Hatchery Chinook Loss Tables of Confirmed and Unconfirmed CWT and CWT Releases WY2025
Data Courtesy of CDFW, Bay Delta Region
Juvenile Salvage & Loss Queries
| Release Start | Release End | CWT Tag Race | Hatchery | Release Site | Release Type | Loss | CWT Number Released |
% CWT Marked of Total Number Released |
% Loss of CWT Number Released |
First Loss | Last Loss | Confirmed Loss CWT Tagcodes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024-03-01 | 2024-05-31 | Spring | SJ Restoration SCARF | Owl Hollow to Thomas Farm at Reach 1 of San Joaquin River | SJRRP | 2.882 | 19686 | 100.0 | 0.015 | 2025-04-09 | 2025-04-09 | 062870 |
| 2024-05-29 | 2024-05-29 | Fall | Mokelumne Hatchery | San Francisco Bay at Fort Baker | Production | 2.537 | 125000 | 25.0 | 0.002 | 2025-04-07 | 2025-04-07 | 061800 |
| 2024-11-20 | 2024-11-20 | Late-Fall | Coleman NFH | Battle Creek at CNFH | Production | 1051.206 | 698892 | 100.0 | 0.150 | 2024-11-29 | 2025-04-05 | 050038, 050039, 050040, 050041, 050042, 050043, 050044, 052900, 053300, 053400, 053500 |
| 2024-11-25 | 2024-11-25 | Late-Fall | Coleman NFH | Battle Creek at CNFH | Experimental | 71.331 | 67422 | 100.0 | 0.106 | 2024-12-04 | 2025-01-12 | 053200 |
| 2024-12-10 | 2024-12-11 | Spring | SJ Restoration SCARF | San Joaquin River at Highway 140 | SJRRP | 78.406 | 5201 | 100.0 | 1.508 | 2024-12-18 | 2025-03-14 | 060700 |
| 2024-12-13 | 2024-12-13 | Late-Fall | Coleman NFH | Battle Creek at CNFH | Experimental | 72.523 | 77355 | 100.0 | 0.094 | 2024-12-25 | 2025-01-12 | 053100 |
| 2025-01-17 | 2025-01-17 | Late-Fall | Coleman NFH | Battle Creek at CNFH | Experimental | 43.341 | 74425 | 100.0 | 0.058 | 2025-01-30 | 2025-04-04 | 053000 |
| 2025-02-01 | 2025-02-01 | Winter | Livingston Stone NFH | Sacramento River at John F. Reginato River Access | Production | 111.406 | 177316 | 100.0 | 0.063 | 2025-03-14 | 2025-03-31 | 055100, 055300, 055400 |
| 2025-02-13 | 2025-02-13 | Winter | Livingston Stone NFH | Sacramento River at John F. Reginato River Access | Production | 105.216 | 238510 | 100.0 | 0.044 | 2025-03-09 | 2025-04-04 | 055500, 055600, 055700, 055800 |
| 2025-02-20 | 2025-02-20 | Spring | SJ Restoration SCARF | San Joaquin River at Highway 140 | SJRRP | 1131.218 | 43779 | 100.0 | 2.584 | 2025-02-28 | 2025-04-15 | 062203 |
| 2025-03-14 | 2025-03-14 | Spring | Feather River Hatchery | Feather River at Boyd's Pump Boat Ramp | Experimental | 16.559 | 476741 | 49.6 | 0.003 | 2025-04-06 | 2025-04-06 | 063233 |
| 2025-03-16 | 2025-03-16 | Fall | Coleman NFH | Battle Creek at CNFH | Production | 58.342 | 215543 | 25.0 | 0.027 | 2025-04-01 | 2025-04-30 | 056400, 056500 |
| 2025-03-19 | 2025-03-20 | Spring | SJ Restoration SCARF | San Joaquin River at Highway 140 | Experimental | 4878.177 | 102830 | 100.0 | 4.744 | 2025-03-22 | 2025-04-26 | 061866 |
| 2025-03-21 | 2025-03-21 | Spring | Feather River Hatchery | Feather River at Boyd's Pump Boat Ramp | Experimental | 110.134 | 475831 | 49.4 | 0.023 | 2025-03-31 | 2025-05-02 | 063230 |
| 2025-04-01 | 2025-05-31 | Spring | SJ Restoration SCARF | Owl Hollow to Thomas Farm at Reach 1 of San Joaquin River | Experimental | 8.213 | 14000 | 100.0 | 0.059 | 2025-04-21 | 2025-04-21 | 060400 |
| 2025-04-29 | 2025-04-29 | Fall | Mokelumne Hatchery | San Joaquin River at Sherman Island Net Pen | Production | 3.268 | 121500 | 25.0 | 0.003 | 2025-05-12 | 2025-05-12 | 063180 |
- Number released with the adipose-fin clipped and a coded-wire tag (CWT).
