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Hatchery Chinook Loss Tables of Confirmed and Unconfirmed CWT and CWT Releases, 10/1/2022 to 9/30/2023


Analysis & Queries: Salvage and Loss Summary || Delta Loss || Delta Salvage || Salvage Timing || Hatchery Chinook Loss Tables and CWT Releases || Salvage and Loss Detail Table

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Jump to Chinook Tables <> Confirmed Hatchery Loss <> Mutiple Releases Confirmed Hatchery Loss <> Unconfirmed Hatchery Loss <> Hatchery Releases of Interest

Generated: 22 Sep 2023 13:15:10 PDT.
Preliminary data from Salvage and CWT Database (CDFW Bay Delta Region); subject to revision.

Confirmed Hatchery (Adipose-Fin Clipped) Chinook Salmon Loss at the SWP & CVP Delta Fish Facitilities, 10/1/2022 to 9/30/2023
Data through 2023-08-10

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
2022-05-11 2022-05-11 Spring Feather River Hatchery Mare Island San Pablo Bay Production 4.330 35496074.1 0.001 2022-12-04 2022-12-04062866
2022-12-01 2022-12-01 Late-Fall Coleman NFH Battle Creek at CNFH Production 1513.140 680963100.0 0.222 2022-12-18 2023-02-07056484, 056485, 056486, 056487, 056490, 056491, 056492, 056494, 056495, 056496, 056497
2022-12-05 2022-12-05 Late-Fall Coleman NFH Battle Creek at CNFH Experimental 127.538 71057100.0 0.179 2022-12-29 2023-01-05056488
2023-01-13 2023-01-13 Late-Fall Coleman NFH Battle Creek at CNFH Experimental 32.049 60712100.0 0.053 2023-02-07 2023-03-01056493
2023-02-23 2023-02-23 Spring SJ Restoration SCARF San Joaquin River at Fremont Ford Bridge SJRRP 3155.280 50932100.0 6.195 2023-03-09 2023-05-13063170
2023-03-16 2023-03-16 Spring SJ Restoration SCARF Eastside Bypass at El Nido Road SJRRP 5990.734 139784100.0 4.286 2023-04-03 2023-06-19063169
  1. Click on a column header to sort the table by that column.
  2. Number released with the adipose-fin clipped and a coded-wire tag (CWT).
  3. % Loss of Number Released = (Confirmed Loss/Number Released)*100.
  4. Chinook outside of the length-at-date criteria (Delta model) are not reported.
  5. The following CWT Tag Codes with confirmed recovery were used for more than 1 release group (release date, hatchery, production, race combination); the tag codes have been excluded from the table. In this dataset, there is no way to differentiate which release group was recovered if a CWT Tag Code is used for more than one. Please refer to the next table Multiple Release Groups for details.
    • 056489

Multiple Release Groups Confirmed Hatchery (Adipose-Fin Clipped) Chinook Salmon Loss at the SWP & CVP Delta Fish Facitilities, 10/1/2022 to 9/30/2023
Data through 2023-08-10

Confirmed Loss CWT Tagcodes Loss Total CWT
Number
Released
% CWT Marked of
Total
Number
Released
% Loss of
CWT
Number
Released
First Loss Last Loss CWT Number Released Release Start Release End CWT Tag Race Hatchery Release Site Release Type
056489 141.279 134753 100.0 0.210 2023-01-05 2023-01-14 66735 2022-12-23 2022-12-23 Late-Fall Coleman NFH Battle Creek at CNFH Experimental
68018 2023-03-17 2023-03-17 Winter Coleman NFH North Fork Battle Creek, Manton, CA Jumpstart
  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, 10/1/2022 to 9/30/2023
Data through 2023-08-10

Facility Loss
SWP226.636
CVP6.068
  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, 2022/2023, with no confirmed Delta Loss reported
Data through 2023-08-10

