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Hatchery Chinook Loss Tables of Confirmed and Unconfirmed CWT and CWT Releases WY2025

Data Courtesy of CDFW, Bay Delta Region
Juvenile Salvage & Loss Queries



Confirmed Hatchery (Adipose-Fin Clipped) Chinook Salmon Loss at the SWP & CVP Delta Fish Facitilities, 10/1/2024 to 9/30/2025 , Data through 2024-12-19
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
2024-11-20 2024-11-20 Late-Fall Coleman NFH Battle Creek at CNFH Production 757.064 624516100.0 0.121 2024-11-29 2024-12-18050039, 050040, 050041, 050042, 050043, 050044, 052900, 053300, 053400, 053500
2024-11-25 2024-11-25 Late-Fall Coleman NFH Battle Creek at CNFH Experimental 20.816 67422100.0 0.031 2024-12-04 2024-12-09053200
2024-12-10 2024-12-11 Spring SJ Restoration SCARF San Joaquin River at Highway 140 SJRRP 2.882 5201100.0 0.055 2024-12-18 2024-12-18060700
  1. Number released with the adipose-fin clipped and a coded-wire tag (CWT).
  2. % Loss of Number Released = (Confirmed Loss/Number Released)*100.
  3. 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 2024-12-19
SWP:  NA
CVP:  21.244
  1. 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).
Hatchery (Adipose-Fin Clipped) Chinook Salmon CWT Releases of Interest, 2024/2025, with no confirmed Delta Loss reported , Data through 2024-12-19
Release Start Release End CWT Tag Race Hatchery Release Site Release Type CWT
Number
Released
% CWT Marked
of Total Number Released
CWT Tagcodes
2024-12-13 2024-12-13 Late-Fall Coleman NFH Battle Creek at CNFH Production 77355 100.0053100
2024-12-10 2024-12-11 Spring SJ Restoration SCARF San Joaquin River at Highway 140 SJRRP 4814 100.0061969, 062609
2024-06-18 2024-06-18 Fall Feather River Hatchery San Francisco Bay Estuary and Ocean Science Center at Tiburon Production 224212 25.0062882, 063051, 063056
2024-06-17 2024-06-17 Fall Feather River Hatchery San Francisco Bay Estuary and Ocean Science Center at Tiburon Production 251119 25.0060096, 060097, 060098
2024-06-13 2024-06-13 Fall Mokelumne Hatchery San Francisco Bay at Point San Quentin Production 126885 25.0061660, 061850, 062370
2024-06-12 2024-06-12 Fall Mokelumne Hatchery San Francisco Bay at Richmond Launch Ramp Production 125000 25.0060795, 061650
2024-06-10 2024-06-10 Fall Feather River Hatchery San Pablo Bay at CSU Maritime Academy Production 259496 24.9060093, 060094, 060098, 062844
2024-06-07 2024-06-07 Fall Feather River Hatchery Mare Island at San Pablo Bay Production 137945 20.7060090, 060092
2024-06-04 2024-06-04 Fall Feather River Hatchery Mare Island at San Pablo Bay Production 180350 28.0060087, 060091
2024-06-03 2024-06-03 Fall Feather River Hatchery Mare Island at San Pablo Bay Production 172697 33.3060088, 060089
2024-06-03 2024-06-03 Fall Mokelumne Hatchery Monterey Bay at Santa Cruz Wharf Production 160000 100.0061820
2024-06-02 2024-06-02 Fall Mokelumne Hatchery Monterey Bay at Monterey Wharf Production 160000 100.0061830
2024-06-01 2024-06-01 Fall Mokelumne Hatchery Pillar Point Harbor Production 62500 25.0061840
2024-05-31 2024-05-31 Fall Nimbus Hatchery Mare Island at San Pablo Bay Production 166720 25.0061230, 063040
2024-05-29 2024-05-29 Fall Mokelumne Hatchery San Francisco Bay at Fort Baker Production 250000 25.0061690, 061800
2024-05-28 2024-05-28 Fall Nimbus Hatchery Conoco San Pablo Bay Production 195000 25.0061620
2024-05-25 2024-05-25 Fall Mokelumne Hatchery Pillar Point Harbor Production 62500 25.0061840
2024-05-24 2024-05-24 Fall Mokelumne Hatchery San Joaquin River at Sherman Island Production 125750 25.0061524, 061640
2024-05-20 2024-05-21 Fall Feather River Hatchery Mare Island at San Pablo Bay Production 256538 24.6060300
2024-05-19 2024-05-19 Fall Mokelumne Hatchery Pillar Point Harbor Production 62500 25.0061840
2024-05-17 2024-05-17 Fall Nimbus Hatchery Mare Island at San Pablo Bay Production 167524 25.0061220, 063047
2024-05-15 2024-05-15 Fall Feather River Hatchery San Francisco Bay Estuary and Ocean Science Center at Tiburon Production 252779 25.0060200
2024-05-14 2024-05-14 Fall Nimbus Hatchery San Francisco Bay Estuary and Ocean Science Center at Tiburon Production 210222 25.0061600
2024-05-12 2024-05-12 Fall Mokelumne Hatchery San Joaquin River at Sherman Island Net Pen Production 125750 25.0060450, 061630
2024-05-11 2024-05-11 Fall Mokelumne Hatchery San Joaquin River at Sherman Island Net Pen Production 137500 25.0062194
2024-05-10 2024-05-10 Fall Coleman NFH San Francisco Bay at Richmond Launch Ramp Production 114963 25.0050097