- % Loss of Number Released = (Confirmed Loss/Number Released)*100.
- Chinook outside of the length-at-date criteria (Delta model) are not reported.
- Unconfirmed Hatchery (Adipose-Fin Clipped) Chinook Salmon Loss at the SWP & CVP Delta Fish Facitilities, 10/1/2024 to 9/30/2025 , Data through 2025-05-19
- SWP: 76.011
- CVP: 268.114
- Adipose-fin clipped Chinook was observed during fish count, but tag code could not be determined (e.g., damaged tag, lost tag, no tag, or Chinook released).
| Release Start | Release End | CWT Tag Race | Hatchery | Release Site | Release Type | CWT Number Released |
% CWT Marked of Total Number Released |
CWT Tagcodes |
|---|---|---|---|---|---|---|---|---|
| 2025-05-13 | 2025-05-13 | Fall | Feather River Hatchery | Mare Island at San Pablo Bay | Production | 167195 | 25.0 | 063260, 063266 |
| 2025-05-12 | 2025-05-12 | Fall | Nimbus Hatchery | Mare Island at San Pablo Bay | Production | 173555 | 25.0 | 063050, 063271 |
| 2025-05-08 | 2025-05-08 | Fall | Coleman NFH | Sacramento River at Colusa | Experimental | 131516 | 25.0 | 056754, 056801, 056802 |
| 2025-05-08 | 2025-05-09 | Fall | Coleman NFH | Sacramento River at Tisdale | Experimental | 258497 | 25.0 | 055451, 055452, 056755, 056756 |
| 2025-05-07 | 2025-05-07 | Fall | Coleman NFH | Battle Creek at CNFH | Experimental | 77027 | 25.0 | 056753 |
| 2025-05-06 | 2025-05-06 | Fall | Mokelumne Hatchery | San Francisco at Fort Baker | Production | 251487 | 25.0 | 063181, 063182 |
| 2025-05-05 | 2025-05-05 | Fall | Feather River Hatchery | Mare Island at San Pablo Bay | Production | 86006 | 25.0 | 063257 |
| 2025-05-02 | 2025-05-02 | Fall | Feather River Hatchery | Feather River at Boyd's Pump Boat Ramp | Production | 250258 | 25.0 | 063194 |
| 2025-05-02 | 2025-05-02 | Fall | Mokelumne Hatchery | San Joaquin River at Sherman Island Net Pen | Production | 122421 | 25.0 | 063186 |
| 2025-05-01 | 2025-05-01 | Fall | Mokelumne Hatchery | San Joaquin River at Sherman Island Net Pen | Production | 127435 | 25.0 | 063185 |
| 2025-05-01 | 2025-05-01 | Fall | Nimbus Hatchery | Lower American River at Sunrise Boat Ramp | Production | 222527 | 25.0 | 063044, 063274 |
| 2025-04-30 | 2025-04-30 | Fall | Coleman NFH | Sacramento River at Colusa | Experimental | 166191 | 25.0 | 056749, 056752 |
| 2025-04-28 | 2025-04-28 | Fall | Coleman NFH | Battle Creek at CNFH | Experimental | 201894 | 25.0 | 056750, 056751 |
| 2025-04-24 | 2025-04-24 | Fall | Feather River Hatchery | Feather River at Boyd's Pump Boat Ramp | Production | 251090 | 25.0 | 063195 |
| 2025-04-23 | 2025-04-23 | Fall | Feather River Hatchery | Feather River at Gridley Boat Launch | Production | 125032 | 25.0 | 063265 |
