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Hatchery Chinook Loss Tables of Confirmed and Unconfirmed CWT and CWT Releases, 10/1/2019 to 7/31/2020


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: 30 Nov 2020 16:13:18 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, 10/1/2019 to 7/31/2020
Data through 2020-07-31

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
2019-12-05 2019-12-05 Late-Fall Coleman NFH Battle Creek Late-Fall Production 64.093 710654100.0 0.009 2019-12-15 2020-01-13056250, 056251, 056252, 056253, 056257, 056260, 056261, 056262, 056263
2019-12-09 2019-12-09 Late-Fall Coleman NFH Battle Creek Experimental Spring Yearling Surrogates #1 20.222 84869100.0 0.024 2019-12-22 2020-01-09056254
2019-12-18 2019-12-18 Late-Fall Coleman NFH Battle Creek Experimental Spring Yearling Surrogates #2 25.043 77672100.0 0.032 2020-01-01 2020-01-04056255
2020-01-01 2020-05-31 Spring SJ Restoration SCARF Owl Hollow and Scout Island 3.519 10727100.0 0.033 2020-04-15 2020-04-15060555
2020-02-03 2020-02-03 Spring SJ Restoration SCARF San Joaquin River at Highway 140 SJRRP 480.327 49677100.0 0.967 2020-03-17 2020-04-25060768
2020-02-10 2020-02-10 Spring SJ Restoration SCARF San Joaquin River at Highway 140 SJRRP 214.474 53089100.0 0.404 2020-03-23 2020-05-01060936
2020-03-16 2020-03-16 Spring SJ Restoration SCARF San Joaquin River at Highway 140 SJRRP 540.599 89784100.0 0.602 2020-03-23 2020-05-05060767, 061441
2020-03-17 2020-03-17 Spring Feather River Hatchery Feather River Boyd's Pump 3.007 336947100.0 0.001 2020-04-10 2020-04-10062043
2020-03-23 2020-03-24 Fall Coleman NFH Battle Creek at CNFH Production Release 3.007 10914725.0 0.003 2020-04-10 2020-04-10056402
2020-04-07 2020-04-07 Spring SJ Restoration SCARF San Joaquin River at Highway 140 89.661 10509100.0 0.853 2020-04-11 2020-05-04061965, 068020
2020-04-22 2020-04-22 Fall NFH Sunrise Boat Ramp 3.007 20005025.0 0.002 2020-04-29 2020-04-29062051
  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.
    • 060554

Multiple Release Groups Confirmed Hatchery (Adipose-Fin Clipped) Chinook Salmon Loss at the SWP & CVP Delta Fish Facitilities, 10/1/2019 to 7/31/2020
Data through 2020-07-31

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
060554 88.303 9429 100.0 1.873 2019-12-09 2019-12-22 9229 2019-12-05 2019-12-05 Spring SJ Restoration SCARF San Joaquin River at Highway 140 SJRRP
200 2020-01-23 2020-01-23 Spring SJ Restoration SCARF San Joaquin River at Highway 140 SJRRP
  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, 10/1/2019 to 7/31/2020
Data through 2020-07-31

Facility Loss
SWP130.224
CVP14.699
  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, 2019/2020, with no confirmed Delta Loss reported
Data through 2020-07-31