2024-05-09 2024-05-09 Fall Mokelumne Hatchery Mokelumne River at Feist Ranch Production 200000 100.0061850
2024-05-09 2024-05-09 Fall Mokelumne Hatchery San Joaquin River at Sherman Island Net Pen Production 137500 25.0062190
2024-05-07 2024-05-08 Fall Feather River Hatchery Mare Island at San Pablo Bay Production 254094 25.1060001
2024-05-07 2024-05-10 Fall Coleman NFH San Francisco Bay at Richmond Launch Ramp Production 817510 25.0050091, 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 13.2062898
2024-05-04 2024-05-04 Fall Merced Fish Facility San Joaquin River at Sherman Island Net Pen Production 104888 21.2063033
2024-05-03 2024-05-03 Fall Nimbus Hatchery Mare Island at San Pablo Bay Production 172459 24.9061200, 063048
2024-05-01 2024-05-01 Fall Coleman NFH Sacramento River at Butte City Boat Ramp Production 106531 25.0050090
2024-05-01 2024-05-01 Fall Mokelumne Hatchery San Francisco Bay at Fort Baker Production 250000 25.0061670, 061680
2024-04-29 2024-04-29 Fall Feather River Hatchery Feather River at Gridley Boat Launch Production 147418 25.0060086, 061566
2024-04-28 2024-04-28 Fall Mokelumne Hatchery San Joaquin River at Sherman Island Net Pen Production 130000 25.0062180
2024-04-27 2024-04-27 Fall Mokelumne Hatchery San Joaquin River at Sherman Island Net Pen Production 130000 25.0062170
2024-04-26 2024-04-26 Fall Mokelumne Hatchery San Francisco Bay at Marin Rod Production 52198 25.0050037, 056674
2024-04-25 2024-04-25 Fall Feather River Hatchery Feather River at Gridley Boat Launch Production 141586 25.0060085, 062083, 063041
2024-04-25 2024-04-25 Fall Mokelumne Hatchery San Joaquin River at Sherman Island Net Pen Production 130000 25.0062160
2024-04-24 2024-04-24 Fall Feather River Hatchery Feather River at Boyd's Pump Boat Ramp Production 252517 25.0060099
2024-04-23 2024-04-23 Spring Feather River Hatchery Feather River at Boyd's Pump Boat Ramp Production 0 0.0060082
2024-04-23 2024-04-23 Spring Feather River Hatchery Feather River at Gridley Boat Launch Production 209997 100.0060679, 063053, 063055
2024-04-23 2024-04-23 Fall Feather River Hatchery Feather River at Gridley Boat Launch Experimental 139066 25.0060084, 063046
2024-04-20 2024-04-20 Fall Merced Fish Facility San Joaquin River at Sherman Island Net Pen Production 100365 26.6061554
2024-04-19 2024-04-19 Fall Nimbus Hatchery Lower American River at Sunrise Boat Ramp Production 210351 25.0061500
2024-04-12 2024-04-12 Fall Coleman NFH Battle Creek at CNFH Production 690441 25.0050083, 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 25.0062000
2024-04-11 2024-04-11 Fall Mokelumne Hatchery San Joaquin River at Sherman Island Net Pen Production 130000 25.0061860
2024-03-29 2024-03-29 Spring Feather River Hatchery Feather River at Boyd's Pump Boat Ramp Production 350055 100.0050081
2024-03-29 2024-03-29 Spring Feather River Hatchery Feather River at Gridley Boat Launch Production 350571 100.0050079
2024-03-27 2024-03-27 Fall Coleman NFH Battle Creek at CNFH Production 392778 25.0050079, 050080, 050081, 050082, 050083
2024-03-23 2024-03-23 Fall Coleman NFH Sacramento River at Butte City Boat Ramp Production 107046 25.0050073
2024-03-21 2024-03-21 Fall Coleman NFH Battle Creek at CNFH Production 712177 25.0050070, 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 100.0060078
2024-03-15 2024-03-15 Spring Feather River Hatchery Feather River at Gridley Boat Launch Production 350545 100.0060080
2024-03-13 2024-03-13 Spring SJ Restoration SCARF San Joaquin River at Highway 140 SJRRP 142864 100.0063060
2024-03-11 2024-03-11 Winter Coleman NFH North Fork Battle Creek, Manton, CA Jumpstart 84994 100.0050048
2024-03-04 2024-03-04 Winter Coleman NFH North Fork Battle Creek, Manton, CA Jumpstart 47937 100.0056633
2024-03-01 2024-05-31 Spring SJ Restoration SCARF Owl Hollow to Thomas Farm at Reach 1 of San Joaquin River SJRRP 19686 100.0062870
2024-02-16 2024-02-16 Winter Livingston Stone NFH Sacramento River at John F. Reginato River Access Production 365893 100.0050036, 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 100.0061939
2024-01-24 2024-02-09 Spring SJ Restoration SCARF San Joaquin River at Friant Bridge SJRRP 3007 100.00602010901
2024-01-19 2024-01-19 Winter Livingston Stone NFH Sacramento River at John F. Reginato River Access Production 227527 100.0050033, 050034, 050035
2024-01-11 2024-01-11 Late-Fall Coleman NFH Battle Creek at CNFH Experimental 67018 100.0056691
Query Notes