15:47:17 10/29/2025 Regional Mark Information System PAGE 1 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM TAG CODE 060024 2024 Ocean Sport -ODFW 1 3 1 542 TOTALS FOR YEAR: 1 3 1 542 GRAND TOTALS: 1 3 1 542 TAG CODE 060372 2014 Freshwater Sport -CDFW 1 26 1 660 Hake Trawl Fishery, At-Sea componen-NMFS 2 6 2 485 Hatchery -CDFW 11 11 11 578 Ocean Sport -CDFW 4 11 4 610 Ocean Troll (non-treaty) -CDFW 1 3 1 748 Other -CDFW 5 5 5 564 Spawning Ground -CDFW 16 36 16 634 TOTALS FOR YEAR: 40 97 40 603 2015 Freshwater Sport -CDFW 7 159 7 767 Hatchery -CDFW 149 154 149 786 Limited-Entry Non-Hake Groundfish T-NMFS 2 4 2 665 Ocean Sport -CDFO 1 6 Ocean Sport -CDFW 33 109 33 672 Ocean Troll (non-treaty) -CDFO 1 3 1 670 Ocean Troll (non-treaty) -CDFW 81 268 81 693 Ocean Troll (non-treaty) -ODFW 20 56 20 696 Ocean Troll (non-treaty) -WDFW 4 8 4 697 Spawning Ground -CDFW 79 204 79 758 Sport (charter) -WDFW 1 3 1 700 Sport (private) -WDFW 2 4 2 640 Treaty Troll -WDFW 2 5 2 615 TOTALS FOR YEAR: 382 982 381 742 2016 Hake Trawl Fishery, Shoreside compo-NMFSNWR 1 1 1 920 Hatchery -CDFW 83 83 83 892 Hatchery -USFWS 1 1 1 740 Ocean Sport -CDFW 4 20 4 855 Ocean Troll (non-treaty) -CDFO 1 2 1 795 Ocean Troll (non-treaty) -CDFW 13 52 13 782 Ocean Troll (non-treaty) -ODFW 15 39 15 808 Other -CDFW 3 3 3 900 Spawning Ground -CDFW 31 91 31 822 TOTALS FOR YEAR: 152 291 152 858 2017 Hatchery -CDFW 4 4 4 833 Spawning Ground -CDFW 3 10 3 890 TOTALS FOR YEAR: 7 14 7 857 GRAND TOTALS: 581 1385 580 764 TAG CODE 060396 2014 Estuary Sport -ODFW 1 1 1 790 Freshwater Sport -CDFW 2 52 2 749 15:47:17 10/29/2025 Regional Mark Information System PAGE 2 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM Hake Trawl Fishery, Shoreside compo-NMFSNWR 1 1 740 Hatchery -CDFW 207 211 207 795 Ocean Sport -CDFW 67 224 67 709 Ocean Sport -ODFW 10 32 10 735 Ocean Troll (non-treaty) -CDFW 235 590 235 705 Ocean Troll (non-treaty) -ODFW 106 252 106 704 Ocean Troll (non-treaty) -WDFW 3 10 3 740 Other -CDFW 3 3 3 703 Spawning Ground -CDFW 118 281 118 794 Sport (charter) -WDFW 3 8 3 686 Sport (private) -WDFW 2 8 2 675 Treaty Troll -WDFW 1 2 1 600 TOTALS FOR YEAR: 759 1675 759 744 2015 Freshwater Sport -CDFW 2 34 2 858 Hatchery -CDFW 69 71 69 885 Limited-Entry Non-Hake Groundfish T-NMFS 1 2 1 630 Ocean Sport -CDFW 6 21 6 844 Ocean Sport -ODFW 1 2 1 775 Ocean Troll (non-treaty) -CDFW 35 108 35 770 Ocean Troll (non-treaty) -ODFW 48 155 48 760 Ocean Troll (non-treaty) -WDFW 5 7 5 762 Spawning Ground -CDFW 49 139 49 877 Treaty Troll -WDFW 2 6 2 770 TOTALS FOR YEAR: 218 545 218 830 2016 Spawning Ground -CDFW 6 13 6 821 TOTALS FOR YEAR: 6 13 6 821 GRAND TOTALS: 983 2234 983 764 TAG CODE 060423 2014 Columbia River Gillnet -ODFW 1 2 1 775 Freshwater Sport -CDFW 20 517 20 783 Hake Trawl Fishery, Shoreside compo-NMFSNWR 2 2 685 Hatchery -CDFW 277 283 277 809 Ocean Sport -CDFO 1 9 Ocean Sport -CDFW 80 284 78 732 Ocean Sport -ODFW 36 111 36 756 Ocean Troll (non-treaty) -CDFW 319 824 319 734 Ocean Troll (non-treaty) -ODFW 239 642 239 726 Ocean Troll (non-treaty) -WDFW 9 17 9 704 Other -CDFW 10 10 10 725 Spawning Ground -CDFW 257 573 256 806 Sport (charter) -WDFW 1 2 1 750 Sport (private) -WDFW 3 9 3 686 Treaty Troll -WDFW 6 10 6 648 TOTALS FOR YEAR: 1261 3293 1257 764 2015 Freshwater Sport -CDFW 2 42 2 882 Hake Trawl Fishery, Shoreside compo-NMFSNWR 1 1 1 860 Hatchery -CDFW 64 67 64 868 15:47:17 10/29/2025 Regional Mark Information System PAGE 3 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM Ocean Sport -CDFO 2 12 1 830 Ocean Sport -CDFW 3 12 3 865 Ocean Troll - Day Boat -ADFG 1 2 Ocean Troll (non-treaty) -CDFW 13 42 13 814 Ocean Troll (non-treaty) -ODFW 32 96 32 773 Ocean Troll (non-treaty) -WDFW 3 6 3 783 Other -CDFW 1 1 1 940 Spawning Ground -CDFW 44 132 44 876 Sport (private) -WDFW 1 2 1 770 TOTALS FOR YEAR: 167 414 165 845 GRAND TOTALS: 1428 3707 1422 773 TAG CODE 060424 2014 Freshwater Sport -CDFW 4 104 4 827 Hake Trawl Fishery, Shoreside compo-NMFSNWR 1 1 590 Hatchery -CDFW 123 125 123 814 Ocean Sport -CDFW 28 97 28 722 Ocean Sport -ODFW 16 44 15 759 Ocean Troll (non-treaty) -CDFO 1 Ocean Troll (non-treaty) -CDFW 113 300 113 728 Ocean Troll (non-treaty) -ODFW 105 242 105 725 Ocean Troll (non-treaty) -WDFW 3 5 3 750 Other -CDFW 5 5 5 764 Spawning Ground -CDFW 98 219 98 823 Sport (private) -WDFW 2 10 2 760 Treaty Troll -WDFW 2 4 2 660 TOTALS FOR YEAR: 501 1155 499 769 2015 Freshwater Sport -CDFW 1 21 1 880 Hake Trawl Fishery, Shoreside compo-NMFSNWR 1 1 1 780 Hatchery -CDFW 35 36 35 877 Ocean Sport -CDFW 1 4 1 841 Ocean Troll (non-treaty) -CDFW 8 22 8 768 Ocean Troll (non-treaty) -ODFW 14 44 14 773 Ocean Troll (non-treaty) -WDFW 2 3 2 760 Spawning Ground -CDFW 38 88 37 887 Sport (charter) -WDFW 1 2 1 760 TOTALS FOR YEAR: 101 221 100 853 GRAND TOTALS: 602 1376 599 783 TAG CODE 060425 2014 Hatchery -CDFW 37 38 37 796 Ocean Sport -CDFW 9 31 9 728 Ocean Sport -ODFW 5 16 5 751 Ocean Troll (non-treaty) -CDFW 40 102 40 712 Ocean Troll (non-treaty) -ODFW 35 83 35 709 Spawning Ground -CDFW 40 89 40 800 TOTALS FOR YEAR: 166 359 166 753 15:47:17 10/29/2025 Regional Mark Information System PAGE 4 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM 2015 Hake Trawl Fishery, Shoreside compo-NMFSNWR 2 2 2 800 Hatchery -CDFW 26 27 26 880 Ocean Sport -CDFW 1 2 1 780 Ocean Troll (non-treaty) -CDFW 2 5 2 767 Ocean Troll (non-treaty) -ODFW 6 23 6 796 Ocean Troll (non-treaty) -WDFW 1 3 1 800 Spawning Ground -CDFW 20 75 20 922 TOTALS FOR YEAR: 58 137 58 876 2016 Spawning Ground -CDFW 3 8 3 860 TOTALS FOR YEAR: 3 8 3 860 GRAND TOTALS: 227 504 227 786 TAG CODE 060426 2014 Freshwater Sport -CDFW 6 152 6 796 Hake Trawl Fishery, Shoreside compo-NMFSNWR 2 2 635 Hatchery -CDFW 127 129 127 794 Ocean Sport -CDFW 42 147 42 693 Ocean Sport -ODFW 11 35 11 708 Ocean Troll (non-treaty) -CDFW 147 376 147 704 Ocean Troll (non-treaty) -ODFW 89 248 88 705 Ocean Troll (non-treaty) -WDFW 2 4 2 695 Other -CDFW 3 3 3 766 Spawning Ground -CDFW 107 239 107 807 TOTALS FOR YEAR: 536 1333 535 746 2015 Freshwater Sport -CDFW 4 90 4 892 Hatchery -CDFW 57 59 57 866 Ocean Sport -CDFW 7 30 7 792 Ocean Sport -ODFW 2 5 2 793 Ocean Troll (non-treaty) -CDFW 46 144 45 773 Ocean Troll (non-treaty) -ODFW 41 134 41 772 Ocean Troll (non-treaty) -WDFW 5 9 5 814 Other -CDFW 1 1 1 940 Spawning Ground -CDFW 54 129 53 890 Treaty Troll -WDFW 1 1 1 830 TOTALS FOR YEAR: 218 601 216 831 2016 Ocean Troll (non-treaty) -ODFW 1 3 1 910 Spawning Ground -CDFW 12 27 12 872 TOTALS FOR YEAR: 13 30 13 875 2017 Hatchery -CDFW 2 2 2 860 TOTALS FOR YEAR: 2 2 2 860 GRAND TOTALS: 769 1965 766 773 TAG CODE 060461 2022 Freshwater Sport -CDFW 1 20 1 664 Hatchery -CDFW 62 62 62 646 15:47:17 10/29/2025 Regional Mark Information System PAGE 5 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM Ocean Sport -CDFW 19 95 19 531 Ocean Troll (non-treaty) -CDFW 3 11 3 624 Spawning Ground -CDFW 11 46 11 642 TOTALS FOR YEAR: 96 235 96 623 2023 Hake Trawl Fishery, At-Sea componen-NMFS 1 2 1 500 Hatchery -CDFW 385 385 385 835 Ocean Troll (non-treaty) -WDFW 2 4 2 755 Spawning Ground -CDFW 331 1679 331 862 Sport (private) -WDFW 1 2 1 600 TOTALS FOR YEAR: 720 2073 720 847 2024 Hatchery -CDFW 2 2 2 835 Ocean Troll (non-treaty) -CDFO 1 2 1 811 Ocean Troll (non-treaty) -ODFW 13 43 13 834 Spawning Ground -CDFW 6 16 6 871 TOTALS FOR YEAR: 22 63 22 843 GRAND TOTALS: 838 2371 838 821 TAG CODE 060474 2014 Freshwater Sport -CDFW 4 104 4 640 Hake Trawl Fishery, At-Sea componen-NMFS 2 6 2 495 Hatchery -CDFW 49 50 49 631 Ocean Sport -CDFW 10 35 10 573 Ocean Troll (non-treaty) -CDFW 7 18 7 632 Other -CDFW 9 9 9 586 Spawning Ground -CDFW 44 108 44 642 TOTALS FOR YEAR: 125 330 125 625 2015 Freshwater Sport -CDFW 6 125 6 672 Hake Trawl Fishery, Shoreside compo-NMFSNWR 2 2 2 675 Hatchery -CDFW 244 253 244 774 Hatchery -USFWS 2 2 2 790 Ocean Sport -CDFW 15 53 15 708 Ocean Sport -WDFW 1 0 1 730 Ocean Troll (non-treaty) -CDFW 85 268 85 700 Ocean Troll (non-treaty) -ODFW 27 77 27 708 Ocean Troll (non-treaty) -WDFW 3 6 3 676 Other -CDFW 1 1 1 640 Spawning Ground -CDFW 139 340 138 786 Sport (private) -WDFW 2 5 2 610 State-Permitted Nearshore Grndfish -NMFS 1 4 1 570 Treaty Troll -WDFW 6 12 6 640 TOTALS FOR YEAR: 534 1149 533 755 2016 Hatchery -CDFW 58 58 58 890 Limited-Entry Non-Hake Groundfish T-NMFS 1 18 1 680 Ocean Sport -CDFW 2 8 2 777 Ocean Troll (non-treaty) -CDFW 7 26 7 780 Ocean Troll (non-treaty) -ODFW 7 16 7 791 Ocean Troll (non-treaty) -WDFW 2 3 2 450 15:47:17 10/29/2025 Regional Mark Information System PAGE 6 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM Other -CDFW 2 2 2 820 Spawning Ground -CDFW 23 69 23 868 TOTALS FOR YEAR: 102 200 102 856 2017 Spawning Ground -CDFW 1 3 1 800 TOTALS FOR YEAR: 1 3 1 800 2018 Ocean Troll (non-treaty) -ODFW 1 1 1 861 TOTALS FOR YEAR: 1 1 1 861 GRAND TOTALS: 763 1684 762 748 TAG CODE 060475 2014 Freshwater Sport -CDFW 1 26 1 606 Hatchery -CDFW 19 19 19 643 Ocean Sport -CDFW 7 21 7 564 Other -CDFW 10 10 10 601 Spawning Ground -CDFW 17 38 17 648 TOTALS FOR YEAR: 54 114 54 626 2015 Hatchery -CDFW 180 187 180 782 Ocean Sport -CDFW 13 42 13 687 Ocean Sport -ODFW 1 2 1 755 Ocean Troll (non-treaty) -CDFO 3 6 3 631 Ocean Troll (non-treaty) -CDFW 69 220 69 692 Ocean Troll (non-treaty) -ODFW 18 57 18 700 Ocean Troll (non-treaty) -WDFW 2 3 2 655 Spawning Ground -CDFW 100 264 100 778 Sport (charter) -WDFW 1 1 1 650 Treaty Troll -WDFW 4 8 4 655 TOTALS FOR YEAR: 391 790 391 755 2016 Freshwater Sport -CDFW 1 32 1 926 Hatchery -CDFW 56 56 56 890 Ocean Sport -CDFW 1 5 1 880 Ocean Troll (non-treaty) -CDFW 4 12 4 732 Ocean Troll (non-treaty) -ODFW 22 59 22 803 Ocean Troll (non-treaty) -WDFW 2 4 2 800 Spawning Ground -CDFW 22 62 22 830 TOTALS FOR YEAR: 108 230 108 852 2017 Hatchery -CDFW 3 3 3 846 TOTALS FOR YEAR: 3 3 3 846 GRAND TOTALS: 556 1137 556 762 TAG CODE 060476 2014 Freshwater Sport -CDFW 1 26 1 550 Hake Trawl Fishery, At-Sea componen-NMFS 1 3 1 480 Hatchery -CDFW 26 27 26 645 Ocean Sport -CDFW 9 30 9 574 15:47:17 10/29/2025 Regional Mark Information System PAGE 7 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM Ocean Troll (non-treaty) -CDFW 3 10 3 660 Other -CDFW 6 6 6 610 Spawning Ground -CDFW 27 60 27 652 TOTALS FOR YEAR: 73 161 73 633 2015 Freshwater Sport -CDFW 2 42 2 774 Hatchery -CDFW 151 157 151 783 Ocean Sport -CDFW 18 64 18 710 Ocean Troll (non-treaty) -CDFO 1 3 1 675 Ocean Troll (non-treaty) -CDFW 55 190 55 706 Ocean Troll (non-treaty) -ODFW 13 52 13 695 Ocean Troll (non-treaty) -WDFW 4 7 4 692 Other -CDFW 4 4 4 725 Spawning Ground -CDFW 79 184 79 778 Treaty Troll -WDFW 4 8 4 597 TOTALS FOR YEAR: 331 711 331 757 2016 Hatchery -CDFW 32 32 32 891 Ocean Troll (non-treaty) -CDFW 5 17 5 771 Ocean Troll (non-treaty) -ODFW 15 35 15 823 Ocean Troll (non-treaty) -WDFW 1 1 1 820 Other -CDFW 2 2 2 895 Spawning Ground -CDFW 21 61 21 804 TOTALS FOR YEAR: 76 148 76 845 GRAND TOTALS: 480 1020 480 752 TAG CODE 060575 2015 Hatchery -CDFW 8 8 8 573 Ocean Sport -CDFW 2 6 2 598 Other -CDFW 1 1 1 540 Spawning Ground -CDFW 3 11 3 550 TOTALS FOR YEAR: 14 26 14 569 2016 Hatchery -CDFW 46 46 46 745 Ocean Sport -CDFW 5 18 5 631 Ocean Troll (non-treaty) -CDFW 10 43 10 678 Ocean Troll (non-treaty) -ODFW 4 12 4 729 Ocean Troll (non-treaty) -WDFW 1 2 1 760 Other -CDFW 2 2 2 790 Spawning Ground -CDFW 3 9 3 716 TOTALS FOR YEAR: 71 132 71 727 2017 Hatchery -CDFW 9 9 9 811 Ocean Sport -CDFW 1 3 1 831 Ocean Troll (non-treaty) -CDFW 1 5 1 778 Spawning Ground -CDFW 1 3 1 680 TOTALS FOR YEAR: 12 20 12 799 2018 Ocean Troll (non-treaty) -ODFW 1 2 1 750 Spawning Ground -CDFW 1 3 1 790 15:47:17 10/29/2025 Regional Mark Information System PAGE 8 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM TOTALS FOR YEAR: 2 5 2 770 GRAND TOTALS: 99 183 99 714 TAG CODE 060579 2015 Freshwater Sport -CDFW 2 48 2 559 Hatchery -CDFW 149 153 149 584 Ocean Sport -CDFW 21 71 21 523 Ocean Troll (non-treaty) -CDFW 1 5 1 645 Other -CDFW 14 15 14 549 Spawning Ground -CDFW 39 117 39 595 TOTALS FOR YEAR: 226 409 226 578 2016 Freshwater Sport -CDFW 5 161 5 733 Hake Trawl Fishery, Shoreside compo-NMFSNWR 1 1 1 820 Hatchery -CDFW 369 369 369 775 Ocean Sport -CDFO 1 4 1 810 Ocean Sport -CDFW 38 163 38 706 Ocean Troll (non-treaty) -CDFO 3 9 3 677 Ocean Troll (non-treaty) -CDFW 63 253 63 699 Ocean Troll (non-treaty) -ODFW 31 77 31 707 Ocean Troll (non-treaty) -WDFW 8 13 8 693 Other -CDFW 7 7 7 777 Spawning Ground -CDFW 37 132 37 754 Sport (charter) -WDFW 3 7 3 770 Sport (private) -WDFW 1 5 1 800 Treaty Troll -WDFW 4 9 4 677 TOTALS FOR YEAR: 571 1208 571 755 2017 Freshwater Sport -CDFW 2 38 2 811 Hatchery -CDFW 46 46 46 836 Ocean Sport -CDFW 8 28 8 827 Ocean Troll (non-treaty) -CDFW 3 13 3 825 Ocean Troll (non-treaty) -ODFW 2 9 2 823 Ocean Troll (non-treaty) -WDFW 1 1 1 650 Spawning Ground -CDFW 3 10 3 796 Treaty Troll -WDFW 1 1 1 780 TOTALS FOR YEAR: 66 147 66 828 2018 Ocean Troll (non-treaty) -ODFW 1 1 1 865 TOTALS FOR YEAR: 1 1 1 865 GRAND TOTALS: 864 1765 864 714 TAG CODE 060580 2015 Freshwater Sport -CDFW 13 301 13 605 Hake Trawl Fishery, Shoreside compo-NMFSNWR 1 1 1 530 Hatchery -CDFW 222 228 222 592 Ocean Sport -CDFW 56 172 56 531 Other -CDFW 54 56 54 563 Spawning Ground -CDFW 57 166 57 603 15:47:17 10/29/2025 Regional Mark Information System PAGE 9 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM Sport (charter) -WDFW 2 4 2 580 Sport (private) -WDFW 1 3 1 590 State-Permitted Nearshore Grndfish -NMFS 1 4 1 420 TOTALS FOR YEAR: 407 935 407 581 2016 Freshwater Sport -CDFW 11 338 11 768 Hatchery -CDFW 537 537 537 781 Hatchery -USFWS 1 1 1 700 Limited-Entry Non-Hake Groundfish T-NMFSNWR 1 1 1 740 Ocean Sport -CDFO 3 33 1 860 Ocean Sport -CDFW 60 232 60 717 Ocean Sport -ODFW 2 4 2 623 Ocean Troll (non-treaty) -CDFO 3 9 3 684 Ocean Troll (non-treaty) -CDFW 127 501 127 714 Ocean Troll (non-treaty) -ODFW 88 249 88 720 Ocean Troll (non-treaty) -WDFW 18 32 18 733 Other -CDFW 19 19 19 720 Other Aboriginal -CDFO 1 2 1 730 Spawning Ground -CDFW 68 241 68 770 Sport (charter) -WDFW 5 11 5 728 Sport (private) -WDFW 6 27 6 728 Treaty Troll -WDFW 2 4 2 695 TOTALS FOR YEAR: 952 2240 950 757 2017 Hake Trawl Fishery, Shoreside compo-NMFSNWR 1 1 1 820 Hatchery -CDFW 42 42 42 851 Ocean Sport -CDFW 2 10 2 760 Ocean Troll (non-treaty) -CDFO 1 4 1 790 Ocean Troll (non-treaty) -CDFW 3 9 3 809 Ocean Troll (non-treaty) -ODFW 3 13 3 764 Ocean Troll (non-treaty) -WDFW 1 2 1 730 Spawning Ground -CDFW 8 27 8 838 TOTALS FOR YEAR: 61 108 61 836 GRAND TOTALS: 1420 3282 1418 710 TAG CODE 060581 2015 Freshwater Sport -CDFW 7 151 7 607 Hake Trawl Fishery, Shoreside compo-NMFSNWR 2 2 2 520 Hatchery -CDFW 168 172 168 597 Ocean Sport -CDFW 42 143 42 546 Ocean Sport -ODFW 1 3 1 562 Ocean Troll (non-treaty) -CDFW 1 5 1 605 Other -CDFW 39 41 39 576 Spawning Ground -CDFW 30 78 29 615 Sport (charter) -WDFW 2 6 2 585 Sport (private) -WDFW 1 2 1 570 TOTALS FOR YEAR: 293 602 292 588 2016 Freshwater Sport -CDFW 10 308 10 764 Hatchery -CDFW 295 295 295 790 Ocean Sport -CDFO 2 29 15:47:17 10/29/2025 Regional Mark Information System PAGE 10 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM Ocean Sport -CDFW 27 98 27 707 Ocean Sport -ODFW 2 4 2 767 Ocean Troll (non-treaty) -CDFO 3 10 3 717 Ocean Troll (non-treaty) -CDFW 62 239 62 698 Ocean Troll (non-treaty) -ODFW 58 169 58 725 Ocean Troll (non-treaty) -WDFW 27 43 25 708 Other -CDFW 16 16 16 743 Spawning Ground -CDFW 50 195 48 793 Sport (charter) -WDFW 1 2 1 730 Sport (private) -WDFW 3 10 3 736 Treaty Troll -WDFW 2 5 2 615 TOTALS FOR YEAR: 558 1423 552 762 2017 Hatchery -CDFW 17 17 17 855 Ocean Sport -CDFW 1 4 1 821 Ocean Troll (non-treaty) -CDFW 1 2 1 782 Ocean Troll (non-treaty) -ODFW 2 9 2 770 Ocean Troll (non-treaty) -WDFW 1 2 1 750 Spawning Ground -CDFW 1 7 1 810 TOTALS FOR YEAR: 23 41 23 836 GRAND TOTALS: 874 2065 867 705 TAG CODE 060663 2015 Hatchery -CDFW 3 3 3 313 TOTALS FOR YEAR: 3 3 3 313 2016 Freshwater Sport -CDFW 10 319 10 621 Hatchery -CDFW 139 139 139 624 Ocean Sport -CDFW 11 42 11 570 Ocean Troll (non-treaty) -CDFW 3 13 3 617 Other -CDFW 18 18 18 608 Spawning Ground -CDFW 23 85 23 619 Sport (charter) -WDFW 1 2 1 610 TOTALS FOR YEAR: 205 618 205 619 2017 Freshwater Sport -CDFW 3 62 3 702 Hatchery -CDFW 173 173 173 754 Ocean Sport -CDFW 33 138 33 728 Ocean Sport -ODFW 3 16 3 655 Ocean Troll (non-treaty) -CDFO 2 7 2 652 Ocean Troll (non-treaty) -CDFW 30 98 30 731 Ocean Troll (non-treaty) -ODFW 7 40 7 699 Ocean Troll (non-treaty) -WDFW 12 22 12 684 Other -CDFW 10 10 10 734 Spawning Ground -CDFW 21 121 21 730 Sport (charter) -WDFW 3 5 3 643 Sport (private) -WDFW 1 2 1 780 Treaty Troll -WDFW 2 4 2 600 TOTALS FOR YEAR: 300 700 300 738 2018 Hatchery -CDFW 1 1 