Release Start Release End CWT Tag Race Hatchery Release Site Release Type CWT
Number
Released
% CWT Marked
of Total Number Released
CWT Tagcodes
2023-08-31 2023-08-31 Spring SJ Restoration SCARF San Joaquin River at Friant Bridge Experimental 2406 100.0062945, 062946
2023-06-24 2023-06-24 Fall Feather River Hatchery San Francisco Bay at Brickyard Cove Production 201432 100.0060022
2023-06-21 2023-06-21 Fall Nimbus Hatchery Conoco San Pablo Bay Production 197688 25.0060027
2023-06-12 2023-06-12 Fall Feather River Hatchery San Francisco Bay Estuary and Ocean Science Center at Tiburon Production 249710 24.7060016, 060017, 060018
2023-06-11 2023-06-11 Fall Mokelumne Hatchery San Francisco Bay at Point San Quentin Production 195000 25.0060659, 063026
2023-06-10 2023-06-10 Fall Nimbus Hatchery San Francisco Bay Estuary and Ocean Science Center at Tiburon Production 168289 25.0060024
2023-06-09 2023-06-09 Fall Nimbus Hatchery Conoco San Pablo Bay Production 198924 25.0060025, 061568
2023-06-07 2023-06-07 Fall Feather River Hatchery Conoco San Pablo Bay Production 190717 25.0061070, 061550
2023-06-03 2023-06-03 Fall Feather River Hatchery Mare Island at San Pablo Bay Production 167989 25.0060010, 060012
2023-06-03 2023-06-03 Fall Mokelumne Hatchery Pillar Point Harbor Production 53750 25.0060031
2023-06-01 2023-06-01 Fall Mokelumne Hatchery Monterey Bay at Monterey Harbor Production 160000 100.0060029
2023-06-01 2023-06-01 Fall Nimbus Hatchery Mare Island at San Pablo Bay Production 167859 25.0060023
2023-05-31 2023-05-31 Fall Feather River Hatchery Mare Island at San Pablo Bay Production 168843 25.0060013, 060015
2023-05-31 2023-05-31 Fall Mokelumne Hatchery Monterey Bay at Santa Cruz Wharf Production 160000 100.0060030
2023-05-30 2023-05-30 Fall Mokelumne Hatchery San Francisco Bay at Fort Baker Production 150000 25.0061290, 063030
2023-05-29 2023-05-29 Fall Mokelumne Hatchery San Francisco Bay at Fort Baker Production 125000 25.0063029
2023-05-27 2023-05-27 Fall Mokelumne Hatchery Pillar Point Harbor Production 62500 25.0060031
2023-05-26 2023-05-26 Fall Feather River Hatchery San Francisco Bay Estuary and Ocean Science Center at Tiburon Production 168122 25.0060011, 060014
2023-05-24 2023-05-24 Fall Feather River Hatchery Conoco San Pablo Bay Production 254755 25.0060007, 060008, 060009
2023-05-22 2023-05-22 Fall Nimbus Hatchery Conoco San Pablo Bay Production 216392 25.0060026, 068740
2023-05-21 2023-05-21 Fall Mokelumne Hatchery Pillar Point Harbor Production 71250 25.0060031
2023-05-18 2023-05-18 Fall Merced Fish Facility San Joaquin River at Sherman Island Net Pen Production 107187 100.0060574, 061553
2023-05-17 2023-05-17 Fall Mokelumne Hatchery San Joaquin River at Sherman Island Net Pen Production 110000 25.0063009
2023-05-16 2023-05-16 Fall Nimbus Hatchery Lower American River at Sunrise Boat Ramp Production 213847 25.0060477
2023-05-15 2023-05-15 Fall Mokelumne Hatchery San Francisco Bay at Fort Baker Production 122500 25.0063028
2023-05-13 2023-05-13 Fall Mokelumne Hatchery San Francisco Bay at Fort Baker Production 105000 25.0063027
2023-05-11 2023-05-11 Fall Feather River Hatchery San Francisco Bay Estuary and Ocean Science Center at Tiburon Production 257928 25.6060973
2023-05-10 2023-05-10 Fall Mokelumne Hatchery San Joaquin River at Sherman Island Net Pen Production 110000 25.0063008
2023-05-09 2023-05-09 Fall Mokelumne Hatchery San Joaquin River at Sherman Island Direct Production 110000 25.0063007
2023-05-08 2023-05-08 Fall Feather River Hatchery Conoco San Pablo Bay Production 252261 25.0060019
2023-05-08 2023-05-08 Fall Merced Fish Facility San Joaquin River at Sherman Island Net Pen Production 61922 100.0061553
2023-05-04 2023-05-04 Fall Coleman NFH Battle Creek at CNFH Production 159936 25.0056719, 056720
2023-05-04 2023-05-04 Fall Merced Fish Facility San Joaquin River at Sherman Island Net Pen Production 39333 100.0061934
2023-05-03 2023-05-03 Fall Mokelumne Hatchery San Joaquin River at Sherman Island Net Pen Production 112500 25.0063006
2023-05-01 2023-05-02 Fall Feather River Hatchery Mare Island at San Pablo Bay Production 250631 25.0060020
