SacPAS: Central Valley Prediction & Assessment of Salmon

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WY2022 Current Conditions for the Salmon Monitoring Team -- In Development


Go To: Species Distribution Estimates || Juvenile Sampling || Historical Migration Pattern for "Today" || CWT Spring Surrogates || Single-Year Loss Thresholds || Alerts: Deer Creek, Mill Creek, Wilkins Slough, Knights Landing || DCC Operations

Content on this page is updated daily and includes the most up-to-date datasets contained in the SacPAS database. Juvenile monitoring and salvage data are updated as made available publicly.

Data Load Timing:
SacPAS Related Queries and Tools:

Species Distribution Estimates

Estimates presented during weekly meetings. Submitted by BOR to SacPAS after weekly meetings for automated generation of plots.

graph natural young of year yoy winter-run Chinook salmon distribution estimates graph  natural young of year yoy spring-run Chinook salmon distribution estimates graph  natural origin steelhead distribution estimates

Juvenile Sampling

Juvenile Sampling Summary for 06/20/2022-06/26/2022 (last 7 days) and 06/13/2022-06/19/2022 (previous 7 days)

Date RangeData ItemTisdale Weir RSTKnights Landing RSTSacramento Trawls (@ Sherwood Harbor)Sacramento Beach SeinesChipps Island TrawlsMossdale Trawls
Date RangeData ItemTisdale Weir RSTKnights Landing RSTSacramento Trawls (@ Sherwood Harbor)Sacramento Beach SeinesChipps Island TrawlsMossdale Trawls
06/20/2022-06/26/2022Min Sample Date
06/20/2022-06/26/2022Max Sample Date
06/20/2022-06/26/2022Days with Sampling000000
06/20/2022-06/26/2022Fall Chinook
06/20/2022-06/26/2022Spring Chinook
06/20/2022-06/26/2022Winter Chinook
06/20/2022-06/26/2022LateFall Chinook
06/20/2022-06/26/2022Chinook (ad-clip)
06/20/2022-06/26/2022Steelhead (natural)
06/20/2022-06/26/2022Steelhead (ad-clip)
06/20/2022-06/26/2022Avg Flow (cfs)3350.43356.98761.78761.74346.0725.4
06/20/2022-06/26/2022Avg Water Temp (F)74.374.369.2
06/20/2022-06/26/2022Avg Turbidity (NTU)
06/13/2022-06/19/2022Min Sample Date2022-06-132022-06-132022-06-132022-06-13
06/13/2022-06/19/2022Max Sample Date2022-06-152022-06-152022-06-172022-06-15
06/13/2022-06/19/2022Days with Sampling002232
06/13/2022-06/19/2022Fall Chinook0000
06/13/2022-06/19/2022Spring Chinook0000
06/13/2022-06/19/2022Winter Chinook0000
06/13/2022-06/19/2022LateFall Chinook0000
06/13/2022-06/19/2022Chinook (ad-clip)0000
06/13/2022-06/19/2022Steelhead (natural)0000
06/13/2022-06/19/2022Steelhead (ad-clip)0000
06/13/2022-06/19/2022Avg Flow (cfs)3509.63498.38837.38837.34856.8654.2
06/13/2022-06/19/2022Avg Water Temp (F)74.074.021.367.5
06/13/2022-06/19/2022Avg Turbidity (NTU)20.820.830.17.7
source of Avg Flow (cfs)Colousa (COL)Wilkins Slough (WLK)Freeport (FPT)Freeport (FPT)Delta OutFlow (DTO)Vernalis (VNS)
source of Avg Water Temp (F)Tisdale WeirKnights LandingHood (SRH)Hood (SRH)Chipps Island TrawlsVernalis (VNS)
source of Avg Turbidity (NTU)Tisdale WeirKnights LandingSacramento TrawlsSacramento TrawlsChipps Island TrawlsMossdale Trawls

Updated: Monday, 27-Jun-2022 08:16:04 PDT

Historical Migration Pattern for "Today"