1 895 15:47:17 10/29/2025 Regional Mark Information System PAGE 11 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM Ocean Troll (non-treaty) -CDFW 1 3 1 768 Other -CDFW 3 3 3 866 Spawning Ground -CDFW 2 6 2 760 Sport (charter) -WDFW 1 1 1 760 TOTALS FOR YEAR: 8 14 8 817 GRAND TOTALS: 516 1335 516 689 TAG CODE 060664 2015 Juvenile Sampling - Trawl (freshwat-USFWS 1 1 86 TOTALS FOR YEAR: 1 1 86 2016 Estuary Sport -ODFW 1 1 1 546 Freshwater Sport -CDFW 3 95 3 609 Hatchery -CDFW 117 117 117 619 Limited-Entry Non-Hake Groundfish T-NMFSNWR 1 1 1 560 Ocean Sport -CDFW 16 59 16 569 Ocean Troll (non-treaty) -CDFW 4 14 4 670 Other -CDFW 11 11 11 605 Spawning Ground -CDFW 22 73 22 633 State-Permitted Nearshore Grndfish -NMFS 1 4 1 560 TOTALS FOR YEAR: 176 375 176 615 2017 Estuary Sport -ODFW 2 2 2 740 Hake Trawl Fishery, Shoreside compo-NMFSNWR 1 1 1 670 Hatchery -CDFW 191 191 191 777 Ocean Sport -CDFW 30 119 29 738 Ocean Troll (non-treaty) -CDFO 2 7 2 764 Ocean Troll (non-treaty) -CDFW 48 155 48 735 Ocean Troll (non-treaty) -ODFW 1 11 1 705 Ocean Troll (non-treaty) -WDFW 11 25 11 694 Other -CDFW 2 2 2 740 Spawning Ground -CDFW 21 126 21 783 Treaty Troll -WDFW 1 1 1 690 TOTALS FOR YEAR: 310 640 309 763 2018 Hatchery -CDFW 2 2 2 930 Ocean Troll (non-treaty) -CDFW 1 3 1 934 Spawning Ground -CDFW 2 7 2 835 Treaty Troll -WDFW 1 2 1 680 TOTALS FOR YEAR: 6 14 6 857 GRAND TOTALS: 493 1029 492 710 TAG CODE 060665 2015 Juvenile Sampling - Trawl (freshwat-USFWS 1 1 84 TOTALS FOR YEAR: 1 1 84 2016 Freshwater Sport -CDFW 1 32 1 558 Hake Trawl Fishery, At-Sea componen-NMFS 1 2 1 570 Hatchery -CDFW 158 158 158 628 15:47:17 10/29/2025 Regional Mark Information System PAGE 12 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM Ocean Sport -CDFW 33 118 33 570 Ocean Troll (non-treaty) -CDFW 4 16 4 624 Other -CDFW 9 9 9 636 Spawning Ground -CDFW 28 95 28 643 State-Permitted Nearshore Grndfish -NMFS 2 8 2 500 TOTALS FOR YEAR: 236 437 236 620 2017 Freshwater Sport -CDFW 9 217 9 758 Hake Trawl Fishery, At-Sea componen-NMFS 1 2 1 840 Hatchery -CDFW 326 326 326 787 Limited-Entry Non-Hake Groundfish T-NMFSNWR 1 1 1 680 Ocean Sport -CDFW 39 150 39 734 Ocean Sport -ODFW 1 4 1 675 Ocean Troll (non-treaty) -CDFO 1 4 1 696 Ocean Troll (non-treaty) -CDFW 70 222 70 736 Ocean Troll (non-treaty) -ODFW 1 3 1 694 Ocean Troll (non-treaty) -WDFW 11 21 10 679 Other -CDFW 5 5 5 800 Spawning Ground -CDFW 31 243 31 776 Sport (charter) -WDFW 2 5 2 685 Sport (private) -WDFW 3 12 3 663 State-Permitted Nearshore Grndfish -NMFS 1 4 1 560 Treaty Troll -WDFW 2 3 2 695 TOTALS FOR YEAR: 504 1221 503 770 2018 Hatchery -CDFW 6 6 6 865 Ocean Sport -CDFW 1 5 1 958 Other -CDFW 1 1 1 700 Spawning Ground -CDFW 7 20 6 811 TOTALS FOR YEAR: 15 32 14 837 GRAND TOTALS: 756 1691 754 723 TAG CODE 060666 2016 Freshwater Sport -CDFW 6 169 6 619 Hatchery -CDFW 222 222 222 626 Ocean Sport -CDFW 40 145 40 557 Ocean Troll (non-treaty) -CDFW 8 33 8 630 Other -CDFW 15 15 15 603 Spawning Ground -CDFW 14 48 14 620 Sport (private) -WDFW 1 2 1 610 TOTALS FOR YEAR: 306 634 306 615 2017 Freshwater Sport -CDFW 12 298 12 764 Hatchery -CDFW 432 432 432 786 Hatchery -USFWS 1 1 1 760 Ocean Sport -CDFW 48 187 48 714 Ocean Sport -ODFW 2 5 2 707 Ocean Troll (non-treaty) -CDFO 2 7 2 661 Ocean Troll (non-treaty) -CDFW 122 385 122 740 Ocean Troll (non-treaty) -ODFW 8 53 8 722 Ocean Troll (non-treaty) -WDFW 10 19 10 687 15:47:17 10/29/2025 Regional Mark Information System PAGE 13 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM Other -CDFW 5 5 5 694 Spawning Ground -CDFW 37 246 37 773 Sport (charter) -WDFW 1 2 1 630 Sport (private) -WDFW 2 8 2 670 Treaty Troll -WDFW 2 3 2 655 TOTALS FOR YEAR: 684 1651 684 767 2018 Hatchery -CDFW 8 8 8 833 Ocean Troll (non-treaty) -CDFW 1 3 1 710 Ocean Troll (non-treaty) -ODFW 1 2 1 872 Spawning Ground -CDFW 10 32 10 785 TOTALS FOR YEAR: 20 45 20 804 2019 Ocean Troll (non-treaty) -ODFW 1 3 1 814 Spawning Ground -CDFW 1 2 1 850 TOTALS FOR YEAR: 2 5 2 832 GRAND TOTALS: 1012 2335 1012 722 TAG CODE 060667 2016 Freshwater Sport -CDFW 1 33 1 585 Hatchery -CDFW 86 86 86 615 Ocean Sport -CDFW 12 43 12 565 Ocean Troll (non-treaty) -CDFW 1 5 1 655 Other -CDFW 2 2 2 615 Spawning Ground -CDFW 6 29 6 625 State-Permitted Nearshore Grndfish -NMFS 2 8 2 500 TOTALS FOR YEAR: 110 205 110 608 2017 Freshwater Sport -CDFW 3 73 3 763 Hatchery -CDFW 166 166 166 772 Hatchery -USFWS 1 1 1 760 Ocean Sport -CDFO 1 11 1 580 Ocean Sport -CDFW 16 59 16 712 Ocean Troll (non-treaty) -CDFO 1 4 1 676 Ocean Troll (non-treaty) -CDFW 34 117 34 712 Ocean Troll (non-treaty) -ODFW 3 8 3 707 Ocean Troll (non-treaty) -WDFW 1 2 1 680 Spawning Ground -CDFW 6 20 6 806 Treaty Troll -WDFW 1 1 1 650 TOTALS FOR YEAR: 233 461 233 757 2018 Hatchery -CDFW 4 4 4 886 Ocean Troll (non-treaty) -ODFW 1 1 1 792 Other -CDFW 1 1 1 870 Spawning Ground -CDFW 6 20 6 796 TOTALS FOR YEAR: 12 26 12 832 GRAND TOTALS: 355 692 355 713 TAG CODE 060668 15:47:17 10/29/2025 Regional Mark Information System PAGE 14 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM 2016 Hatchery -CDFW 31 31 31 594 Ocean Sport -CDFW 6 22 6 568 Other -CDFW 2 2 2 580 Spawning Ground -CDFW 2 7 2 630 TOTALS FOR YEAR: 41 62 41 591 2017 Freshwater Sport -CDFW 4 106 4 783 Hatchery -CDFW 61 61 61 761 Ocean Sport -CDFW 13 58 13 692 Ocean Troll (non-treaty) -CDFW 21 72 21 718 Ocean Troll (non-treaty) -ODFW 1 4 1 780 Other -CDFW 1 1 1 800 Spawning Ground -CDFW 3 22 3 756 TOTALS FOR YEAR: 104 323 104 745 2018 Hatchery -CDFW 5 5 5 869 Ocean Troll (non-treaty) -CDFW 1 3 1 884 Spawning Ground -CDFW 7 23 7 775 TOTALS FOR YEAR: 13 31 13 820 2019 Hatchery -CDFW 1 1 1 890 Spawning Ground -CDFW 1 2 1 940 TOTALS FOR YEAR: 2 3 2 915 GRAND TOTALS: 160 419 160 714 TAG CODE 060728 2021 Hatchery -CDFW 17 17 17 619 Ocean Sport -CDFW 5 17 5 587 Ocean Troll (non-treaty) -CDFW 1 5 1 634 Spawning Ground -CDFW 2 8 2 600 TOTALS FOR YEAR: 25 47 25 612 2022 Hake Trawl Fishery, At-Sea componen-NMFS 1 3 1 930 Hatchery -CDFW 12 12 12 788 Ocean Sport -CDFW 12 53 12 724 Ocean Troll (non-treaty) -CDFW 31 109 30 708 Ocean Troll (non-treaty) -ODFW 4 7 4 750 Ocean Troll (non-treaty) -WDFW 1 2 1 770 Spawning Ground -CDFW 9 43 9 832 TOTALS FOR YEAR: 70 228 69 747 2023 Hatchery -CDFW 3 3 3 958 TOTALS FOR YEAR: 3 3 3 958 GRAND TOTALS: 98 278 97 719 TAG CODE 060748 2017 Freshwater Sport -CDFW 5 140 5 651 Hatchery -CDFW 86 86 86 625 Ocean Sport -CDFW 37 139 37 573 15:47:17 10/29/2025 Regional Mark Information System PAGE 15 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM Ocean Troll (non-treaty) -CDFW 2 7 2 603 Other -CDFW 3 3 3 583 Spawning Ground -CDFW 5 27 5 594 TOTALS FOR YEAR: 138 402 138 610 2018 Freshwater Sport -CDFW 4 69 4 721 Hatchery -CDFW 183 183 183 839 Ocean Sport -CDFW 38 138 38 747 Ocean Sport -ODFW 3 8 3 714 Ocean Troll (non-treaty) -CDFW 164 502 164 747 Ocean Troll (non-treaty) -ODFW 8 13 8 712 Ocean Troll (non-treaty) -WDFW 2 3 2 715 Other -CDFW 36 36 36 791 Spawning Ground -CDFW 91 220 91 799 TOTALS FOR YEAR: 529 1172 529 790 2019 Freshwater Sport -CDFW 1 27 1 770 Hatchery -CDFW 3 3 3 818 Ocean Troll (non-treaty) -CDFW 3 9 3 698 Ocean Troll (non-treaty) -ODFW 5 11 5 792 Spawning Ground -CDFW 7 14 7 810 TOTALS FOR YEAR: 19 65 19 787 GRAND TOTALS: 686 1640 686 753 TAG CODE 060749 2016 Juvenile Sampling - Trawl (freshwat-USFWS 5 5 87 TOTALS FOR YEAR: 5 5 87 2017 Freshwater Sport -CDFW 1 24 1 642 Hatchery -CDFW 12 12 12 666 Ocean Sport -CDFW 16 63 16 574 Ocean Troll (non-treaty) -CDFW 1 4 1 652 Other -CDFW 4 4 4 627 Spawning Ground -CDFW 7 23 7 617 TOTALS FOR YEAR: 41 129 41 617 2018 Freshwater Sport -CDFW 1 24 1 808 Hatchery -CDFW 35 35 35 857 Ocean Sport -CDFW 11 44 11 771 Ocean Sport -ODFW 1 1 1 665 Ocean Troll (non-treaty) -CDFW 38 123 38 744 Ocean Troll (non-treaty) -ODFW 12 24 12 771 Ocean Troll (non-treaty) -WDFW 1 3 1 700 Other -CDFW 43 43 43 800 Spawning Ground -CDFW 31 72 31 815 TOTALS FOR YEAR: 173 369 173 797 2019 Hatchery -CDFW 1 1 1 895 Ocean Troll (non-treaty) -ODFW 1 6 1 918 Spawning Ground -CDFW 2 4 2 850 15:47:17 10/29/2025 Regional Mark Information System PAGE 16 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM TOTALS FOR YEAR: 4 10 4 878 GRAND TOTALS: 223 509 223 749 TAG CODE 060750 2016 Juvenile Sampling - Trawl (freshwat-USFWS 7 7 82 TOTALS FOR YEAR: 7 7 82 2017 Hatchery -CDFW 5 5 5 688 Ocean