| 2025-04-21 | 2025-04-22 | Fall | Coleman NFH | Conoco San Pablo Bay | Experimental | 280000 | 100.0 | 056767 |
| 2025-04-18 | 2025-04-18 | Fall | Mokelumne Hatchery | San Joaquin River at Sherman Island Net Pen | Production | 121361 | 25.0 | 063179 |
| 2025-04-17 | 2025-04-17 | Fall | Mokelumne Hatchery | San Joaquin River at Sherman Island Net Pen | Production | 121261 | 25.0 | 063184 |
| 2025-04-17 | 2025-04-18 | Fall | Coleman NFH | Sacramento River at Colusa Boat Ramp | Experimental | 197639 | 32.1 | 056745, 056746 |
| 2025-04-16 | 2025-04-16 | Winter | Coleman NFH | North Fork Battle Creek, Manton, CA | Jumpstart | 117225 | 100.0 | 056797, 056798, 056799 |
| 2025-04-16 | 2025-04-16 | Fall | Coleman NFH | Sacramento River at RBDD Boat Ramp | Experimental | 221603 | 100.0 | 056766 |
| 2025-04-16 | 2025-04-16 | Fall | Mokelumne Hatchery | Sacramento River at Butte City Boat Launch | Production | 130989 | 25.0 | 063183 |
| 2025-04-15 | 2025-04-15 | Fall | Coleman NFH | Battle Creek at CNFH | Production | 695170 | 32.8 | 056600, 056700, 056747, 056748, 056768, 056800 |
| 2025-04-15 | 2025-04-15 | Fall | Mokelumne Hatchery | Sacramento River at Butte City Boat Launch | Production | 256941 | 25.0 | 062177, 063178 |
| 2025-04-14 | 2025-04-14 | Fall | Feather River Hatchery | Sacramento River at Turtle Bay Boat Launch, Redding | Production | 250013 | 25.0 | 063193 |
| 2025-04-13 | 2025-04-13 | Fall | Feather River Hatchery | Sacramento River at Turtle Bay Boat Launch, Redding | Production | 251151 | 25.0 | 063192 |
| 2025-04-09 | 2025-04-09 | Spring | Feather River Hatchery | Feather River at Gridley Boat Launch | Experimental | 504304 | 49.8 | 061537, 062012, 062884 |
| 2025-02-13 | 2025-02-13 | Winter | Livingston Stone NFH | Sacramento River at John F. Reginato River Access | Production | 22712 | 100.0 | 055200 |
| 2024-12-10 | 2024-12-11 | Spring | SJ Restoration SCARF | San Joaquin River at Highway 140 | SJRRP | 4814 | 100.0 | 061969, 062609 |
| 2024-12-01 | 2025-03-31 | Spring | SJ Restoration SCARF | Owl Hollow to Thomas Farm at Reach 1 of San Joaquin River | Experimental | 2415 | 100.0 | 062193 |
| 2024-06-18 | 2024-06-18 | Fall | Feather River Hatchery | San Francisco Bay Estuary and Ocean Science Center at Tiburon | Production | 224212 | 25.0 | 062882, 063051, 063056 |
| 2024-06-17 | 2024-06-17 | Fall | Feather River Hatchery | San Francisco Bay Estuary and Ocean Science Center at Tiburon | Production | 251119 | 25.0 | 060096, 060097, 060098 |
| 2024-06-13 | 2024-06-13 | Fall | Mokelumne Hatchery | San Francisco Bay at Point San Quentin | Production | 126885 | 25.0 | 061660, 061850, 062370 |
| 2024-06-12 | 2024-06-12 | Fall | Mokelumne Hatchery | San Francisco Bay at Richmond Launch Ramp | Production | 125000 | 25.0 | 060795, 061650 |