2023-04-24 2023-04-24 Winter Coleman NFH North Fork Battle Creek, Manton, CA Jumpstart 77416 100.0056515, 056541
2023-04-24 2023-04-25 Fall Coleman NFH Battle Creek at CNFH Production 2348768 25.0056696, 056697, 056698, 056699, 056701, 056702, 056703, 056704, 056705, 056706, 056707, 056708, 056709, 056710, 056711, 056712, 056713, 056714, 056715, 056716, 056717, 056718
2023-04-21 2023-04-21 Fall Feather River Hatchery Feather River at Boyd's Pump Boat Ramp Production 252116 25.0060021
2023-04-21 2023-04-21 Fall Feather River Hatchery Feather River at Gridley Boat Launch Production 126074 25.0062883
2023-04-18 2023-04-18 Fall Mokelumne Hatchery San Joaquin River at Sherman Island Net Pen Production 110000 25.0063003
2023-04-11 2023-04-11 Spring Feather River Hatchery Feather River at Boyd's Pump Boat Ramp Production 450885 100.0062081, 062308, 062369, 063065
2023-04-11 2023-04-11 Spring Feather River Hatchery Feather River at Gridley Boat Launch Production 430995 100.0060791, 063066
2023-04-11 2023-04-11 Fall Feather River Hatchery Feather River at Gridley Boat Launch Production 126934 25.0060660
2023-03-29 2023-03-29 Fall Coleman NFH Battle Creek at CNFH Production 400897 25.0056675, 056692, 056693, 056694, 056695
2023-03-24 2023-03-24 Spring Feather River Hatchery Feather River at Boyd's Pump Boat Ramp Production 362343 100.0063064
2023-03-24 2023-03-24 Spring Feather River Hatchery Feather River at Gridley Boat Launch Production 366243 100.0063063
2023-03-17 2023-03-17 Winter Coleman NFH North Fork Battle Creek, Manton, CA Jumpstart 29116 100.0056498
2023-03-16 2023-03-16 Spring Feather River Hatchery Feather River at Boyd's Pump Boat Ramp Production 366267 100.0063061
2023-03-16 2023-03-16 Spring Feather River Hatchery Feather River at Gridley Boat Launch Production 365190 100.0063062
2023-03-15 2023-03-15 Fall Feather River Hatchery Sutter Bypass, Sacramento Ave Experimental 8601 3.2NA
2023-03-01 2023-03-01 Winter Livingston Stone NFH Sacramento River at John F. Reginato River Access Production 299866 100.0055892, 056586, 056587, 056588
2023-01-26 2023-01-27 Winter Livingston Stone NFH Sacramento River at John F. Reginato River Access Production 432458 100.0056521, 056522, 056523, 056524, 056586
2022-12-08 2022-12-08 Spring SJ Restoration SCARF San Joaquin River at Highway 140 SJRRP 4577 100.0061968, 062944
2022-06-22 2022-06-22 Fall Mokelumne Hatchery San Francisco Bay at Fort Baker Production 175000 25.0061936, 062950
2022-06-20 2022-06-20 Fall Feather River Hatchery San Francisco Bay at San Quentin Production 264830 25.0061532, 061948, 062897
2022-06-19 2022-06-19 Fall Feather River Hatchery San Francisco Bay at Brickyard Cove Production 200126 100.0062384
2022-06-18 2022-06-18 Fall Mokelumne Hatchery Pillar Point Production 62500 25.0062954
2022-06-17 2022-06-17 Fall Feather River Hatchery Conoco San Pablo Bay Production 182841 24.5061951, 062895
2022-06-16 2022-06-16 Fall Nimbus Hatchery Conoco San Pablo Bay Production 233148 25.0061209, 062970
2022-06-11 2022-06-11 Fall Mokelumne Hatchery Pillar Point Production 62500 25.0062954
2022-06-09 2022-06-09 Fall Feather River Hatchery San Francisco Bay at Fort Baker Production 256698 24.9060680, 062884, 062891
2022-06-07 2022-06-07 Fall Feather River Hatchery San Francisco Bay at Fort Baker Production 252118 24.9062889, 062892, 062893
2022-06-06 2022-06-06 Fall Nimbus Hatchery Mare Island San Pablo Bay Production 175099 25.0062966, 068708
2022-06-05 2022-06-05 Fall Mokelumne Hatchery Pillar Point Production 62500 25.0062954
2022-06-04 2022-06-04 Fall Feather River Hatchery San Francisco Bay at San Quentin Production 251834 25.0060886, 060896, 062890
2022-06-02 2022-06-02 Fall Nimbus Hatchery Mare Island San Pablo Bay Production 218345 25.0062968, 068665
2022-05-27 2022-05-27 Fall Mokelumne Hatchery San Francisco Bay at Fort Baker Production 122875 25.0061280, 061533
2022-05-26 2022-05-26 Fall Mokelumne Hatchery Monterey Pier Production 160000 100.0062952
2022-05-26 2022-05-26 Fall Nimbus Hatchery Mare Island San Pablo Bay Production 167000 25.0062967
2022-05-25 2022-05-25 Fall Feather River Hatchery Mare Island San Pablo Bay Production 167847 25.0060887, 060888