Sport -CDFW 7 28 7 560 Spawning Ground -CDFW 2 7 2 685 TOTALS FOR YEAR: 14 40 14 624 2018 Hatchery -CDFW 22 22 22 859 Ocean Troll (non-treaty) -CDFW 17 53 17 741 Ocean Troll (non-treaty) -ODFW 4 9 4 782 Other -CDFW 10 10 10 770 Spawning Ground -CDFW 19 44 19 805 Sport (charter) -WDFW 1 2 1 700 TOTALS FOR YEAR: 73 140 73 799 2019 Ocean Troll (non-treaty) -CDFW 1 2 1 792 TOTALS FOR YEAR: 1 2 1 792 GRAND TOTALS: 95 182 95 720 TAG CODE 060751 2016 Juvenile Sampling - Trawl (freshwat-USFWS 2 2 91 TOTALS FOR YEAR: 2 2 91 2017 Freshwater Sport -CDFW 2 58 2 643 Hatchery -CDFW 7 7 7 672 Ocean Sport -CDFW 10 39 10 591 Ocean Troll (non-treaty) -CDFW 1 3 1 653 Other -CDFW 3 3 3 580 Spawning Ground -CDFW 4 13 4 627 TOTALS FOR YEAR: 27 124 27 622 2018 Hatchery -CDFW 30 30 30 871 Ocean Sport -CDFW 4 16 4 739 Ocean Sport -ODFW 1 2 1 691 Ocean Troll (non-treaty) -CDFW 17 51 17 770 Ocean Troll (non-treaty) -ODFW 1 2 1 762 Other -CDFW 15 15 15 800 Spawning Ground -CDFW 21 49 21 812 Sport (private) -WDFW 1 2 1 680 TOTALS FOR YEAR: 90 167 90 815 2019 Hatchery -CDFW 1 1 1 985 Ocean Troll (non-treaty) -CDFW 2 7 2 815 Spawning Ground -CDFW 1 2 1 660 15:47:17 10/29/2025 Regional Mark Information System PAGE 17 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM TOTALS FOR YEAR: 4 10 4 818 GRAND TOTALS: 123 301 123 761 TAG CODE 060752 2016 Juvenile Sampling - Trawl (freshwat-USFWS 2 2 83 TOTALS FOR YEAR: 2 2 83 2017 Freshwater Sport -CDFW 2 48 2 665 Hatchery -CDFW 10 10 10 667 Ocean Sport -CDFW 9 35 9 554 Other -CDFW 3 3 3 626 Spawning Ground -CDFW 1 3 1 700 TOTALS FOR YEAR: 25 99 25 623 2018 Freshwater Sport -CDFW 2 43 2 839 Hatchery -CDFW 28 28 28 864 Ocean Sport -CDFW 5 19 5 778 Ocean Sport -ODFW 1 3 1 721 Ocean Troll (non-treaty) -CDFW 20 63 20 763 Ocean Troll (non-treaty) -ODFW 1 2 1 728 Other -CDFW 13 13 13 804 Spawning Ground -CDFW 13 30 13 856 TOTALS FOR YEAR: 83 201 83 820 GRAND TOTALS: 110 300 110 762 TAG CODE 060753 2017 Freshwater Sport -CDFW 7 167 7 655 Hatchery -CDFW 172 172 172 646 Hatchery -USFWS 1 1 1 620 Ocean Sport -CDFW 69 266 69 568 Ocean Troll (non-treaty) -CDFW 13 44 13 644 Other -CDFW 12 12 12 611 Spawning Ground -CDFW 18 59 18 648 State-Permitted Nearshore Grndfish -NMFS 1 4 1 410 TOTALS FOR YEAR: 293 726 293 626 2018 Freshwater Sport -CDFW 6 139 6 816 Hatchery -CDFW 306 306 306 842 Ocean Sport -CDFW 49 182 49 740 Ocean Sport -ODFW 3 8 3 721 Ocean Troll (non-treaty) -CDFW 253 778 253 750 Ocean Troll (non-treaty) -ODFW 16 43 16 723 Ocean Troll (non-treaty) -WDFW 2 3 2 700 Other -CDFW 81 81 81 790 Spawning Ground -CDFW 203 527 201 818 Sport (charter) -WDFW 1 1 1 710 TOTALS FOR YEAR: 920 2068 918 798 2019 Hatchery -CDFW 9 9 9 869 15:47:17 10/29/2025 Regional Mark Information System PAGE 18 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM Ocean Sport -CDFW 1 5 1 731 Ocean Troll (non-treaty) -CDFW 13 37 13 767 Ocean Troll (non-treaty) -ODFW 9 20 8 822 Spawning Ground -CDFW 10 21 10 807 TOTALS FOR YEAR: 42 91 41 809 2020 Spawning Ground -CDFW 1 2 1 840 TOTALS FOR YEAR: 1 2 1 840 GRAND TOTALS: 1256 2886 1253 758 TAG CODE 060992 2021 Hatchery -CDFW 4 4 4 649 Ocean Sport -CDFW 2 9 2 599 Ocean Troll (non-treaty) -CDFW 1 3 1 648 Spawning Ground -CDFW 1 4 1 630 TOTALS FOR YEAR: 8 20 8 634 2022 Hatchery -CDFW 9 9 9 783 Ocean Sport -CDFW 5 19 5 657 Ocean Troll (non-treaty) -CDFW 18 57 18 698 Spawning Ground -CDFW 3 23 3 833 TOTALS FOR YEAR: 35 108 35 725 2023 Hatchery -CDFW 3 3 3 768 Spawning Ground -CDFW 1 8 1 890 TOTALS FOR YEAR: 4 11 4 798 GRAND TOTALS: 47 139 47 716 TAG CODE 060997 2017 Juvenile Sampling - Trawl (freshwat-USFWS 136 136 88 TOTALS FOR YEAR: 136 136 88 2018 Hake Trawl Fishery, At-Sea componen-NMFS 1 2 1 500 Hake Trawl Fishery, Shoreside compo-NMFSNWR 1 1 1 640 Hatchery -CDFW 17 17 17 657 Ocean Sport -CDFW 69 247 69 537 Ocean Troll (non-treaty) -CDFW 24 69 24 629 Other -CDFW 68 68 68 648 Spawning Ground -CDFW 47 107 47 654 TOTALS FOR YEAR: 227 511 227 614 2019 Freshwater Sport -CDFW 1 18 1 825 Hatchery -CDFW 145 145 145 807 Limited-Entry Non-Hake Groundfish T-NMFS 1 1 1 520 Ocean Sport -CDFO 1 8 Ocean Sport -CDFW 70 251 69 673 Ocean Sport -ODFW 2 8 2 683 Ocean Troll (non-treaty) -CDFO 2 4 Ocean Troll (non-treaty) -CDFW 332 1038 331 691 15:47:17 10/29/2025 Regional Mark Information System PAGE 19 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM Ocean Troll (non-treaty) -ODFW 27 67 27 723 Ocean Troll (non-treaty) -WDFW 3 3 3 700 Spawning Ground -CDFW 207 389 207 796 Sport (charter) -WDFW 2 3 2 765 Sport (private) -WDFW 1 3 1 690 TOTALS FOR YEAR: 794 1938 789 740 2020 Hatchery -CDFW 17 17 17 880 Ocean Sport -CDFW 3 12 2 789 Ocean Sport -ODFW 2 5 2 826 Ocean Troll (non-treaty) -CDFW 12 43 12 788 Ocean Troll (non-treaty) -ODFW 4 7 4 780 Spawning Ground -CDFW 54 95 54 869 TOTALS FOR YEAR: 92 179 91 854 2021 Spawning Ground -CDFW 1 4 1 880 TOTALS FOR YEAR: 1 4 1 880 GRAND TOTALS: 1250 2633 1244 654 TAG CODE 060998 2017 Juvenile Sampling - Seine (freshwat-USFWS 1 1 78 Juvenile Sampling - Trawl (freshwat-USFWS 767 767 81 TOTALS FOR YEAR: 768 768 81 2018 Estuary Sport -ODFW 1 1 519 Freshwater Sport -CDFW 2 43 2 624 Hatchery -CDFW 27 27 27 641 Ocean Sport -CDFW 39 140 39 536 Ocean Troll (non-treaty) -CDFW 17 51 17 639 Other -CDFW 25 25 25 661 Spawning Ground -CDFW 37 85 36 661 TOTALS FOR YEAR: 148 372 147 620 2019 Freshwater Sport -CDFW 2 44 2 692 Hake Trawl Fishery, At-Sea componen-NMFS 1 2 1 740 Hake Trawl Fishery, Shoreside compo-NMFSNWR 1 1 1 760 Hatchery -CDFW 184 184 184 804 Ocean Sport -CDFW 58 215 58 685 Ocean Sport -ODFW 4 13 4 672 Ocean Troll (non-treaty) -CDFO 1 2 1 553 Ocean Troll (non-treaty) -CDFW 286 904 285 692 Ocean Troll (non-treaty) -ODFW 13 40 13 715 Other Aboriginal -CDFO 1 5 1 590 Spawning Ground -CDFW 192 361 192 803 Sport (private) -WDFW 1 2 1 740 Treaty Troll -WDFW 1 2 1 590 TOTALS FOR YEAR: 745 1775 744 748 2020 Estuary Sport -WDFW 2 10 2 605 Hake Trawl Fishery, At-Sea componen-NMFS 1 2 1 780 Hatchery -CDFW 35 35 35 891 15:47:17 10/29/2025 Regional Mark Information System PAGE 20 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM Ocean Sport -CDFW 3 11 3 898 Ocean Sport -ODFW 2 5 2 839 Ocean Troll (non-treaty) -CDFW 9 31 9 820 Ocean Troll (non-treaty) -ODFW 2 3 2 817 Ocean Troll (non-treaty) -WDFW 1 2 1 830 Spawning Ground -CDFW 53 94 53 885 Treaty Troll -WDFW 1 1 1 730 TOTALS FOR YEAR: 109 195 109 872 2021 Hatchery -CDFW 1 1 1 900 TOTALS FOR YEAR: 1 1 1 900 GRAND TOTALS: 1771 2344 1769 455 TAG CODE 060999 2017 Juvenile Sampling - Trawl (freshwat-USFWS 89 89 84 TOTALS FOR YEAR: 89 89 84 2018 Freshwater Sport -CDFW 1 24 1 607 Hake Trawl Fishery, At-Sea componen-NMFS 1 2 1 480 Hatchery -CDFW 33 33 33 669 Ocean Sport -CDFW 45 163 45 541 Ocean Troll (non-treaty) -CDFW 13 40 13 642 Other -CDFW 37 37 37 648 Spawning Ground -CDFW 49 113 48 661 TOTALS FOR YEAR: 179 412 178 626 2019 Freshwater Sport -CDFW 3 71 3 751 Hatchery -CDFW 186 186 186 805 Ocean Sport -CDFW 75 275 75 676 Ocean Sport -ODFW 4 15 4 728 Ocean Troll (non-treaty) -CDFW 327 1019 327 694 Ocean Troll (non-treaty) -ODFW 12 32 12 723 Ocean Troll (non-treaty) -WDFW 5 8 5 706 Spawning Ground -CDFW 234 448 234 798 Sport (private) -WDFW 1 2 1 670 Treaty Troll -WDFW 3 5 3 666 TOTALS FOR YEAR: 850 2063 850 746 2020 Hatchery -CDFW 31 31 31 888 Ocean Sport -CDFW 6 29 4 815 Ocean Sport -ODFW 1 3 1 880 Ocean Troll (non-treaty) -CDFW 11 53 11 798 Ocean Troll (non-treaty) -ODFW 5 9 5 782 Ocean Troll (non-treaty) -WDFW 2 3 2 705 Spawning Ground -CDFW 58 103 58 894 TOTALS FOR YEAR: 114 233 112 872 2021 Ocean Sport -ODFW 1 3 1 875 Ocean Troll (non-treaty) -ODFW 1 2 1 787 TOTALS FOR YEAR: 2 4 2 831 15:47:17 10/29/2025 Regional Mark Information System PAGE 21 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM GRAND TOTALS: 1234 2711 1231 693 TAG CODE 061201 2017 Juvenile Sampling - Trawl (freshwat-USFWS 737 737 83 TOTALS FOR YEAR: 737 737 83 2018 Freshwater Sport -CDFW 2 39 2 662 Hatchery -CDFW 28 28 28 674 Ocean Sport -CDFW 32 117 32 547 Ocean Troll (non-treaty) -CDFW 14 41 13 643 Other -CDFW 28 28 28 658 Spawning Ground -CDFW 42 97 42 648 TOTALS FOR YEAR: 146 351 145 632 2019 Freshwater Sport -CDFW 2 44 2 749 Hake Trawl Fishery, At-Sea componen-NMFS 1 2 1 550 Hatchery -CDFW 190 190 190 815 Ocean Sport -CDFW 64 234 63 689 Ocean Sport -ODFW 1 3 1 725 Ocean Troll (non-treaty) -CDFW 