Brood Years 2012 - 2021 Average Percent by 06/26, with 95%CI, of annual emigrating population for juveniles of each species of interest (based on LAD) captured at the following locations and salvaged at SWP and CVP Delta facilities
Species Red Bluff Diversion Dam Tisdale RST Knights Landing RST Sac Trawl (Sherwood) Catch Index Chipps Island Trawl Catch Index Salvage
Chinook, Winter-run, Unclipped 100.0%
(100.0%,100.0%)
BY: 2012 - 2020
100.0%
(100.0%,100.0%)
BY: 2012 - 2020
100.0%
(100.0%,100.0%)
BY: 2013 - 2020
100.0%
(100.0%,100.0%)
BY: 2012 - 2020
100.0%
(100.0%,100.0%)
BY: 2012 - 2020
100.0%
(100.0%,100.0%)
Chinook, Spring-run, Unclipped 100.0%
(100.0%,100.0%)
BY: 2012 - 2020
100.0%
(100.0%,100.0%)
BY: 2012 - 2020
100.0%
(100.0%,100.0%)
BY: 2013 - 2020
100.0%
(100.0%,100.0%)
BY: 2012 - 2020
100.0%
(100.0%,100.0%)
BY: 2012 - 2020
100.0%
(100.0%,100.0%)
Steelhead, Unclipped (January-December) 41.8%
(24.0%,59.5%)
90.7%
(69.4%,112.1%)
83.7%
(65.5%,101.9%)
100.0%
(100.0%,100.0%)
97.1%
(92.6%,101.6%)
 
Steelhead, Unclipped (December-March)           100.0%
(100.0%,100.0%)
WY: 2013 - 2022
Steelhead, Unclipped (April-June)           100.0%
(100.0%,100.0%)
Calculations generated by SacPAS Migration Timing and Conditions by Cohort and Salvage Timing. Data Courtesy of USFWS, Red Bluff; CDFW via StreamNet and CDEC; USFWS, Lodi.

Updated: Monday, 27-Jun-2022 06:32:38 PDT

CWT Spring Surrogates

For WY 2022 there are multiple groups of spring-run Chinook salmon hatchery surrogates used to meet requirements in both the Proposed Action and the ITP.

PA 4.10.5.10.2 / COA 8.6.4 Young-of-Year Spring-run Chinook Salmon Hatchery Surrogate Summary Table, Water Year 2022

Type Hatchery Release Group Release Start Release End Race Total # of Fish Released # of CWT Fish Released Tag Codes Loss Threshold Confirmed Loss First Loss Last Loss Confirmed Loss CWT Tag Codes
PA Coleman NFH Group 1 2021-12-15 2021-12-15 Late-Fall 84343 84343056468 421.7 48.611 2022-01-01 2022-01-11056468
PA Coleman NFH Group 2 2021-12-22 2021-12-22 Late-Fall 82626 82626056470 413.1 17.620 2022-01-03 2022-01-18056470
PA Coleman NFH Group 3 2022-01-06 2022-01-06 Late-Fall 77325 77325056471 386.6 20.054 2022-01-16 2022-03-20056471
ITP Coleman NFH Group 1 2022-03-15 2022-03-15 Fall 2865384 719838056599, 056601, 056602, 056603, 056604, 056605, 056606 1799.6 0.000
ITP Coleman NFH Group 2 2022-03-18 2022-03-18 Fall 2982466 749368056607, 056608, 056609, 056610, 056611, 056612, 056613 1873.4 0.000
ITP Coleman NFH Group 3 2022-03-31 2022-04-01 Fall 4218454 1058439056614, 056615, 056616, 056617, 056618, 056619, 056620, 056621, 056622, 056623 2646.1 4.330 2022-04-18 2022-04-18056619
ITP Coleman NFH Group 4 2022-04-05 2022-04-07 Fall 339094 339094056629, 056630, 056628, 056631 847.7 4.330 2022-04-23 2022-04-23056630
ITP Feather River Hatchery Group 1 2022-03-30 2022-03-30 Spring 1458758 729199062863, 062864 1823 0.000

Single-Year Loss Thresholds

Single-Year Loss Thresholds (PA 4-69)