| 2024-06-10 | 2024-06-10 | Fall | Feather River Hatchery | San Pablo Bay at CSU Maritime Academy | Production | 259496 | 24.9 | 060093, 060094, 060098, 062844 |
| 2024-06-07 | 2024-06-07 | Fall | Feather River Hatchery | Mare Island at San Pablo Bay | Production | 137945 | 20.7 | 060090, 060092 |
| 2024-06-04 | 2024-06-04 | Fall | Feather River Hatchery | Mare Island at San Pablo Bay | Production | 180350 | 28.0 | 060087, 060091 |
| 2024-06-03 | 2024-06-03 | Fall | Feather River Hatchery | Mare Island at San Pablo Bay | Production | 172697 | 33.3 | 060088, 060089 |
| 2024-06-03 | 2024-06-03 | Fall | Mokelumne Hatchery | Monterey Bay at Santa Cruz Wharf | Production | 160000 | 100.0 | 061820 |
| 2024-06-02 | 2024-06-02 | Fall | Mokelumne Hatchery | Monterey Bay at Monterey Wharf | Production | 160000 | 100.0 | 061830 |
| 2024-06-01 | 2024-06-01 | Fall | Mokelumne Hatchery | Pillar Point Harbor | Production | 62500 | 25.0 | 061840 |
| 2024-05-31 | 2024-05-31 | Fall | Nimbus Hatchery | Mare Island at San Pablo Bay | Production | 166720 | 25.0 | 061230, 063040 |
| 2024-05-29 | 2024-05-29 | Fall | Mokelumne Hatchery | San Francisco Bay at Fort Baker | Production | 125000 | 25.0 | 061690 |
| 2024-05-28 | 2024-05-28 | Fall | Nimbus Hatchery | Conoco San Pablo Bay | Production | 195000 | 25.0 | 061620 |
| 2024-05-25 | 2024-05-25 | Fall | Mokelumne Hatchery | Pillar Point Harbor | Production | 62500 | 25.0 | 061840 |
| 2024-05-24 | 2024-05-24 | Fall | Mokelumne Hatchery | San Joaquin River at Sherman Island | Production | 125750 | 25.0 | 061524, 061640 |
| 2024-05-20 | 2024-05-21 | Fall | Feather River Hatchery | Mare Island at San Pablo Bay | Production | 256538 | 24.6 | 060300 |
| 2024-05-19 | 2024-05-19 | Fall | Mokelumne Hatchery | Pillar Point Harbor | Production | 62500 | 25.0 | 061840 |
| 2024-05-17 | 2024-05-17 | Fall | Nimbus Hatchery | Mare Island at San Pablo Bay | Production | 167524 | 25.0 | 061220, 063047 |
| 2024-05-15 | 2024-05-15 | Fall | Feather River Hatchery | San Francisco Bay Estuary and Ocean Science Center at Tiburon | Production | 252779 | 25.0 | 060200 |
| 2024-05-14 | 2024-05-14 | Fall | Nimbus Hatchery | San Francisco Bay Estuary and Ocean Science Center at Tiburon | Production | 210222 | 25.0 | 061600 |
| 2024-05-12 | 2024-05-12 | Fall | Mokelumne Hatchery | San Joaquin River at Sherman Island Net Pen | Production | 125750 | 25.0 | 060450, 061630 |
| 2024-05-11 | 2024-05-11 | Fall | Mokelumne Hatchery | San Joaquin River at Sherman Island Net Pen | Production | 137500 | 25.0 | 062194 |
| 2024-05-10 | 2024-05-10 | Fall | Coleman NFH | San Francisco Bay at Richmond Launch Ramp | Production | 114963 | 25.0 | 050097 |
| 2024-05-09 | 2024-05-09 | Fall | Mokelumne Hatchery | Mokelumne River at Feist Ranch | Production | 200000 | 100.0 | 061850 |