291 936 290 692 Ocean Troll (non-treaty) -ODFW 12 22 12 756 Ocean Troll (non-treaty) -WDFW 3 4 3 676 Spawning Ground -CDFW 201 378 201 799 Sport (private) -WDFW 1 3 1 570 TOTALS FOR YEAR: 766 1817 764 751 2020 Hatchery -CDFW 22 22 22 889 Ocean Sport -CDFW 1 7 Ocean Sport -ODFW 1 6 1 845 Ocean Troll (non-treaty) -CDFO 1 3 Ocean Troll (non-treaty) -CDFW 11 29 11 805 Ocean Troll (non-treaty) -ODFW 3 8 3 845 Spawning Ground -CDFW 59 105 59 898 TOTALS FOR YEAR: 98 179 96 883 2021 Hake Trawl Fishery, Shoreside compo-NMFSNWR 1 1 1 710 TOTALS FOR YEAR: 1 1 1 710 GRAND TOTALS: 1748 2348 1743 466 TAG CODE 061202 2017 Juvenile Sampling - Trawl (freshwat-USFWS 1 1 82 TOTALS FOR YEAR: 1 1 82 2018 Estuary Sport -ODFW 1 1 515 Freshwater Sport -CDFW 1 24 1 694 Hake Trawl Fishery, At-Sea componen-NMFS 1 2 1 500 Hatchery -CDFW 79 79 79 654 Hatchery -USFWS 1 1 1 610 Ocean Sport -CDFW 90 323 90 532 Ocean Troll (non-treaty) -CDFW 36 105 36 629 15:47:17 10/29/2025 Regional Mark Information System PAGE 22 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM Other -CDFW 27 27 27 641 Spawning Ground -CDFW 77 184 77 662 TOTALS FOR YEAR: 313 746 313 616 2019 Freshwater Sport -CDFW 3 67 3 716 Hatchery -CDFW 438 438 438 797 Ocean Sport -CDFO 1 8 Ocean Sport -CDFW 157 575 156 675 Ocean Sport -ODFW 2 5 2 732 Ocean Troll (non-treaty) -CDFO 2 4 2 588 Ocean Troll (non-treaty) -CDFW 796 2522 786 689 Ocean Troll (non-treaty) -ODFW 24 74 24 719 Ocean Troll (non-treaty) -WDFW 2 3 2 680 Spawning Ground -CDFW 428 839 427 797 Sport (charter) -WDFW 2 2 2 660 Treaty Troll -WDFW 1 2 1 760 TOTALS FOR YEAR: 1856 4537 1843 739 2020 Hatchery -CDFW 59 59 59 890 Ocean Sport -CDFW 10 43 9 847 Ocean Sport -ODFW 1 5 1 791 Ocean Troll (non-treaty) -CDFW 43 161 43 792 Ocean Troll (non-treaty) -ODFW 6 10 6 789 Ocean Troll (non-treaty) -WDFW 1 1 1 820 Spawning Ground -CDFW 186 365 186 875 TOTALS FOR YEAR: 306 643 305 864 GRAND TOTALS: 2476 5927 2462 738 TAG CODE 061203 2017 Juvenile Sampling - Trawl (freshwat-USFWS 1 1 79 TOTALS FOR YEAR: 1 1 79 2018 Freshwater Sport -CDFW 2 43 2 641 Hatchery -CDFW 57 57 57 649 Ocean Sport -CDFW 80 284 80 523 Ocean Sport -ODFW 1 Ocean Troll (non-treaty) -CDFW 19 55 19 624 Other -CDFW 18 18 18 632 Spawning Ground -CDFW 52 138 51 651 TOTALS FOR YEAR: 229 596 227 602 2019 Estuary Sport -WDFW 1 4 1 610 Freshwater Sport -CDFW 7 170 7 740 Hake Trawl Fishery, At-Sea componen-NMFS 1 2 1 650 Hake Trawl Fishery, Shoreside compo-NMFSNWR 1 1 1 590 Hatchery -CDFW 384 384 384 788 Limited-Entry Non-Hake Groundfish T-NMFSNWR 2 2 2 550 Ocean Sport -CDFW 143 521 143 672 Ocean Sport -ODFW 2 10 2 647 Ocean Sport -WDFW 1 0 1 700 Ocean Troll (non-treaty) -CDFO 1 2 1 594 15:47:17 10/29/2025 Regional Mark Information System PAGE 23 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM Ocean Troll (non-treaty) -CDFW 717 2271 714 682 Ocean Troll (non-treaty) -ODFW 22 61 22 714 Ocean Troll (non-treaty) -WDFW 5 8 5 718 Spawning Ground -CDFW 394 769 394 782 Sport (charter) -WDFW 1 2 1 690 TOTALS FOR YEAR: 1682 4208 1679 729 2020 Freshwater Sport -CDFW 1 24 1 1005 Hatchery -CDFW 75 75 75 885 Ocean Sport -CDFW 10 46 9 798 Ocean Sport -ODFW 3 5 3 778 Ocean Troll (non-treaty) -CDFW 62 232 62 769 Ocean Troll (non-treaty) -ODFW 10 18 10 836 Ocean Troll (non-treaty) -WDFW 1 2 1 740 Spawning Ground -CDFW 178 325 178 868 Sport (charter) -WDFW 1 2 1 800 Treaty Troll -WDFW 1 1 1 750 TOTALS FOR YEAR: 342 731 341 850 GRAND TOTALS: 2254 5534 2248 734 TAG CODE 061465 2018 Juvenile Sampling - Trawl (freshwat-USFWS 11 11 90 TOTALS FOR YEAR: 11 11 90 2019 Hatchery -CDFW 2 2 2 585 Spawning Ground -CDFW 1 2 1 580 TOTALS FOR YEAR: 3 4 3 583 2020 Hatchery -CDFW 5 5 5 841 Hatchery -USFWS 1 1 1 610 Ocean Sport -CDFW 1 3 1 820 Ocean Sport -ODFW 2 10 2 768 Ocean Troll (non-treaty) -CDFW 4 17 4 666 Spawning Ground -CDFW 15 26 15 850 TOTALS FOR YEAR: 28 63 28 807 2021 Hatchery -CDFW 1 1 1 855 Ocean Troll (non-treaty) -CDFW 1 4 1 760 Spawning Ground -CDFW 1 14 1 829 TOTALS FOR YEAR: 3 19 3 814 GRAND TOTALS: 45 86 45 617 TAG CODE 061466 2018 Juvenile Sampling - Trawl (freshwat-USFWS 7 7 82 TOTALS FOR YEAR: 7 7 82 2019 Hatchery -CDFW 1 1 1 605 Ocean Sport -CDFW 2 8 2 486 Spawning Ground -CDFW 3 6 3 616 15:47:17 10/29/2025 Regional Mark Information System PAGE 24 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM TOTALS FOR YEAR: 6 14 6 571 2020 Hatchery -CDFW 4 4 4 808 Ocean Sport -CDFW 2 7 1 750 Ocean Troll (non-treaty) -CDFW 4 20 4 758 Ocean Troll (non-treaty) -ODFW 1 1 1 655 Spawning Ground -CDFW 10 18 10 820 TOTALS FOR YEAR: 21 50 20 793 2021 Hatchery -CDFW 1 1 1 935 TOTALS FOR YEAR: 1 1 1 935 GRAND TOTALS: 35 66 34 612 TAG CODE 061467 2019 Freshwater Sport -CDFW 1 27 1 613 Hatchery -CDFW 66 66 66 645 Limited-Entry Non-Hake Groundfish T-NMFSNWR 1 1 1 520 Ocean Sport -CDFW 35 117 35 526 Ocean Troll (non-treaty) -CDFW 2 8 2 622 Spawning Ground -CDFW 123 246 123 608 TOTALS FOR YEAR: 228 465 228 606 2020 Estuary Sport -WDFW 1 5 1 550 Freshwater Sport -CDFW 3 77 3 722 Hatchery -CDFW 228 228 228 809 Hatchery -USFWS 2 2 2 715 Limited-Entry Non-Hake Groundfish T-NMFS 2 2 2 540 Ocean Sport -CDFW 58 260 37 737 Ocean Sport -ODFW 10 30 10 732 Ocean Troll (non-treaty) -CDFO 2 5 Ocean Troll (non-treaty) -CDFW 366 1423 365 706 Ocean Troll (non-treaty) -ODFW 15 27 15 735 Ocean Troll (non-treaty) -WDFW 8 18 8 715 Other Aboriginal -CDFO 1 3 1 605 Spawning Ground -CDFW 390 709 390 808 Sport (charter) -WDFW 1 3 1 770 Sport (private) -WDFW 3 4 3 743 TOTALS FOR YEAR: 1090 2797 1066 767 2021 Hatchery -CDFW 52 52 52 859 Ocean Sport -CDFW 10 42 7 828 Ocean Sport -ODFW 3 10 3 872 Ocean Troll (non-treaty) -CDFW 58 217 57 812 Ocean Troll (non-treaty) -ODFW 19 38 19 779 Ocean Troll (non-treaty) -WDFW 2 4 2 690 Spawning Ground -CDFW 16 70 16 885 TOTALS FOR YEAR: 160 433 156 831 2022 Ocean Troll (non-treaty) -ODFW 1 1 1 770 TOTALS FOR YEAR: 1 1 1 770 15:47:17 10/29/2025 Regional Mark Information System PAGE 25 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM GRAND TOTALS: 1479 3696 1451 749 TAG CODE 061468 2019 Freshwater Sport -CDFW 1 18 1 633 Hatchery -CDFW 48 48 48 634 Ocean Sport -CDFW 21 70 21 512 Spawning Ground -CDFW 101 190 101 604 TOTALS FOR YEAR: 171 326 171 602 2020 Estuary Sport -ODFW 1 1 1 659 Estuary Sport -WDFW 1 5 1 550 Freshwater Sport -CDFW 6 158 6 778 Hatchery -CDFW 174 174 174 792 Ocean Sport -CDFW 31 146 22 718 Ocean Sport -ODFW 3 11 2 694 Ocean Troll (non-treaty) -CDFW 251 990 251 702 Ocean Troll (non-treaty) -ODFW 9 15 9 686 Ocean Troll (non-treaty) -WDFW 2 4 2 700 Spawning Ground -CDFW 307 551 307 794 Sport (charter) -WDFW 2 4 2 655 Sport (private) -WDFW 1 3 1 660 TOTALS FOR YEAR: 788 2062 778 759 2021 Hatchery -CDFW 48 48 48 874 Ocean Sport -CDFW 6 23 6 820 Ocean Sport -ODFW 3 9 3 827 Ocean Troll (non-treaty) -ADFG 1 1 Ocean Troll (non-treaty) -CDFW 43 150 43 794 Ocean Troll (non-treaty) -ODFW 7 13 7 779 Ocean Troll (non-treaty) -WDFW 2 4 2 790 Spawning Ground -CDFW 21 81 21 917 Sport (private) -WDFW 1 2 1 760 TOTALS FOR YEAR: 132 332 131 844 GRAND TOTALS: 1091 2719 1080 744 TAG CODE 061469 2019 Hatchery -CDFW 67 67 67 631 Limited-Entry Non-Hake Groundfish T-NMFSNWR 4 5 4 475 Ocean Sport -CDFW 18 63 18 530 Spawning Ground -CDFW 76 143 76 607 TOTALS FOR YEAR: 165 278 165 605 2020 Freshwater Sport -CDFW 4 107 4 767 Hatchery -CDFW 222 222 222 774 Hatchery -USFWS 1 1 1 680 Ocean Sport -CDFW 35 150 29 706 Ocean Sport -ODFW 7 24 6 695 Ocean Troll (non-treaty) -CDFW 349 1324 348 691 Ocean Troll (non-treaty) -ODFW 7 11 7 708 Ocean Troll (non-treaty) -WDFW 2 3 2 740 15:47:17 10/29/2025 Regional Mark Information System PAGE 26 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM Spawning Ground -CDFW 289 531 289 781 Sport (charter) -WDFW 1 2 1 680 Sport (private) -WDFW 1 4 1 630 TOTALS FOR YEAR: 918 2379 910 741 2021 Hatchery -CDFW 93 93 93 874 Ocean Sport -CDFW 21 95 16 827 Ocean Sport -ODFW 2 6 2 824 Ocean Troll (non-treaty) -CDFW 110 389 108 782 Ocean Troll (non-treaty) -ODFW 13 24 13 799 Ocean Troll (non-treaty) -WDFW 1 1 1 680 Spawning Ground -CDFW 20 134 20 891 TOTALS FOR YEAR: 260 743 253 828 2022 Hatchery -CDFW 1 1 1 990 Ocean Troll (non-treaty) -CDFW 1 4 1 738 TOTALS FOR YEAR: 2 5 2 864 GRAND TOTALS: 1345 3406 1330 741 TAG CODE 061470 2019 Hake Trawl Fishery, Shoreside compo-NMFSNWR 1 1 1 440 Hatchery -CDFW 8 8 8 