In each year, typically January/February, Reclamation and DWR propose to avoid exceeding an annual loss threshold equal to 90% of the greatest annual loss that occurred in the historical record from 2010 through 2018 for each of:

(More information on 4-70)

Summary Loss Table

WYData ItemWinter-run Chinook : 10/1-6/30Natural Steelhead : 12/1-3/31Natural Steelhead : 4/1-6/15
WY2022Loss Total Last 1-7 days (06/20/2022-06/26/2022)000
WY2022Loss Total Last 8-14 days (06/13/2022-06/19/2022)000
WY2022Cumulative Loss Total73.0484.28154.38
Note: Natural Steelhead (12/1-3/31) loss total includes 3.4 loss during period 10/1-11/30.

Natural Winter-Run Chinook Salmon Loss

graph loss Natural Winter-Run Chinook Salmon graph loss Natural Winter-Run Chinook Salmon with WY2009-2018 history graph loss Natural Winter-Run Chinook Salmon with WY2009-2018 history

Natural Central Valley Steelhead

graph loss Natural Central Valley Steelhead graph Natural Central Valley Steelhead with WY2009-2018 history graph loss Natural Central Valley Steelhead from December through March with WY2009-2018 history graph loss Natural Central Valley Steelhead from April through June 15 with WY2009-2018 history