2022-05-25 2022-05-25 Fall Mokelumne Hatchery Santa Cruz Wharf Production 160000 100.0062953
2022-05-24 2022-05-24 Fall Mokelumne Hatchery San Francisco Bay at Fort Baker Production 121250 25.0062949
2022-05-21 2022-05-21 Fall Mokelumne Hatchery Sherman Island Net Pen Production 108750 25.0062964
2022-05-20 2022-05-20 Fall Mokelumne Hatchery Sherman Island Net Pen Production 108750 25.0062961
2022-05-19 2022-05-19 Fall Feather River Hatchery Conoco San Pablo Bay Production 255215 25.1061957
2022-05-18 2022-05-18 Fall Nimbus Hatchery Conoco San Pablo Bay Production 210000 25.0062969
2022-05-15 2022-05-16 Fall Feather River Hatchery Mare Island San Pablo Bay Production 249321 25.0061958
2022-05-13 2022-05-13 Fall Mokelumne Hatchery San Joaquin River at Sherman Island Production 108750 25.0062960
2022-05-10 2022-05-10 Spring Feather River Hatchery Mare Island San Pablo Bay Production 363448 75.7062865
2022-05-06 2022-05-06 Fall Mokelumne Hatchery San Francisco Bay at Fort Baker Production 121250 25.0062948
2022-05-05 2022-05-05 Fall Mokelumne Hatchery San Joaquin River at Sherman Island Net Pen Production 108750 250.0062959
2022-05-04 2022-05-04 Fall Mokelumne Hatchery San Joaquin River at Sherman Island Net Pen Production 108750 250.0062958
2022-04-29 2022-04-29 Fall Nimbus Hatchery Mare Island San Pablo Bay Production 166000 25.0062965
2022-04-28 2022-04-28 Fall Mokelumne Hatchery San Joaquin River at Sherman Island Production 109000 25.0062957
2022-04-27 2022-04-27 Fall Merced Fish Facility Sherman Island Net Pen Production 88738 100.0061527, 061587
2022-04-20 2022-04-20 Fall Mokelumne Hatchery San Joaquin River at Sherman Island Production 109000 25.0062956
2022-04-19 2022-04-19 Fall Mokelumne Hatchery San Joaquin River at Sherman Island Production 109000 25.0062955
2022-04-14 2022-04-14 Fall Coleman NFH Battle Creek at CNFH Production 444866 25.0056624, 056625, 056626, 056627
2022-04-07 2022-04-07 Fall Coleman NFH Sacramento River at Butte City Boat Ramp Experimental 167770 100.0056628, 056631
2022-04-05 2022-04-05 Fall Coleman NFH Battle Creek at CNFH Experimental 171324 100.0056629, 056630
2022-03-31 2022-04-01 Fall Coleman NFH Battle Creek at CNFH Production 1058439 25.1056614, 056615, 056616, 056617, 056618, 056619, 056620, 056621, 056622, 056623
2022-03-30 2022-03-30 Spring Feather River Hatchery Feather River at Boyd's Pump Boat Ramp Production 370628 50.0062863
2022-03-30 2022-03-30 Spring Feather River Hatchery Feather River at Gridley Boat Ramp Production 358571 50.0062864
2022-03-30 2022-03-30 Spring SJ Restoration SCARF San Joaquin River at Highway 140 SJRRP 4489 100.0062347
2022-03-18 2022-03-18 Fall Coleman NFH Battle Creek at CNFH Production 749368 25.1056607, 056608, 056609, 056610, 056611, 056612, 056613
2022-03-18 2022-03-18 Spring SJ Restoration SCARF San Joaquin River at Highway 140 SJRRP 20598 100.0062206
2022-03-16 2022-03-17 Winter Coleman NFH North Fork Battle Creek, Manton, CA Jumpstart 136958 100.0055891, 056596, 056597, 056598, 056632
2022-03-15 2022-03-15 Fall Coleman NFH Battle Creek at CNFH Production 719838 25.1056599, 056601, 056602, 056603, 056604, 056605, 056606
2022-03-15 2022-03-16 Spring SJ Restoration SCARF San Joaquin River at Highway 140 SJRRP 108810 100.0061867
2022-03-02 2022-03-02 Winter Livingston Stone NFH Sacramento River, Caldwell Park, Redding, CA Production 396310 100.0056177, 056178, 056179, 056507, 056508, 056509, 056511, 056512, 056513
2022-02-23 2022-02-24 Winter Coleman NFH Sacramento River at Sycamore Grove Boat Launch Experimental (Jumpstart) 200 100.0056596
2022-02-14 2022-02-14 Spring SJ Restoration SCARF San Joaquin River at Highway 140 SJRRP 57478 100.0061555
2022-02-09 2022-02-09 Winter Livingston Stone NFH Sacramento River, Caldwell Park, Redding, CA Production 123975 100.0055858, 056510
2022-02-02 2022-02-02 Winter Coleman NFH Sacramento River at Sycamore Grove Boat Launch Experimental (Jumpstart) 200 100.0056596
2022-02-01 2022-05-31 Spring SJ Restoration SCARF San Joaquin Restoration Area RST Efficiency Trials 22184 100.0062943
2022-01-06 2022-01-06 Late-Fall Coleman NFH Battle Creek at CNFH Experimental 77325 100.0056471
  1. Click on a column header to sort the table by that column.