639 Ocean Sport -CDFW 11 38 11 521 Spawning Ground -CDFW 24 45 24 609 TOTALS FOR YEAR: 44 92 44 589 2020 Estuary Sport -WDFW 1 7 1 540 Freshwater Sport -CDFW 2 48 2 824 Hatchery -CDFW 89 89 89 770 Ocean Sport -CDFW 12 53 10 676 Ocean Sport -ODFW 2 9 2 733 Ocean Troll (non-treaty) -CDFW 139 526 139 690 Ocean Troll (non-treaty) -ODFW 3 6 3 693 Spawning Ground -CDFW 115 207 115 778 Sport (private) -WDFW 1 4 1 680 TOTALS FOR YEAR: 364 949 362 738 2021 Hatchery -CDFW 51 51 51 866 Ocean Sport -CDFW 3 13 2 746 Ocean Troll (non-treaty) -CDFW 51 181 51 773 Ocean Troll (non-treaty) -ODFW 2 4 2 764 Ocean Troll (non-treaty) -WDFW 1 2 1 820 Spawning Ground -CDFW 8 30 8 873 Sport (private) -WDFW 1 2 1 910 Treaty Troll -WDFW 2 9 2 725 TOTALS FOR YEAR: 119 293 118 820 2022 Hatchery -CDFW 3 3 3 932 TOTALS FOR YEAR: 3 3 3 932 15:47:17 10/29/2025 Regional Mark Information System PAGE 27 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM GRAND TOTALS: 530 1337 527 745 TAG CODE 061536 2022 Freshwater Sport -CDFW 1 20 1 607 Hatchery -CDFW 56 56 56 623 Ocean Sport -CDFW 17 84 16 542 Ocean Troll (non-treaty) -CDFW 4 15 4 692 Spawning Ground -CDFW 14 67 14 626 TOTALS FOR YEAR: 92 244 91 612 2023 Estuary Sport -ODFW 1 1 1 575 Hatchery -CDFW 336 336 336 821 Ocean Troll (non-treaty) -WDFW 5 11 5 764 Spawning Ground -CDFW 311 2083 309 852 Sport (private) -WDFW 2 3 2 770 Treaty Troll -WDFW 1 3 1 570 TOTALS FOR YEAR: 656 2438 654 835 2024 Ocean Troll (non-treaty) -ODFW 5 18 5 872 Ocean Troll (non-treaty) -WDFW 4 11 4 777 Spawning Ground -CDFW 3 8 3 853 TOTALS FOR YEAR: 12 37 12 836 GRAND TOTALS: 760 2718 757 808 TAG CODE 061575*1 2021 Ocean Troll (non-treaty) -CDFW 3 9 3 766 TOTALS FOR YEAR: 3 9 3 766 2022 Ocean Sport -CDFW 1 5 1 830 TOTALS FOR YEAR: 1 5 1 830 GRAND TOTALS: 4 14 4 782 TAG CODE 061575*2 2022 Hatchery -CDFW 40 40 40 627 Ocean Sport -CDFW 17 81 17 526 Spawning Ground -CDFW 4 19 4 597 TOTALS FOR YEAR: 61 141 61 597 2023 Hake Trawl Fishery, At-Sea componen-NMFS 2 4 2 635 Hatchery -CDFW 252 252 252 839 Spawning Ground -CDFW 154 777 154 848 TOTALS FOR YEAR: 408 1034 408 841 2024 Hatchery -CDFW 1 1 1 845 Spawning Ground -CDFW 9 57 9 868 TOTALS FOR YEAR: 10 58 10 866 15:47:17 10/29/2025 Regional Mark Information System PAGE 28 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM GRAND TOTALS: 479 1232 479 811 TAG CODE 061909 2020 Hatchery -CDFW 3 3 3 666 Ocean Sport -CDFW 1 5 TOTALS FOR YEAR: 4 8 3 666 2021 Freshwater Sport -CDFW 1 17 1 860 Hatchery -CDFW 9 9 9 817 Ocean Sport -CDFW 2 8 2 726 Ocean Troll (non-treaty) -CDFW 19 68 19 708 TOTALS FOR YEAR: 31 102 31 746 2022 Ocean Troll (non-treaty) -CDFW 1 3 1 768 Ocean Troll (non-treaty) -ODFW 1 2 1 752 TOTALS FOR YEAR: 2 5 2 760 GRAND TOTALS: 37 115 36 740 TAG CODE 061953 2020 Hatchery -CDFW 20 20 20 644 Ocean Sport -CDFW 5 21 4 565 Ocean Troll (non-treaty) -CDFW 4 9 4 645 Spawning Ground -CDFW 30 53 30 657 TOTALS FOR YEAR: 59 103 58 645 2021 Hatchery -CDFW 59 59 59 812 Ocean Sport -CDFW 25 99 21 730 Ocean Troll (non-treaty) -CDFW 118 419 116 706 Ocean Troll (non-treaty) -ODFW 9 17 9 727 Ocean Troll (non-treaty) -WDFW 2 4 2 735 Spawning Ground -CDFW 22 94 22 812 Sport (charter) -WDFW 2 4 2 740 TOTALS FOR YEAR: 237 696 231 747 2022 Hatchery -CDFW 2 2 2 922 Ocean Sport -CDFW 2 7 2 846 Ocean Troll (non-treaty) -CDFW 8 26 8 821 Spawning Ground -CDFW 4 19 4 832 TOTALS FOR YEAR: 16 54 16 840 GRAND TOTALS: 312 853 305 732 TAG CODE 061994 2019 Juvenile Sampling - Seine (freshwat-USFWS 2 2 73 Other -USFWS 66 66 81 TOTALS FOR YEAR: 68 68 81 2020 Hatchery -CDFW 7 7 7 633 Ocean Sport -CDFW 1 4 15:47:17 10/29/2025 Regional Mark Information System PAGE 29 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM Ocean Troll (non-treaty) -CDFW 1 2 1 671 Spawning Ground -CDFW 10 18 10 649 TOTALS FOR YEAR: 19 31 18 644 2021 Hatchery -CDFW 49 49 49 801 Ocean Sport -CDFW 11 47 8 707 Ocean Sport -ODFW 1 6 1 712 Ocean Troll (non-treaty) -CDFW 54 192 53 703 Ocean Troll (non-treaty) -ODFW 1 3 1 732 Ocean Troll (non-treaty) -WDFW 1 2 1 730 Spawning Ground -CDFW 25 143 25 817 TOTALS FOR YEAR: 142 442 138 759 2022 Hatchery -CDFW 1 1 1 1000 Ocean Sport -CDFW 1 4 1 755 Ocean Troll (non-treaty) -CDFW 2 7 2 800 Ocean Troll (non-treaty) -ODFW 1 1 1 826 Spawning Ground -CDFW 5 24 5 936 TOTALS FOR YEAR: 10 37 10 886 GRAND TOTALS: 239 509 234 559 TAG CODE 061995 2019 Other -USFWS 101 101 87 TOTALS FOR YEAR: 101 101 87 2020 Hatchery -CDFW 9 9 9 613 Ocean Sport -CDFW 3 12 2 525 Ocean Sport -ODFW 1 6 1 586 Spawning Ground -CDFW 16 28 16 656 TOTALS FOR YEAR: 29 55 28 631 2021 Freshwater Sport -CDFW 1 17 1 820 Hatchery -CDFW 51 51 51 812 Ocean Sport -CDFW 6 28 5 746 Ocean Sport -ODFW 1 2 1 701 Ocean Troll (non-treaty) -CDFW 66 234 66 715 Ocean Troll (non-treaty) -ODFW 4 8 4 768 Ocean Troll (non-treaty) -WDFW 2 4 2 755 Spawning Ground -CDFW 24 95 24 807 Sport (charter) -WDFW 1 2 1 720 Sport (private) -WDFW 1 2 1 760 TOTALS FOR YEAR: 157 443 156 765 2022 Hatchery -CDFW 5 5 5 874 Ocean Sport -CDFW 1 5 1 950 Ocean Troll (non-treaty) -CDFW 4 17 4 847 TOTALS FOR YEAR: 10 27 10 871 GRAND TOTALS: 297 525 295 523 15:47:17 10/29/2025 Regional Mark Information System PAGE 30 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM TAG CODE 061996 2019 Other -USFWS 89 89 87 TOTALS FOR YEAR: 89 89 87 2020 Hatchery -CDFW 11 11 11 615 Ocean Sport -CDFW 5 20 5 559 Ocean Troll (non-treaty) -CDFW 3 8 3 631 Spawning Ground -CDFW 16 28 16 624 TOTALS FOR YEAR: 35 67 35 612 2021 Freshwater Sport -CDFW 1 22 1 810 Hatchery -CDFW 93 93 93 821 Ocean Sport -CDFW 6 24 5 673 Ocean Sport -ODFW 1 2 1 682 Ocean Troll (non-treaty) -CDFW 90 322 90 723 Spawning Ground -CDFW 37 141 37 818 Treaty Troll -WDFW 1 3 1 700 TOTALS FOR YEAR: 229 606 228 777 2022 Hatchery -CDFW 2 2 2 875 Ocean Sport -CDFW 1 4 1 754 Ocean Troll (non-treaty) -CDFW 6 21 6 839 Ocean Troll (non-treaty) -ODFW 2 6 2 757 Spawning Ground -CDFW 5 24 5 918 TOTALS FOR YEAR: 16 57 16 852 GRAND TOTALS: 369 730 368 598 TAG CODE 061997 2019 Other -USFWS 87 87 86 TOTALS FOR YEAR: 87 87 86 2020 Hatchery -CDFW 9 9 9 653 Ocean Sport -CDFW 3 11 3 551 Ocean Troll (non-treaty) -CDFW 1 2 1 662 Spawning Ground -CDFW 18 32 18 658 TOTALS FOR YEAR: 31 54 31 646 2021 Hatchery -CDFW 110 110 110 821 Ocean Sport -CDFW 14 58 10 758 Ocean Troll (non-treaty) -CDFW 80 283 79 719 Ocean Troll (non-treaty) -ODFW 3 8 3 680 Spawning Ground -CDFW 29 110 29 836 TOTALS FOR YEAR: 236 569 231 783 2022 Hatchery -CDFW 6 6 6 891 Ocean Sport -CDFW 1 4 1 860 Ocean Sport -ODFW 1 3 1 817 Ocean Troll (non-treaty) -CDFW 9 31 9 820 Ocean Troll (non-treaty) -ODFW 3 11 3 793 Spawning Ground -CDFW 6 29 6 893 15:47:17 10/29/2025 Regional Mark Information System PAGE 31 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM TOTALS FOR YEAR: 26 83 26 852 2023 Hatchery -CDFW 1 1 1 910 TOTALS FOR YEAR: 1 1 1 910 GRAND TOTALS: 381 708 376 616 TAG CODE 061998 2020 Hatchery -CDFW 46 46 46 648 Ocean Sport -CDFW 22 91 16 575 Ocean Troll (non-treaty) -CDFW 8 18 8 644 Spawning Ground -CDFW 45 83 45 651 State-Permitted Nearshore Grndfish -NMFS 1 7 1 320 TOTALS FOR YEAR: 122 245 116 636 2021 Freshwater Sport -CDFW 4 66 4 822 Hatchery -CDFW 208 208 208 817 Hatchery -USFWS 1 1 1 700 Ocean Sport -CDFW 52 210 39 748 Ocean Sport -ODFW 3 11 3 762 Ocean Troll (non-treaty) -CDFO 1 2 Ocean Troll (non-treaty) -CDFW 402 1434 402 710 Ocean Troll (non-treaty) -ODFW 10 20 10 726 Ocean Troll (non-treaty) -WDFW 4 8 4 700 Spawning Ground -CDFW 36 163 36 797 Sport (private) -WDFW 1 2 1 750 TOTALS FOR YEAR: 722 2124 708 749 2022 Hatchery -CDFW 15 15 15 877 Ocean Sport -CDFW 8 33 8 845 Ocean Troll (non-treaty) -CDFW 30 97 30 836 Ocean Troll (non-treaty) -ODFW 10 26 10 781 Spawning Ground -CDFW 5 24 5 916 Sport (private) -WDFW 1 2 1 840 TOTALS FOR YEAR: 69 197 69 844 2023 Hatchery -CDFW 3 3 3 845 TOTALS FOR YEAR: 3 3 3 845 GRAND TOTALS: 916 2568 896 742 TAG CODE 061999 2020 Hatchery -CDFW 18 18 18 642 Ocean Sport -CDFW 6 30 5 507 Ocean Troll (non-treaty) -CDFW 2 5 2 617 Spawning Ground -CDFW 23 40 23 635 TOTALS FOR YEAR: 49 93 48 624 2021 Freshwater Sport -CDFW 4 83 4 770 Hatchery -CDFW 193 193 193 815 Ocean Sport -CDFW 38 148 30 738 15:47:17 10/29/2025 Regional Mark Information System PAGE 32 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM Ocean Sport -ODFW 3 7 3 612 Ocean Troll (non-treaty) -CDFW 283 1018 281 