Daily Loss Table

WYDateWinter-run Chinook : 10/1-6/30 : Daily LossWinter-run Chinook : 10/1-6/30 : Cum LossNatural Steelhead : 12/1-3/31 : Daily LossNatural Steelhead : 12/1-3/31 : Cum LossNatural Steelhead : 4/1-6/15 : Daily LossNatural Steelhead : 4/1-6/15 : Cum Loss
WYDateWinter-run Chinook : 10/1-6/30 : Daily LossWinter-run Chinook : 10/1-6/30 : Cum LossNatural Steelhead : 12/1-3/31 : Daily LossNatural Steelhead : 12/1-3/31 : Cum LossNatural Steelhead : 4/1-6/15 : Daily LossNatural Steelhead : 4/1-6/15 : Cum Loss
WY20222022-06-22073.04
WY20222022-06-21073.04
WY20222022-06-20073.04
WY20222022-06-19073.04
WY20222022-06-18073.04
WY20222022-06-17073.04
WY20222022-06-16073.04
WY20222022-06-15073.040154.38
WY20222022-06-14073.040154.38
WY20222022-06-13073.040154.38
WY20222022-06-12073.040154.38
WY20222022-06-11073.040154.38
WY20222022-06-10073.040154.38
WY20222022-06-09073.040154.38
WY20222022-06-08073.040154.38
WY20222022-06-07073.040154.38
WY20222022-06-06073.040154.38
WY20222022-06-05073.040154.38
WY20222022-06-04073.040154.38
WY20222022-06-03073.040154.38
WY20222022-06-02073.040154.38
WY20222022-06-01073.040154.38
WY20222022-05-31073.040154.38
WY20222022-05-30073.040154.38
WY20222022-05-29073.040154.38
WY20222022-05-28073.040154.38
WY20222022-05-27073.040154.38
WY20222022-05-26073.040154.38
WY20222022-05-25073.042.72154.38
WY20222022-05-24073.040151.66
WY20222022-05-23073.040151.66
WY20222022-05-22073.042.72151.66
WY20222022-05-21073.040148.94
WY20222022-05-20073.040148.94
WY20222022-05-19073.045.44148.94
WY20222022-05-18073.040143.5
WY20222022-05-17073.040143.5
WY20222022-05-16073.040143.5
WY20222022-05-15073.042.72143.5
WY20222022-05-14073.040140.78
WY20222022-05-13073.040140.78
WY20222022-05-12073.040140.78
WY20222022-05-11073.044.33140.78
WY20222022-05-10073.040136.45
WY20222022-05-09073.045.44136.45
WY20222022-05-08073.040131.01
WY20222022-05-07073.042.72131.01
WY20222022-05-06073.048.66128.29
WY20222022-05-05073.040119.63
WY20222022-05-04073.040119.63
WY20222022-05-03073.040119.63
WY20222022-05-02073.040119.63
WY20222022-05-01073.040119.63
WY20222022-04-30073.040119.63
WY20222022-04-29073.040119.63
WY20222022-04-28073.048.66119.63
WY20222022-04-2717.5773.040110.97
WY20222022-04-26055.474.33110.97
WY20222022-04-25055.4717.32106.64
WY20222022-04-24055.47089.32
WY20222022-04-23055.47089.32
WY20222022-04-22055.47089.32
WY20222022-04-21055.47089.32
WY20222022-04-20055.47089.32
WY20222022-04-19055.47089.32
WY20222022-04-18055.47089.32
WY20222022-04-17055.47089.32
WY20222022-04-16055.4721.6589.32
WY20222022-04-15055.478.6667.67
WY20222022-04-14055.47059.01
WY20222022-04-13055.47059.01
WY20222022-04-1217.5255.47059.01
WY20222022-04-11037.95059.01
WY20222022-04-10037.95059.01
WY20222022-04-09037.95059.01
WY20222022-04-08037.952.7259.01
WY20222022-04-07037.9517.3256.29
WY20222022-04-06037.95038.97
WY20222022-04-05037.95038.97
WY20222022-04-04037.9534.6438.97
WY20222022-04-03037.9504.33
WY20222022-04-02037.9504.33
WY20222022-04-01037.954.334.33
WY20222022-03-31037.952.7284.28
WY20222022-03-30037.958.1681.56
WY20222022-03-2917.3937.95073.4
WY20222022-03-28020.56073.4
WY20222022-03-27020.56073.4
WY20222022-03-26020.562.7273.4
WY20222022-03-25020.56070.68
WY20222022-03-24020.56070.68
WY20222022-03-23020.56070.68
WY20222022-03-22020.56070.68
WY20222022-03-21020.56070.68
WY20222022-03-20020.56070.68
WY20222022-03-19020.562.7270.68
WY20222022-03-18020.56067.96
WY20222022-03-17020.56067.96
WY20222022-03-16020.56067.96
WY20222022-03-15020.565.4467.96
WY20222022-03-14020.56062.52
WY20222022-03-13020.56062.52
WY20222022-03-12020.56062.52
WY20222022-03-11020.56062.52
WY20222022-03-10020.56062.52
WY20222022-03-09020.56062.52
WY20222022-03-08020.56062.52
WY20222022-03-07020.56062.52
WY20222022-03-06020.56062.52
WY20222022-03-05020.56062.52
WY20222022-03-04020.56062.52
