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Hatchery Chinook Loss Tables of Confirmed and Unconfirmed CWT and CWT Releases, 10/1/2020 to 7/31/2021


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 <> Unconfirmed Hatchery Loss <> Hatchery Releases of Interest

Generated: 05 Mar 2021 17:15:17 PST.
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, 10/1/2020 to 7/31/2021
Data through 2021-03-04

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
2021-01-04 2021-01-04 Late-Fall Coleman NFH Battle Creek at CNFH Production 54.892 297642100.0 0.018 2021-02-02 2021-03-03056349, 056350, 056353, 056355, 056357
2021-01-22 2021-01-22 Late-Fall Coleman NFH Battle Creek at CNFH Experimental 6.401 57357100.0 0.011 2021-02-10 2021-02-21056360
  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.

Unconfirmed Hatchery (Adipose-Fin Clipped) Chinook Salmon Loss at the SWP & CVP Delta Fish Facitilities, 10/1/2020 to 7/31/2021
Data through 2021-03-04

Facility Loss
SWP18.060
CVP3.519
  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, 2020/2021, with no confirmed Delta Loss reported
Data through 2021-03-04

Release Start Release End CWT Tag Race Hatchery Release Site Release Type CWT
Number
Released
% CWT Marked
of Total Number Released
CWT Tagcodes
2021-03-08 2021-03-08 Winter LNFH North Fork Battle Creek at Wildcat Road Bridge, Manton, CA Jumpstart 79024 100.0055779
2021-03-02 2021-03-02 Spring SJ Restoration SCARF San Joaquin River at Highway 141 SJRRP 118041 100.06/18/2010
2021-02-01 2021-02-01 Winter Coleman NFH North Fork Battle Creek at Wildcat Road Bridge, Manton, CA Jumpstart 53620 100.0055890
2021-01-30 2021-01-30 Winter LNFH Sacramento River at Caldwell Park Boat Ramp, Redding, CA Production 302166 100.0056532, 056533, 056534, 056535, 056536, 056537
2021-01-29 2021-01-29 Late-Fall Coleman NFH Battle Creek at CNFH Experimental 64807 100.0056358
2021-01-26 2021-01-26 Spring SJ Restoration SCARF San Joaquin River at Highway 140 SJRRP 53690 100.06/22/2005
2021-01-08 2021-01-08 Late-Fall Coleman NFH Battle Creek at CNFH Experimental 66912 100.0056359
2021-01-04 2021-01-04 Late-Fall Coleman NFH Battle Creek at CNFH Production 388152 100.0056347, 056348, 056351, 056352, 056354, 056356
2020-12-03 2020-12-03 Spring SJ Restoration SCARF San Joaquin River at Highway 140 SJRRP 5094 100.06/19/1966, 6/5/2022
2020-06-20 2020-06-20 Fall Mokelumne Hatchery Pillar Point Harbor 62500 25.0062058
2020-06-13 2020-06-13 Fall Mokelumne Hatchery Pillar Point Harbor 62500 25.0062058
2020-06-11 2020-06-11 Fall Mokelumne Hatchery Fort Baker 121250 25.0061541
2020-06-07 2020-06-07 Fall Mokelumne Hatchery Pillar Point Harbor 62500 25.0062058
2020-05-28 2020-05-28 Fall Mokelumne Hatchery Fort Baker 121250 25.0062061
2020-05-26 2020-05-26 Fall Mokelumne Hatchery Sherman Island Net Pen 62500 25.0061531
2020-05-24 2020-05-24 Fall Feather River Hatchery Mare Island 153630 25.0061530, 061596
2020-05-23 2020-05-23 Fall Feather River Hatchery Mare Island 169020 25.0061594, 061595
2020-05-21 2020-05-21 Fall NFH Mare Island 152989 25.0060992, 062056
2020-05-20 2020-05-20 Fall Mokelumne Hatchery Monterey Wharf 160000 91.4061579
2020-05-20 2020-05-20 Fall NFH Mare Island 145387 25.0062055
2020-05-19 2020-05-19 Fall Mokelumne Hatchery Sherman Island Net Pen 112500 25.0061499
2020-05-14 2020-05-14 Fall Mokelumne Hatchery Fort Baker 121250 25.0062060
2020-05-13 2020-05-13 Fall Mokelumne Hatchery Santa Cruz Wharf 160000 91.4061578
2020-05-12 2020-05-12 Fall Mokelumne Hatchery Sherman Island Net Pen 112500 25.0062069
2020-05-11 2020-05-11 Fall Mokelumne Hatchery Sherman Island Net Pen 112500 25.0062068
2020-05-09 2020-05-09 Fall Feather River Hatchery Mare Island 88146 25.0061590
2020-05-08 2020-05-08 Fall Feather River Hatchery Mare Island 83994 25.0061589
2020-05-07 2020-05-07 Fall Feather River Hatchery Mare Island 84429 25.0062088
2020-05-06 2020-05-06 Fall Merced Fish Facility Sherman Island Net Pen Tagging unable to occur due to COVID-19 concerns 0 0.0NA
2020-05-06 2020-05-06 Fall NFH Sunrise Boat Ramp 398760 25.0062052, 062053
2020-05-05 2020-05-05 Fall NFH Mare Island 157424 25.0060720, 062054