701 Ocean Troll (non-treaty) -ODFW 5 10 5 696 Ocean Troll (non-treaty) -WDFW 3 6 3 690 Spawning Ground -CDFW 37 141 37 829 Sport (private) -WDFW 1 5 1 770 TOTALS FOR YEAR: 567 1612 557 751 2022 Hatchery -CDFW 16 16 16 888 Ocean Sport -CDFW 8 34 8 810 Ocean Troll (non-treaty) -CDFW 35 116 35 825 Ocean Troll (non-treaty) -ODFW 4 8 4 815 Spawning Ground -CDFW 6 26 6 911 TOTALS FOR YEAR: 69 200 69 845 2023 Hatchery -CDFW 9 9 9 876 TOTALS FOR YEAR: 9 9 9 876 GRAND TOTALS: 694 1913 683 753 TAG CODE 062051 2020 Other -USFWS 21 21 91 TOTALS FOR YEAR: 21 21 91 2021 Hatchery -CDFW 25 25 25 613 Ocean Sport -CDFW 2 10 2 510 Spawning Ground -CDFW 9 34 9 635 TOTALS FOR YEAR: 36 69 36 613 2022 Hatchery -CDFW 44 44 44 769 Ocean Sport -CDFW 10 46 10 708 Ocean Sport -ODFW 1 6 1 712 Ocean Troll (non-treaty) -CDFW 46 157 45 717 Ocean Troll (non-treaty) -ODFW 4 8 4 685 Spawning Ground -CDFW 20 96 20 833 Treaty Troll -WDFW 1 2 1 640 TOTALS FOR YEAR: 126 359 125 752 2023 Hatchery -CDFW 3 3 3 901 Spawning Ground -CDFW 2 17 2 935 TOTALS FOR YEAR: 5 20 5 915 GRAND TOTALS: 188 447 187 655 TAG CODE 062052 2020 Other -USFWS 64 64 88 TOTALS FOR YEAR: 64 64 88 2021 Commercial Seine -ADFG 1 1 Hatchery -CDFW 101 101 101 630 Ocean Sport -CDFW 15 56 15 556 15:47:17 10/29/2025 Regional Mark Information System PAGE 33 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM Spawning Ground -CDFW 26 99 26 658 TOTALS FOR YEAR: 143 257 142 627 2022 Estuary Sport -WDFW 1 3 1 550 Freshwater Sport -CDFW 1 20 1 730 Hatchery -CDFW 178 178 178 801 Ocean Sport -CDFW 44 195 43 717 Ocean Sport -ODFW 3 7 3 730 Ocean Trawl By-Catch -WDFW 1 0 1 670 Ocean Troll (non-treaty) -CDFW 148 504 148 714 Ocean Troll (non-treaty) -ODFW 8 28 8 706 Ocean Troll (non-treaty) -WDFW 1 2 1 670 Spawning Ground -CDFW 60 288 60 824 Sport (charter) -WDFW 2 3 2 740 Sport (private) -WDFW 1 6 1 750 TOTALS FOR YEAR: 448 1235 447 763 2023 Hatchery -CDFW 14 14 14 872 Spawning Ground -CDFW 9 75 9 983 Sport (private) -WDFW 1 3 1 690 TOTALS FOR YEAR: 24 93 24 906 GRAND TOTALS: 679 1585 677 676 TAG CODE 062053 2020 Other -USFWS 47 47 88 TOTALS FOR YEAR: 47 47 88 2021 Freshwater Sport -CDFW 1 22 1 604 Hatchery -CDFW 130 130 130 646 Ocean Sport -CDFW 20 79 20 557 Ocean Troll (non-treaty) -CDFW 2 6 2 635 Spawning Ground -CDFW 20 76 20 664 TOTALS FOR YEAR: 173 314 173 638 2022 Freshwater Sport -CDFW 3 60 3 727 Hatchery -CDFW 183 183 183 807 Ocean Sport -CDFW 36 161 36 724 Ocean Trawl By-Catch -WDFW 1 0 1 680 Ocean Troll (non-treaty) -CDFW 164 554 164 714 Ocean Troll (non-treaty) -ODFW 5 10 5 720 Ocean Troll (non-treaty) -WDFW 4 8 4 677 Spawning Ground -CDFW 68 328 68 826 Sport (private) -WDFW 1 2 1 640 Treaty Troll -WDFW 1 4 1 580 TOTALS FOR YEAR: 466 1309 466 767 2023 Hatchery -CDFW 25 25 25 908 Spawning Ground -CDFW 13 102 13 883 TOTALS FOR YEAR: 38 127 38 900 15:47:17 10/29/2025 Regional Mark Information System PAGE 34 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM GRAND TOTALS: 724 1750 724 699 TAG CODE 062054 2021 Estuary Sport -ODFW 1 1 1 486 Freshwater Sport -CDFW 3 61 3 546 Hake Trawl Fishery, Shoreside compo-NMFSNWR 1 1 1 490 Hatchery -CDFW 192 192 192 624 Ocean Sport -CDFW 48 180 43 558 Ocean Troll (non-treaty) -CDFW 5 16 5 643 Spawning Ground -CDFW 41 255 41 627 Sport (charter) -WDFW 1 2 1 490 TOTALS FOR YEAR: 292 709 287 612 2022 Estuary Sport -WDFW 1 3 1 770 Freshwater Sport -CDFW 3 61 3 802 Hatchery -CDFW 266 266 266 793 Ocean Sport -CDFW 107 483 101 712 Ocean Sport -ODFW 6 14 5 683 Ocean Troll (non-treaty) -CDFO 2 5 Ocean Troll (non-treaty) -CDFW 342 1159 341 718 Ocean Troll (non-treaty) -ODFW 40 98 40 721 Ocean Troll (non-treaty) -WDFW 9 27 9 684 Spawning Ground -CDFW 103 501 103 812 Sport (charter) -WDFW 2 4 2 745 Treaty Troll -WDFW 7 13 7 625 TOTALS FOR YEAR: 888 2634 878 750 2023 Hake Trawl Fishery, At-Sea componen-NMFS 1 2 1 840 Hatchery -CDFW 29 29 29 894 Ocean Troll (non-treaty) -WDFW 2 6 2 810 Spawning Ground -CDFW 16 117 16 896 Treaty Troll -WDFW 2 5 2 750 TOTALS FOR YEAR: 50 159 50 884 GRAND TOTALS: 1230 3502 1215 723 TAG CODE 062055 2021 Freshwater Sport -CDFW 3 61 3 683 Hake Trawl Fishery, Shoreside compo-NMFSNWR 1 1 1 490 Hatchery -CDFW 171 171 171 637 Ocean Sport -CDFW 58 210 54 550 Ocean Troll (non-treaty) -CDFW 4 14 4 617 Spawning Ground -CDFW 52 207 52 658 TOTALS FOR YEAR: 289 664 285 624 2022 Freshwater Sport -CDFW 2 36 2 822 Hatchery -CDFW 324 324 324 808 Ocean Sport -CDFW 150 680 150 716 Ocean Sport -ODFW 6 20 6 666 Ocean Troll (non-treaty) -CDFW 520 1760 518 710 Ocean Troll (non-treaty) -ODFW 20 47 20 725 15:47:17 10/29/2025 Regional Mark Information System PAGE 35 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM Ocean Troll (non-treaty) -WDFW 13 39 13 676 Spawning Ground -CDFW 118 697 118 832 Sport (private) -WDFW 3 10 3 700 Treaty Troll -WDFW 2 5 2 605 TOTALS FOR YEAR: 1158 3619 1156 750 2023 Hatchery -CDFW 50 50 50 913 Ocean Troll (non-treaty) -WDFW 2 6 2 665 Spawning Ground -CDFW 44 347 44 920 TOTALS FOR YEAR: 96 403 96 911 GRAND TOTALS: 1543 4686 1537 737 TAG CODE 062056 2021 Freshwater Sport -CDFW 1 22 1 680 Hake Trawl Fishery, Shoreside compo-NMFSNWR 1 1 1 480 Hatchery -CDFW 75 75 75 636 Ocean Sport -CDFW 30 113 30 535 Ocean Troll (non-treaty) -CDFW 1 3 1 708 Spawning Ground -CDFW 17 67 17 647 TOTALS FOR YEAR: 125 281 125 613 2022 Freshwater Sport -CDFW 2 41 2 922 Hatchery -CDFW 114 114 114 820 Ocean Sport -CDFW 58 259 57 698 Ocean Troll (non-treaty) -CDFW 240 803 240 710 Ocean Troll (non-treaty) -ODFW 5 9 5 706 Spawning Ground -CDFW 33 166 33 860 TOTALS FOR YEAR: 452 1392 451 748 2023 Hatchery -CDFW 22 22 22 944 Spawning Ground -CDFW 21 159 21 944 TOTALS FOR YEAR: 43 181 43 944 2024 Spawning Ground -CDFW 1 3 1 820 TOTALS FOR YEAR: 1 3 1 820 GRAND TOTALS: 621 1857 620 734 TAG CODE 062057 2020 Other -USFWS 39 39 82 TOTALS FOR YEAR: 39 39 82 2021 Freshwater Sport -CDFW 1 17 1 574 Hatchery -CDFW 39 39 39 624 Ocean Sport -CDFW 9 35 9 573 Spawning Ground -CDFW 11 42 11 620 TOTALS FOR YEAR: 60 133 60 615 2022 Freshwater Sport -CDFW 1 20 1 734 Hatchery -CDFW 40 40 40 790 15:47:17 10/29/2025 Regional Mark Information System PAGE 36 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM Ocean Sport -CDFW 16 67 15 696 Ocean Sport -ODFW 1 3 1 738 Ocean Troll (non-treaty) -CDFW 47 156 47 716 Ocean Troll (non-treaty) -ODFW 6 17 6 744 Ocean Troll (non-treaty) -WDFW 3 9 3 703 Spawning Ground -CDFW 20 96 20 793 Sport (charter) -WDFW 1 2 1 670 Sport (private) -WDFW 1 2 1 760 TOTALS FOR YEAR: 136 414 135 748 2023 Hatchery -CDFW 2 2 2 780 Spawning Ground -CDFW 1 8 1 840 TOTALS FOR YEAR: 3 10 3 800 GRAND TOTALS: 238 557 237 606 TAG CODE 062094 2022 Hatchery -CDFW 7 7 7 638 Ocean Sport -CDFW 2 10 2 542 TOTALS FOR YEAR: 9 17 9 617 2023 Hatchery -CDFW 61 61 61 855 Spawning Ground -CDFW 31 191 31 857 TOTALS FOR YEAR: 92 252 92 856 2024 Hatchery -CDFW 1 1 1 840 Ocean Troll (non-treaty) -ODFW 1 2 1 779 Spawning Ground -CDFW 4 15 4 815 TOTALS FOR YEAR: 6 19 6 813 GRAND TOTALS: 107 288 107 833 TAG CODE 062362 2022 Hatchery -CDFW 18 18 18 653 Ocean Sport -CDFW 11 53 11 536 Ocean Troll (non-treaty) -CDFW 1 3 1 599 Spawning Ground -CDFW 2 10 2 645 TOTALS FOR YEAR: 32 84 32 610 2023 Hatchery -CDFW 121 121 121 829 Ocean Troll (non-treaty) -WDFW 1 2 1 690 Spawning Ground -CDFW 86 512 86 842 Treaty Troll -WDFW 2 6 2 640 TOTALS FOR YEAR: 210 641 210 832 2024 Hatchery -CDFW 1 1 1 880 Ocean Troll (non-treaty) -ODFW 6 15 6 814 Spawning Ground -CDFW 2 11 2 910 TOTALS FOR YEAR: 9 28 9 842 15:47:17 10/29/2025 Regional Mark Information System PAGE 37 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM GRAND TOTALS: 251 753 251 804 TAG CODE 062363 2022 Hatchery -CDFW 56 56 56 657 Ocean Sport -CDFW 34 163 34 531 Ocean Troll (non-treaty) -CDFW 4 14 4 635 Spawning Ground -CDFW 9 49 9 653 TOTALS FOR YEAR: 103 282 103 614 2023 Hatchery -CDFW 306 306 306 831 Spawning Ground -CDFW 253 1236 253 844 Sport (private) -WDFW 1 3 1 700 TOTALS FOR YEAR: 560 1546 560 837 2024 Hatchery -CDFW 5 5 5 834 Ocean Troll (non-treaty) -ODFW 8 28 8 797 Ocean Troll (non-treaty) -WDFW 3 7 3 800 Spawning Ground -CDFW 13 69 13 854 TOTALS FOR YEAR: 29 110 29 829 GRAND TOTALS: 692 1938 692 803 TAG CODE 062364 2022 Hatchery -CDFW 23 23 23 648 Ocean Sport -CDFW 8 39 8 544 Ocean Troll (non-treaty) -CDFW 1 2 1 653 Spawning Ground -CDFW 5 17 5 650 TOTALS FOR YEAR: 