WY20222022-03-03020.56062.52
WY20222022-03-02020.56062.52
WY20222022-03-01020.562.7262.52
WY20222022-02-28020.56059.8
WY20222022-02-27020.56059.8
WY20222022-02-26020.56059.8
WY20222022-02-25020.56059.8
WY20222022-02-24020.56059.8
WY20222022-02-23020.56059.8
WY20222022-02-22020.56059.8
WY20222022-02-21020.56059.8
WY20222022-02-20020.56059.8
WY20222022-02-19020.56059.8
WY20222022-02-18020.56059.8
WY20222022-02-17020.56059.8
WY20222022-02-16020.56059.8
WY20222022-02-150.5720.56059.8
WY20222022-02-14019.99059.8
WY20222022-02-13019.99059.8
WY20222022-02-12019.99059.8
WY20222022-02-11019.99059.8
WY20222022-02-10019.99059.8
WY20222022-02-09019.99059.8
WY20222022-02-08019.99059.8
WY20222022-02-07019.992.7259.8
WY20222022-02-06019.99057.08
WY20222022-02-05019.992.7257.08
WY20222022-02-04019.99054.36
WY20222022-02-03019.99054.36
WY20222022-02-02019.99054.36
WY20222022-02-01019.99054.36
WY20222022-01-31019.99054.36
WY20222022-01-30019.99054.36
WY20222022-01-29019.99054.36
WY20222022-01-282.8819.99054.36
WY20222022-01-27017.11054.36
WY20222022-01-26017.11054.36
WY20222022-01-25017.11054.36
WY20222022-01-24017.11054.36
WY20222022-01-23017.11054.36
WY20222022-01-22017.11054.36
WY20222022-01-21017.11054.36
WY20222022-01-20017.11054.36
WY20222022-01-19017.11054.36
WY20222022-01-18017.11054.36
WY20222022-01-17017.11054.36
WY20222022-01-16017.11054.36
WY20222022-01-15017.11054.36
WY20222022-01-14017.11054.36
WY20222022-01-13017.112.7254.36
WY20222022-01-12017.11051.64
WY20222022-01-11017.1117.3251.64
WY20222022-01-10017.1117.3234.32
WY20222022-01-092.617.11017
WY20222022-01-08014.51017
WY20222022-01-075.214.51017
WY20222022-01-0609.31017
WY20222022-01-0509.315.4417
WY20222022-01-0409.312.7211.56
WY20222022-01-0309.3108.84
WY20222022-01-0209.3108.84
WY20222022-01-0109.3108.84
WY20222021-12-313.199.3108.84
WY20222021-12-3006.122.728.84
WY20222021-12-2906.122.726.12
WY20222021-12-2806.1203.4
WY20222021-12-2706.1203.4
WY20222021-12-2606.1203.4
WY20222021-12-253.526.1203.4
WY20222021-12-2402.603.4
WY20222021-12-2302.603.4
WY20222021-12-2202.603.4
WY20222021-12-2102.603.4
WY20222021-12-2002.603.4
WY20222021-12-192.62.603.4
WY20222021-12-180003.4
WY20222021-12-170003.4
WY20222021-12-160003.4
WY20222021-12-150003.4
WY20222021-12-140003.4
WY20222021-12-130003.4
WY20222021-12-120003.4
WY20222021-12-110003.4
WY20222021-12-100003.4
WY20222021-12-090003.4
WY20222021-12-080003.4
WY20222021-12-070003.4
WY20222021-12-060003.4
WY20222021-12-050003.4
WY20222021-12-040003.4
WY20222021-12-030003.4
WY20222021-12-020003.4
WY20222021-12-01003.43.4
WY20222021-11-3000
WY20222021-11-2900
WY20222021-11-2800
WY20222021-11-2700
WY20222021-11-2600
WY20222021-11-2500
WY20222021-11-2400
WY20222021-11-2300
WY20222021-11-2200
WY20222021-11-2100
WY20222021-11-2000
WY20222021-11-1900
WY20222021-11-1800
WY20222021-11-1700
WY20222021-11-1600
WY20222021-11-1500
WY20222021-11-1400
WY20222021-11-1300
WY20222021-11-1200
WY20222021-11-1100
WY20222021-11-1000
WY20222021-11-0900
WY20222021-11-0800
WY20222021-11-0700
WY20222021-11-0600
WY20222021-11-0500
WY20222021-11-0400
WY20222021-11-0300
WY20222021-11-0200
WY20222021-11-0100
WY20222021-10-3100
WY20222021-10-3000
WY20222021-10-2900
WY20222021-10-2800
WY20222021-10-2700
WY20222021-10-2600
WY20222021-10-2500
WY20222021-10-2400
WY20222021-10-2300
WY20222021-10-2200
WY20222021-10-2100
WY20222021-10-2000
WY20222021-10-1900
WY20222021-10-1800
WY20222021-10-1700
WY20222021-10-1600
WY20222021-10-1500
WY20222021-10-1400
WY20222021-10-1300
WY20222021-10-1200
WY20222021-10-1100
WY20222021-10-1000
WY20222021-10-0900
WY20222021-10-0800
WY20222021-10-0700
WY20222021-10-0600
WY20222021-10-0500
WY20222021-10-0400
WY20222021-10-0300
WY20222021-10-0200
WY20222021-10-0100
Note: Natural Steelhead (12/1-3/31) loss total includes 3.4 loss during period 10/1-11/30.