2020-05-04 2020-05-04 Fall Mokelumne Hatchery Sherman Island Net Pen 112500 25.0062067
2020-05-02 2020-05-03 Fall Feather River Hatchery Mare Island 263717 25.0062050
2020-04-30 2020-04-30 Fall Mokelumne Hatchery Fort Baker 121250 25.0062059
2020-04-28 2020-04-28 Fall Mokelumne Hatchery Sherman Island Net Pen 112500 25.0062066
2020-04-27 2020-04-27 Fall Mokelumne Hatchery Sherman Island Net Pen 112500 25.0062065
2020-04-23 2020-04-24 Fall Feather River Hatchery Mare Island 249111 25.0062049
2020-04-22 2020-04-22 Fall Coleman NFH Battle Creek at CNFH Production Release 795612 25.0056421, 056423, 056424, 056425, 056426, 056427, 056428
2020-04-22 2020-04-22 Fall NFH Sunrise Boat Ramp 200050 25.0062051
2020-04-21 2020-04-21 Fall Merced Fish Facility Sherman Island Net Pen 8279 1.4061868
2020-04-20 2020-04-20 Fall Mokelumne Hatchery Sherman Island Net Pen 112500 25.0062064
2020-04-16 2020-04-16 Fall Feather River Hatchery Boyd's Pump Boat Ramp Production Release 250258 25.0062048
2020-04-14 2020-04-14 Fall Mokelumne Hatchery Sherman Island Net Pen 112500 25.0062062
2020-04-13 2020-04-13 Fall Mokelumne Hatchery Sherman Island Net Pen 112500 25.0062062
2020-04-07 2020-04-07 Spring Feather River Hatchery Feather River Boyd's Pump 518722 100.0060503, 062044
2020-04-07 2020-04-07 Spring Feather River Hatchery Feather River Live Oak Boat Ramp 530147 100.0060502, 062045
2020-04-07 2020-04-07 Spring SJ Restoration SCARF San Joaquin River at Highway 140 10509 100.0061965, 068020
2020-04-06 2020-04-06 Fall Merced Fish Facility Sherman Island Net Pen 101689 25.7062006
2020-04-03 2020-04-03 Fall Coleman NFH Battle Creek at CNFH Production Release 624962 25.0056416, 056417, 056418, 056419, 056420, 056422
2020-03-30 2020-03-30 Fall NFH Sunrise Boat Ramp 200000 100.0062057
2020-03-24 2020-03-24 Fall Coleman NFH Battle Creek at CNFH Production Release 375540 100.0056430, 056431, 056432, 056433
2020-03-23 2020-03-23 Winter Coleman NFH North Fork Battle Creek, Wildcat Road Bridge, Manton, CA. Captive Broodstock 168650 100.0056433, 056434, 056435
2020-03-23 2020-03-23 Winter Livingston Stone NFH Sacramento River, Caldwell Park, Redding, CA. 97505 100.0055888, 055889
2020-03-23 2020-03-24 Fall Coleman NFH Battle Creek at CNFH Production Release 1585843 25.0056401, 056402, 056403, 056404, 056405, 056406, 056407, 056408, 056409, 056410, 056411, 056412, 056413, 056414, 056415
2020-03-17 2020-03-17 Spring Feather River Hatchery Feather River Boyd's Pump 336947 100.0062043
2020-03-17 2020-03-17 Spring Feather River Hatchery Feather River Gridley Boat Ramp 349829 100.0062042
2020-03-16 2020-03-16 Spring SJ Restoration SCARF San Joaquin River at Highway 140 SJRRP 89784 100.0060767, 061441
2020-03-10 2020-03-10 Winter Livingston Stone NFH Sacramento River, Caldwell Park, Redding, CA. 152809 100.0055778, 055887
2020-02-10 2020-02-10 Spring SJ Restoration SCARF San Joaquin River at Highway 140 SJRRP 53089 100.0060936
2020-02-03 2020-02-03 Spring SJ Restoration SCARF San Joaquin River at Highway 140 SJRRP 49677 100.0060768
2020-01-23 2020-01-23 Spring SJ Restoration SCARF San Joaquin River at Highway 140 SJRRP 900 100.0060554, 061446, 061447
2020-01-13 2020-01-13 Late-Fall Coleman NFH Battle Creek Experimental Spring Yearling Surrogates #3 77866 100.0056256
2020-01-06 2020-01-06 Spring SJ Restoration SCARF Owl Hollow and Scout Island 1200 100.00601080605
2020-01-01 2020-05-31 Spring SJ Restoration SCARF Owl Hollow and Scout Island 28302 100.0060555, 060556, 060557
  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 Access database posted to ftp://ftp.dfg.ca.gov/salvage/ - the entire record is loaded daily
    • 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. (2021). SacPAS Hatchery Chinook Loss Tables of Confirmed and Unconfirmed CWT and CWT Releases. Available from http://www.cbr.washington.edu/sacramento/data/delta_cwt_tables.html
Generated: 05 Mar 2021 17:15:17 PST. www.cbr.washington.edu/sacramento/data/.

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SacPAS: Central Valley Prediction & Assessment of Salmon, University of Washington, Columbia Basin Research, www.cbr.washington.edu/sacramento/