Release Start Release End CWT Tag Race Hatchery Release Site Release Type CWT
Number
Released
% CWT Marked
of Total Number Released
CWT Tagcodes
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
2020-04-21 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
2020-04-06 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 1476696 25.0056401, 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 Gridley Boat Ramp 349829 100.0062042
2020-03-10 2020-03-10 Winter Livingston Stone NFH Sacramento River, Caldwell Park, Redding, CA. 152809 100.0055778, 055887
2020-01-23 2020-01-23 Spring SJ Restoration SCARF San Joaquin River at Highway 140 SJRRP 700 100.0061446, 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 17575 100.0060556, 060557
2019-12-12 2019-12-12 Spring SJ Restoration SCARF Owl Hollow and Scout Island Efficiency Trials; Two groups of 600 1200 100.00601080604
2019-12-05 2019-12-05 Late-Fall Coleman NFH Battle Creek Late-Fall Production 114347 100.0056258, 056259
2019-12-05 2019-12-05 Spring SJ Restoration SCARF San Joaquin River at Highway 140 SJRRP 412 100.0061447, 061964
2019-06-08 2019-06-09 Fall Feather River Hatchery Fort Baker 250619 25.0061980
2019-06-07 2019-06-07 Fall Feather River Hatchery Mare Island 53639 25.0061986
2019-06-06 2019-06-06 Fall Feather River Hatchery Mare Island 167121 25.0061988, 061992
2019-06-04 2019-06-04 Fall Nimbus Hatchery Mare Island 148866 25.0061909, 061999
2019-06-03 2019-06-03 Fall Nimbus Hatchery Mare Island 140461 25.0061999
2019-06-01 2019-06-01 Fall Mokelumne Hatchery Pillar Point Harbor 240000 100.0061801
2019-05-31 2019-05-31 Fall Mokelumne Hatchery Sherman Island 102500 25.0060583, 061584
2019-05-30 2019-05-30 Fall Mokelumne Hatchery Sherman Island 112500 25.0061606
2019-05-29 2019-05-29 Fall Feather River Hatchery Mare Island 166735 25.0061989, 061990
2019-05-28 2019-05-28 Fall Feather River Hatchery Conoco Net Pen 166380 25.0061986, 061988
2019-05-26 2019-05-26 Fall Mokelumne Hatchery Fort Baker 112500 25.0061603
2019-05-25 2019-05-25 Fall Mokelumne Hatchery Pillar Point Harbor 240000 100.0061801
2019-05-24 2019-05-24 Fall Mokelumne Hatchery Sherman Island 112500 25.0061605
2019-05-23 2019-05-23 Fall Mokelumne Hatchery Sherman Island 112500 25.0061604
2019-05-21 2019-05-21 Fall Mokelumne Hatchery Santa Cruz 120000 100.0061542
2019-05-20 2019-05-20 Fall Feather River Hatchery Mare Island 166435 25.0061985, 061987
2019-05-19 2019-05-19 Fall Feather River Hatchery Mare Island 169316 25.4061983, 061984
2019-05-18 2019-05-18 Fall Mokelumne Hatchery Pillar Point Harbor 240000 100.0061801
2019-05-17 2019-05-17 Fall Mokelumne Hatchery Sherman Island 400000 100.0061802, 061803, 061804, 061805
2019-05-16 2019-05-16 Fall Nimbus Hatchery Sunrise Boat Ramp 200266 25.0061997
2019-05-15 2019-05-15 Fall Mokelumne Hatchery Mokelumne River Hatchery 200000 100.0061610
2019-05-15 2019-05-15 Fall Mokelumne Hatchery Woodbridge Dam 200000 100.0061609
2019-05-15 2019-05-15 Fall Nimbus Hatchery Sunrise Boat Ramp 200324 25.0061996
2019-05-14 2019-05-14 Fall Nimbus Hatchery Conoco Net Pen 151837 25.0061575, 061953
2019-05-13 2019-05-13 Fall Feather River Hatchery Conoco Net Pen 169735 25.4061981, 061982
2019-05-10 2019-05-10 Fall Mokelumne Hatchery Fort Baker 112500 25.0061599
2019-05-09 2019-05-09 Fall Mokelumne Hatchery Sherman Island 112500 25.0061602
2019-05-08 2019-05-08 Fall Feather River Hatchery Boyd's Pump 251000 25.0061979