Alerts: Deer Creek, Mill Creek, Wilkins Slough, Knights Landing

Daily Average Flow and Temperature Last 7 Days
Date Mill Creek (MLM): mean daily flow (cfs) Mill Creek (MLM): flow percent change Mill Creek (MLM): Alert Deer Creek (DCV): mean daily flow (cfs) Deer Creek (DCV): flow percent change Deer Creek (DCV): Alert Wilkins Slough (WLK): mean daily flow (cfs) Knights Landing RST: water temperature (f) WLK-KNL: Alert
6/26/2022 163.0 -0.2% Flow>95cfs 57.5 -5.8% 3234.2    
6/25/2022 163.2 0.2% Flow>95cfs 61.0 -5.7% 3294.5    
6/24/2022 163.0 -0.1% Flow>95cfs 64.7 -5.5% 3363.5    
6/23/2022 163.1 0.4% Flow>95cfs 68.5 -6.6% 3373.7    
6/22/2022 162.5 -3.4% Flow>95cfs 73.4 -8.0% 3411.3    
6/21/2022 168.2 -6.1% Flow>95cfs 79.8 -10.6% 3406.3    
6/20/2022 179.1 -5.1% Flow>95cfs 89.2 -13.8% 3414.5    
Calculations generated by SacPAS. Data Courtesy of CDEC and CDFW via StreamNet.

Updated: Monday, 27-Jun-2022 08:30:03 PDT

Monitor Deer Creek and Mill Creek for average daily flow >95 cfs or >50% change from prior day

Monitor for both conditions: Wilkins Slough average daily flow >7500 cfs and Knights Landing temperature <56.3F

DCC Operations

graphic Catch Index Knights Landing, Sacramento Trawls, Sacramento Beach Seines (10/1/2021 - 12/31/2021)

No winter/older Chinook sampling data for Knights Landing, Sacramento Trawls or Sacramento Beach Seines for period, 10/1/2021 - 12/31/2021.

Updated: Monday, 31-Jan-2022 16:15:06 PST

Part 1: DCC operations by Knights Landing or Sacramento Catch Indices (PA 4-56)
Monitoring period: 1 October-30 November
Water quality criteria per D-1641 are met and either the Knights Landing Catch Index or Sacramento Catch Index is greater than 5.0 fish per day (close until both < 3/day)
Water quality criteria per D-1641 are met, either Knights Landing Catch Index or the Sacramento Catch Index are greater than 3.0 fish per day but less than or equal to five fish per day. (closed for 3 days)


Data Set Notes:

  1. 2019 Biological Opinions, USBR includes link to "Chapter 4 Proposed Action" PDF
  2. Water condtions data courtesy of CDEC.
  3. Knights Landing RST and Tisdale RST data courtesy of CDFW via StreamNet.
    • The Knights Landing RST: uses Frank Fisher length-at-date model to categorize Chinook into "older" and "fry/smolt".
  4. Sacramento Trawls, Sacramento Beach Seines, Chipps Island Trawls, and Mossdale Trawls sampling data courtesy of USFWS Lodi weekly.
    • Sacramento Beach Seines: Verona, Elkhorn, Sand Cove, Miller Park, Sherwood Harbor, Discovery Park, American River, Garcia Bend.
    • 30 November 2020: Sampling at Mossdale Trawls stopped; sampling at the sites deemed "non-essential" during COVID-19 response.
  5. Salvage data courtesy of Fish Salvage Monitoring, CDFW Bay Delta Region
    • Salvage Database, ftp://ftp.dfg.ca.gov/salvage/
    • We use loss estimation methods as detailed in "Chinook Salmon Loss Estimation for Skinner Delta Fish Protective Facility and Tracy Fish Collection Facility, 7/9/2018" ftp://ftp.wildlife.ca.gov/salvage/Salmon%20loss%20estimation.docx

Citation
Columbia Basin Research, University of Washington. (2020). SacPAS Salmon Monitoring Team. Available from www.cbr.washington.edu/sacramento/workgroups/salmon_monitoring.html

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POC: web@cbr.washington.edu

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

Wednesday, 30-Mar-2022 17:47:56 PDT