37 81 37 626 2023 Hatchery -CDFW 203 203 203 839 Ocean Sport -ODFW 1 6 1 790 Spawning Ground -CDFW 124 598 124 857 Treaty Troll -WDFW 1 11 1 580 TOTALS FOR YEAR: 329 818 329 845 2024 Hatchery -CDFW 1 1 1 770 Ocean Troll (non-treaty) -ODFW 4 8 4 806 Spawning Ground -CDFW 10 49 10 803 TOTALS FOR YEAR: 15 58 15 801 GRAND TOTALS: 381 957 381 822 TAG CODE 062374 2022 Hatchery -CDFW 14 14 14 656 Ocean Sport -CDFW 4 18 4 515 Spawning Ground -CDFW 1 5 1 560 TOTALS FOR YEAR: 19 37 19 621 2023 Hatchery -CDFW 67 67 67 826 Spawning Ground -CDFW 50 257 50 856 15:47:17 10/29/2025 Regional Mark Information System PAGE 38 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM TOTALS FOR YEAR: 117 324 117 839 2024 Hatchery -CDFW 2 2 2 865 Ocean Troll (non-treaty) -ODFW 1 3 1 814 Ocean Troll (non-treaty) -WDFW 1 0 1 780 Spawning Ground -CDFW 1 8 1 900 TOTALS FOR YEAR: 5 14 5 844 GRAND TOTALS: 141 374 141 810 TAG CODE 062375 2022 Hatchery -CDFW 5 5 5 656 Ocean Sport -CDFW 5 25 5 580 Spawning Ground -CDFW 1 5 1 690 TOTALS FOR YEAR: 11 34 11 624 2023 Hatchery -CDFW 40 40 40 840 Spawning Ground -CDFW 29 163 29 851 Sport (charter) -WDFW 1 2 1 700 TOTALS FOR YEAR: 70 205 70 843 2024 Hake Trawl Fishery, At-Sea componen-NMFS 1 2 1 860 Ocean Troll (non-treaty) -ODFW 1 5 1 825 TOTALS FOR YEAR: 2 7 2 842 GRAND TOTALS: 83 246 83 814 TAG CODE 062965 2023 Hatchery -CDFW 124 124 124 641 Ocean Sport -ODFW 1 6 1 467 Spawning Ground -CDFW 27 201 27 667 TOTALS FOR YEAR: 152 331 152 644 2024 Ocean Sport -CDFO 1 11 Ocean Sport -ODFW 2 6 2 748 Ocean Troll (non-treaty) -ODFW 18 69 18 725 Ocean Troll (non-treaty) -WDFW 19 60 19 703 Spawning Ground -CDFW 1 3 1 690 Sport (charter) -WDFW 1 2 1 810 Sport (private) -WDFW 1 3 1 750 TOTALS FOR YEAR: 43 153 42 718 GRAND TOTALS: 195 484 194 660 TAG CODE 062966 2023 Hatchery -CDFW 30 30 30 629 Spawning Ground -CDFW 4 16 4 627 TOTALS FOR YEAR: 34 46 34 629 2024 Ocean Troll (non-treaty) -WDFW 2 5 2 675 15:47:17 10/29/2025 Regional Mark Information System PAGE 39 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM Spawning Ground -CDFW 1 8 1 650 TOTALS FOR YEAR: 3 14 3 666 GRAND TOTALS: 37 60 37 632 TAG CODE 062967 2023 Hatchery -CDFW 143 143 143 641 Spawning Ground -CDFW 23 158 23 668 TOTALS FOR YEAR: 166 301 166 645 2024 Ocean Sport -ODFW 3 10 3 675 Ocean Troll (non-treaty) -ODFW 12 45 12 746 Ocean Troll (non-treaty) -WDFW 6 18 6 701 Sport (charter) -WDFW 1 1 1 610 TOTALS FOR YEAR: 22 74 22 718 GRAND TOTALS: 188 375 188 653 TAG CODE 062968 2022 Other -USFWS 1 1 80 TOTALS FOR YEAR: 1 1 80 2023 Hatchery -CDFW 100 100 100 646 Spawning Ground -CDFW 7 41 7 661 TOTALS FOR YEAR: 107 141 107 647 2024 Hatchery -CDFW 1 1 1 650 Ocean Troll (non-treaty) -WDFW 4 11 4 700 Sport (charter) -WDFW 1 1 1 690 Sport (private) -WDFW 1 3 1 810 TOTALS FOR YEAR: 7 16 7 707 GRAND TOTALS: 115 158 115 646 TAG CODE 062969 2023 Hake Trawl Fishery, At-Sea componen-NMFS 1 2 1 580 Hatchery -CDFW 81 81 81 646 Spawning Ground -CDFW 13 92 13 648 TOTALS FOR YEAR: 95 175 95 646 2024 Ocean Troll (non-treaty) -ODFW 1 4 1 710 Ocean Troll (non-treaty) -WDFW 1 2 1 790 Sport (private) -WDFW 2 7 2 795 TOTALS FOR YEAR: 4 14 4 772 GRAND TOTALS: 99 188 99 651 TAG CODE 062970 2023 Hatchery -CDFW 11 11 11 630 15:47:17 10/29/2025 Regional Mark Information System PAGE 40 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM Spawning Ground -CDFW 3 35 3 623 TOTALS FOR YEAR: 14 46 14 629 GRAND TOTALS: 14 46 14 629 TAG CODE 068208 2023 Hatchery -CDFW 2 2 2 625 TOTALS FOR YEAR: 2 2 2 625 GRAND TOTALS: 2 2 2 625 TAG CODE 068658 2014 Ocean Troll (non-treaty) -ODFW 1 2 1 883 Spawning Ground -CDFW 1 2 1 900 TOTALS FOR YEAR: 2 5 2 891 GRAND TOTALS: 2 5 2 891 TAG CODE 068665 2023 Hatchery -CDFW 4 4 4 626 TOTALS FOR YEAR: 4 4 4 626 2024 Ocean Troll (non-treaty) -ODFW 1 5 1 745 TOTALS FOR YEAR: 1 5 1 745 GRAND TOTALS: 5 9 5 650 TAG CODE 068677 2014 Ocean Troll (non-treaty) -ODFW 1 1 1 720 TOTALS FOR YEAR: 1 1 1 720 GRAND TOTALS: 1 1 1 720 TAG CODE 068680 2014 Ocean Troll (non-treaty) -CDFW 1 3 1 666 Ocean Troll (non-treaty) -ODFW 1 1 1 896 Spawning Ground -CDFW 3 19 3 891 TOTALS FOR YEAR: 5 22 5 847 GRAND TOTALS: 5 22 5 847 TAG CODE 068767 2014 Estuary Sport -ODFW 1 1 1 919 Freshwater Sport -CDFW 7 182 7 880 Hake Trawl Fishery, Shoreside compo-NMFSNWR 1 1 850 Hatchery -CDFW 70 71 70 902 Limited-Entry Non-Hake Groundfish T-NMFS 1 2 1 770 15:47:17 10/29/2025 Regional Mark Information System PAGE 41 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM Ocean Sport -CDFO 1 9 1 790 Ocean Sport -CDFW 20 72 20 839 Ocean Sport -ODFW 10 26 10 826 Ocean Troll (non-treaty) -ADFG 1 4 Ocean Troll (non-treaty) -CDFO 6 12 2 785 Ocean Troll (non-treaty) -CDFW 61 160 61 819 Ocean Troll (non-treaty) -ODFW 121 288 121 821 Ocean Troll (non-treaty) -WDFW 10 19 10 771 Spawning Ground -CDFW 191 450 191 899 Sport (charter) -WDFW 1 3 1 830 Sport (private) -WDFW 3 10 3 786 Treaty Troll -WDFW 3 9 3 726 TOTALS FOR YEAR: 508 1318 503 861 2015 Ocean Sport -ODFW 1 3 1 619 TOTALS FOR YEAR: 1 3 1 619 2016 Ocean Troll (non-treaty) -WDFW 1 1 1 950 TOTALS FOR YEAR: 1 1 1 950 GRAND TOTALS: 510 1322 505 861 TAG CODE 068768 2014 Freshwater Sport -CDFW 5 119 5 812 Hatchery -CDFW 82 84 82 890 Ocean Sport -CDFO 2 8 2 635 Ocean Sport -CDFW 19 57 18 839 Ocean Sport -ODFW 7 21 7 854 Ocean Troll (non-treaty) -CDFO 4 9 3 782 Ocean Troll (non-treaty) -CDFW 68 174 68 824 Ocean Troll (non-treaty) -ODFW 138 359 138 816 Ocean Troll (non-treaty) -WDFW 10 17 10 810 Spawning Ground -CDFW 213 478 213 908 Sport (charter) -WDFW 1 2 1 800 Treaty Troll -WDFW 5 20 5 758 TOTALS FOR YEAR: 554 1347 552 863 2015 Hatchery -CDFW 1 1 1 972 Ocean Troll (non-treaty) -CDFO 1 3 Ocean Troll (non-treaty) -ODFW 2 6 2 839 Spawning Ground -CDFW 2 4 2 955 TOTALS FOR YEAR: 6 15 5 912 GRAND TOTALS: 560 1362 557 864 TAG CODE 068769 2014 Estuary Sport -ODFW 1 1 1 800 Freshwater Sport -CDFW 10 258 10 885 Hatchery -CDFW 197 201 197 897 Ocean Sport -CDFW 33 104 33 838 Ocean Sport -ODFW 13 36 13 837 15:47:17 10/29/2025 Regional Mark Information System PAGE 42 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM Ocean Troll (non-treaty) -CDFO 1 Ocean Troll (non-treaty) -CDFW 134 346 134 819 Ocean Troll (non-treaty) -ODFW 144 358 143 815 Ocean Troll (non-treaty) -WDFW 7 18 7 798 Other -CDFW 4 4 4 887 Spawning Ground -CDFW 245 552 245 910 Sport (charter) -WDFW 3 8 3 826 Treaty Troll -WDFW 1 3 1 800 TOTALS FOR YEAR: 793 1888 791 868 2015 Hatchery -CDFW 3 3 3 942 Ocean Troll (non-treaty) -ODFW 1 2 1 850 Spawning Ground -CDFW 3 7 3 913 TOTALS FOR YEAR: 7 12 7 916 GRAND TOTALS: 800 1899 798 868 TAG CODE 068770 2014 Freshwater Sport -CDFW 5 127 5 900 Hatchery -CDFW 99 101 99 895 Ocean Sport -CDFO 1 2 Ocean Sport -CDFW 25 88 25 851 Ocean Sport -ODFW 5 17 5 871 Ocean Troll (non-treaty) -CDFW 67 179 67 815 Ocean Troll (non-treaty) -ODFW 126 341 126 809 Ocean Troll (non-treaty) -WDFW 6 11 6 795 Spawning Ground -CDFW 136 312 136 902 Sport (private) -WDFW 1 5 1 770 Treaty Troll -WDFW 1 2 1 690 TOTALS FOR YEAR: 472 1185 471 858 2015 Hatchery -CDFW 2 2 2 786 Ocean Troll (non-treaty) -ODFW 1 3 1 845 Spawning Ground -CDFW 2 4 2 945 TOTALS FOR YEAR: 5 10 5 861 GRAND TOTALS: 477 1195 476 858 TAG CODE 068771 2014 Freshwater Sport -CDFW 2 52 2 924 Hatchery -CDFW 50 51 50 899 Ocean Sport -CDFW 8 25 8 851 Ocean Sport -ODFW 2 6 2 848 Ocean Troll (non-treaty) -CDFW 38 98 38 830 Ocean Troll (non-treaty) -ODFW 44 110 44 817 Ocean Troll (non-treaty) -WDFW 5 7 5 776 Spawning Ground -CDFW 67 149 67 907 Sport (charter) -WDFW 1 4 1 820 Treaty Troll -WDFW 1 1 1 840 TOTALS FOR YEAR: 218 502 218 867 15:47:17 10/29/2025 Regional Mark Information System PAGE 43 REPORT: HS4 ANNUAL RECOVERIES BY RECOVERY YEAR HATCHERY: NIMBUS FISH HATCHERY SPECIES: Chinook STOCK: AMERICAN RIVER RUN: Fall YEAR FISHERY - Recovery Agency ................. OBS'D EST'D MEAS'D AVG MM 2015 Spawning Ground -CDFW 1 2 1 930 TOTALS FOR YEAR: 1 2 1 930 GRAND TOTALS: 219 505 219 868 TAG CODE 068783 2014 Hatchery -CDFW 12 12 12 916 Ocean Sport -CDFW 4 12 4 801 Ocean Sport -ODFW 2 4 2 842 Ocean Troll (non-treaty) -CDFW 12 29 12 826 Ocean Troll (non-treaty) -ODFW 19 46 19 810 Ocean Troll (non-treaty) -WDFW 1 1 1 790 Spawning Ground -CDFW 27 63 27 900 TOTALS FOR YEAR: 77 167 77 861 2015 Hatchery -CDFW 1 1 1 892 TOTALS FOR YEAR: 1 1 1 892 GRAND TOTALS: 78 168 78 861