2019-05-08 2019-05-08 Fall Mokelumne Hatchery Sherman Island 112500 25.0061601
2019-05-06 2019-05-06 Fall NFH Sunrise Boat Ramp 200492 25.0061995
2019-05-04 2019-05-04 Fall Feather River Hatchery Mare Island 123456 24.6061978
2019-05-03 2019-05-03 Fall Coleman NFH Battle Creek 587679 25.0056313, 056314, 056315, 056316, 056317
2019-05-03 2019-05-03 Fall Feather River Hatchery Mare Island 123457 24.6061978
2019-05-01 2019-05-01 Fall Merced Fish Facility Sherman Island 70260 23.4060451, 061525
2019-04-26 2019-04-26 Fall Mokelumne Hatchery Sherman Island 112500 25.0061597
2019-04-24 2019-04-24 Fall Mokelumne Hatchery Sherman Island 112500 25.0061598
2019-04-22 2019-04-22 Spring Feather River Hatchery Boyd's Pump 332425 100.0061976
2019-04-22 2019-04-22 Spring Feather River Hatchery Gridley Boat Ramp 184384 100.0061534, 061607, 062004, 068788
2019-04-18 2019-04-18 Fall Merced Fish Facility Sherman Island 101480 25.4061573
2019-04-17 2019-04-17 Fall Mokelumne Hatchery Sherman Island 112500 25.0061586
2019-04-13 2019-04-13 Fall Coleman NFH Sacramento River Experimental Paired Release 176128 100.0056320, 056321
2019-04-12 2019-04-12 Fall NFH Sunrise Boat Ramp Experimental Early Release 199965 100.0061994
2019-04-11 2019-04-11 Fall Coleman NFH Battle Creek Experimental Paired Release 174038 100.0056318, 056319
2019-04-08 2019-04-08 Fall Coleman NFH Battle Creek 825084 25.0056298, 056299, 056303, 056304, 056305, 056306, 056307, 056308
2019-04-05 2019-04-05 Spring Feather River Hatchery Boyd's Pump 332629 100.0061975
2019-04-05 2019-04-05 Spring Feather River Hatchery Gridley Boat Ramp 333442 100.0061974
2019-04-05 2019-04-05 Spring SJ Restoration SCARF Owl Hollow, San Joaquin River 2530 100.0061446
2019-03-29 2019-03-29 Fall Coleman NFH Battle Creek 533165 25.0056289, 056291, 056293, 056294, 056297
2019-03-28 2019-03-28 Winter Livingston Stone NFH North Fork Battle Creek, Manton, CA. Captive Broodstock 57702 100.0056285
2019-03-28 2019-03-28 Spring SJ Restoration SCARF SJR at Hwy 140 SJRRP 1451 100.0061442
2019-03-26 2019-03-26 Winter Livingston Stone NFH North Fork Battle Creek, Manton, CA. Captive Broodstock 126213 100.0056284, 056286
2019-03-25 2019-03-25 Fall Coleman NFH Battle Creek Experimental early release 357168 25.0056287, 056292, 056296
2019-03-14 2019-03-14 Fall Coleman NFH Battle Creek Experimental early release 349244 24.8056288, 056290, 056295
2019-03-13 2019-03-13 Spring Feather River Hatchery Boyd's Pump 336753 100.0061973
2019-03-13 2019-03-13 Spring Feather River Hatchery Live Oak boat ramp 333444 100.0061972
2019-02-28 2019-02-28 Spring SJ Restoration SCARF SJR at Hwy 140 SJRRP 87200 100.0061964
2019-02-14 2019-02-14 Winter Livingston Stone NFH Sacramento R., Caldwell Park 225017 100.0055883, 055884, 055885, 055886, 055908
2019-02-08 2019-02-08 Spring SJ Restoration SCARF SJR at Hwy 140 SJRRP 31295 100.0061410
2019-01-31 2019-01-31 Spring SJ Restoration SCARF SJR at Hwy 140 SJRRP 50000 100.0061409
2019-01-29 2019-05-30 Spring SJ Restoration SCARF Owl Hollow, Sycamore Island, SR-99, San Mateo Rd. Efficiency trials contain 600 fish per trial at 4 sites 40000 100.0061408
2019-01-04 2019-01-04 Late-Fall Coleman NFH Battle Creek Experimental Spring Yearling Surrogates #3 73952 100.0056147
  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. (2020). 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: 30 Nov 2020 16:13:18 PST. www.cbr.washington.edu/sacramento/data/.

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