Data Set Notes:

  1. We obtain salvage data from Fish Salvage Monitoring, CDFW Bay Delta Region
    • 20 April 2018: Due to an update strategy based on unique row identifiers, the SacPAS database occasionally accumulated duplicate rows of salvage data at the SWP and CVP. This resulted in salvage and loss numbers inflated by approximately 20% during the season (February-April, 2018). We have improved our data assimilation process and now report salvage and loss in line with the numbers from CDFW-Bay Delta Region. We would like to thank Geir Aasen at CDFW for his assistance in identifying and resolving this issue with SacPAS salvage and loss calculations.
  2. We obtain Export data from two sources:
    • Acrefeet in the database posted to https://filelib.wildlife.ca.gov/Public/Salvage/
    • CFS from the CDEC sites HRO (for SWP) and TRP (for CVP) - 7 day window loaded daily
  3. The Delta Outflow, Sacramento River and San Joaquin River flow data are obtained from two sources:
    • CFS from CDEC for FPT (for Sacramento River), VNS (for San Joaquin River), DTO (for Delta Outflow) - 7 day window loaded daily
    • CFS for FPT+SRWTP, VNS, and NDOI from DWR operations control documents posted to http://www.water.ca.gov/swp/operationscontrol/deltaops.cfm - 30 day PDF window loaded daily
  4. The Cross Channel Status is obtained from the log and change order PDFs located at https://www.usbr.gov/mp/cvo/ - The Cross Channel condition is checked daily via the "Latest Cross Channel Gate Order", and updates are extracted from the PDF log which is published at https://www.usbr.gov/mp/cvo/
  5. On a daily basis, SacPAS calculates the OMR tidally filtered flow and the OMR index based on methods as described in:
    California Department of Water Resources (DWR). 2017. Old and Middle River Flow Review: USGS Gauge Readings versus Index Calculations for 2011 through 2017. Online: http://deltacouncil.ca.gov/docs/old-and-middle-river-flow-review-usgs-gauge-readings-versus-index-calculations-2011-through
    See OMR Tidally Filtered Flow and Index Calculations as performed by SacPAS for full details. SacPAS calculated OMR Index is available for 28 October 2016 to the present.

Citation
Columbia Basin Research, University of Washington. (2023). SacPAS Hatchery Chinook Loss Tables of Confirmed and Unconfirmed CWT and CWT Releases. Available from www.cbr.washington.edu/sacramento/data/delta_cwt_tables.html
Generated: 22 Sep 2023 13:15:10 PDT. www.cbr.washington.edu/sacramento/data/.

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