| 2024-05-09 | 2024-05-09 | Fall | Mokelumne Hatchery | San Joaquin River at Sherman Island Net Pen | Production | 137500 | 25.0 | 062190 |
| 2024-05-07 | 2024-05-08 | Fall | Feather River Hatchery | Mare Island at San Pablo Bay | Production | 254094 | 25.1 | 060001 |
| 2024-05-07 | 2024-05-10 | Fall | Coleman NFH | San Francisco Bay at Richmond Launch Ramp | Production | 817510 | 25.0 | 050091, 050092, 050093, 050094, 050095, 050096, 050300, 050400, 050500, 056590 |
| 2024-05-05 | 2024-05-05 | Fall | Merced Fish Facility | San Joaquin River at Sherman Island Net Pen | Production | 47172 | 13.2 | 062898 |
| 2024-05-04 | 2024-05-04 | Fall | Merced Fish Facility | San Joaquin River at Sherman Island Net Pen | Production | 104888 | 21.2 | 063033 |
| 2024-05-03 | 2024-05-03 | Fall | Nimbus Hatchery | Mare Island at San Pablo Bay | Production | 172459 | 24.9 | 061200, 063048 |
| 2024-05-01 | 2024-05-01 | Fall | Coleman NFH | Sacramento River at Butte City Boat Ramp | Production | 106531 | 25.0 | 050090 |
| 2024-05-01 | 2024-05-01 | Fall | Mokelumne Hatchery | San Francisco Bay at Fort Baker | Production | 250000 | 25.0 | 061670, 061680 |
| 2024-04-29 | 2024-04-29 | Fall | Feather River Hatchery | Feather River at Gridley Boat Launch | Production | 147418 | 25.0 | 060086, 061566 |
| 2024-04-28 | 2024-04-28 | Fall | Mokelumne Hatchery | San Joaquin River at Sherman Island Net Pen | Production | 130000 | 25.0 | 062180 |
| 2024-04-27 | 2024-04-27 | Fall | Mokelumne Hatchery | San Joaquin River at Sherman Island Net Pen | Production | 130000 | 25.0 | 062170 |
| 2024-04-26 | 2024-04-26 | Fall | Mokelumne Hatchery | San Francisco Bay at Marin Rod | Production | 52198 | 25.0 | 050037, 056674 |
| 2024-04-25 | 2024-04-25 | Fall | Feather River Hatchery | Feather River at Gridley Boat Launch | Production | 141586 | 25.0 | 060085, 062083, 063041 |
| 2024-04-25 | 2024-04-25 | Fall | Mokelumne Hatchery | San Joaquin River at Sherman Island Net Pen | Production | 130000 | 25.0 | 062160 |
| 2024-04-24 | 2024-04-24 | Fall | Feather River Hatchery | Feather River at Boyd's Pump Boat Ramp | Production | 252517 | 25.0 | 060099 |
| 2024-04-23 | 2024-04-23 | Spring | Feather River Hatchery | Feather River at Boyd's Pump Boat Ramp | Production | 0 | 0.0 | 060082 |
| 2024-04-23 | 2024-04-23 | Spring | Feather River Hatchery | Feather River at Gridley Boat Launch | Production | 209997 | 100.0 | 060679, 063053, 063055 |
| 2024-04-23 | 2024-04-23 | Fall | Feather River Hatchery | Feather River at Gridley Boat Launch | Experimental | 139066 | 25.0 | 060084, 063046 |
| 2024-04-20 | 2024-04-20 | Fall | Merced Fish Facility | San Joaquin River at Sherman Island Net Pen | Production | 100365 | 26.6 | 061554 |
| 2024-04-19 | 2024-04-19 | Fall | Nimbus Hatchery | Lower American River at Sunrise Boat Ramp | Production | 210351 | 25.0 | 061500 |
| 2024-04-12 | 2024-04-12 | Fall | Coleman NFH | Battle Creek at CNFH | Production | 690441 | 25.0 | 050083, 050084, 050085, 050086, 050087, 050088, 050089 |
| 2024-04-12 | 2024-04-12 | Fall | Mokelumne Hatchery | San Joaquin River at Sherman Island Net Pen | Production | 130000 | 25.0 | 062000 |
| 2024-04-11 | 2024-04-11 | Fall | Mokelumne Hatchery | San Joaquin River at Sherman Island Net Pen | Production | 130000 | 25.0 | 061860 |
| 2024-03-29 | 2024-03-29 | Spring | Feather River Hatchery | Feather River at Boyd's Pump Boat Ramp | Production | 350055 | 100.0 | 050081 |
| 2024-03-29 | 2024-03-29 | Spring | Feather River Hatchery | Feather River at Gridley Boat Launch | Production | 350571 | 100.0 | 050079 |
| 2024-03-27 | 2024-03-27 | Fall | Coleman NFH | Battle Creek at CNFH | Production | 392778 | 25.0 | 050079, 050080, 050081, 050082, 050083 |
| 2024-03-23 | 2024-03-23 | Fall | Coleman NFH | Sacramento River at Butte City Boat Ramp | Production | 107046 | 25.0 | 050073 |
| 2024-03-21 | 2024-03-21 | Fall | Coleman NFH | Battle Creek at CNFH | Production | 712177 | 25.0 | 050070, 050071, 050072, 050074, 050075, 050076, 050077, 050078 |
| 2024-03-15 | 2024-03-15 | Spring | Feather River Hatchery | Feather River at Boyd's Pump Boat Ramp | Production | 349309 | 100.0 | 060078 |
| 2024-03-15 | 2024-03-15 | Spring | Feather River Hatchery | Feather River at Gridley Boat Launch | Production | 350545 | 100.0 | 060080 |
| 2024-03-13 | 2024-03-13 | Spring | SJ Restoration SCARF | San Joaquin River at Highway 140 | SJRRP | 142864 | 100.0 | 063060 |
| 2024-03-11 | 2024-03-11 | Winter | Coleman NFH | North Fork Battle Creek, Manton, CA | Jumpstart | 84994 | 100.0 | 050048 |
| 2024-03-04 | 2024-03-04 | Winter | Coleman NFH | North Fork Battle Creek, Manton, CA | Jumpstart | 47937 | 100.0 | 056633 |
| 2024-02-16 | 2024-02-16 | Winter | Livingston Stone NFH | Sacramento River at John F. Reginato River Access | Production | 365893 | 100.0 | 050036, 056499, 056501, 056502, 056503, 056504, 056724, 056725 |
| 2024-02-14 | 2024-02-14 | Spring | SJ Restoration SCARF | San Joaquin River at Highway 140 | SJRRP | 53446 | 100.0 | 061939 |
| 2024-01-24 | 2024-02-09 | Spring | SJ Restoration SCARF | San Joaquin River at Friant Bridge | SJRRP | 3007 | 100.0 | 0602010901 |
| 2024-01-19 | 2024-01-19 | Winter | Livingston Stone NFH | Sacramento River at John F. Reginato River Access | Production | 227527 | 100.0 | 050033, 050034, 050035 |
| 2024-01-11 | 2024-01-11 | Late-Fall | Coleman NFH | Battle Creek at CNFH | Experimental | 67018 | 100.0 | 056691 |