SacPAS: Central Valley Prediction & Assessment of Salmon

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WY2023 Current Conditions for the Salmon Monitoring Team


Go To: DCC Operations || Alerts: Deer Creek, Mill Creek, Wilkins Slough, Knights Landing || Juvenile Sampling || Historical Migration Pattern for "Today" || Species Distribution Estimates || Loss&Salvage Predictor Estimates || Delta STARS Estimates

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:

DCC Operations

graphic Catch Index Knights Landing, Sacramento Trawls, Sacramento Beach Seines (10/1/2022 - 12/31/2022)
Alerts for Environmental Surrogates (Flow and Temperature)
Date Knights Landing RST: Winter Chinook: Catch Index Knights Landing RST: Older Chinook: Catch Index Sacramento Trawls: Older Chinook: Catch Index Sacramento Beach Seines: Older Chinook: Catch Index Alert: Catch Index > 5 Alert: Catch Index 3 < X ≤ 5
2022-11-30 0 0        
2022-11-29 0 0        
2022-11-28 0 0        
2022-11-27 0 0.7        
2022-11-26 0 0        
2022-11-25       0    
2022-11-24            
2022-11-23 0 0 0 0    
2022-11-22 0 0 0      
2022-11-21 0 0 0 0    
2022-11-20 0 0        
2022-11-19 0 0        
2022-11-18 0 0 0 0    
2022-11-17 0 0        
2022-11-16 0 0 0 0    
2022-11-15            
2022-11-14     0 0    
2022-11-13            
2022-11-12            
2022-11-11            
2022-11-10       0    
2022-11-09     0 0    
2022-11-08     0      
2022-11-07     0 0    
2022-11-06            
2022-11-05 0 0        
2022-11-04 0 0 0 0    
2022-11-03 0 0        
2022-11-02 0 0 0      
2022-11-01 0 0        
2022-10-31 0 0 0 0    
2022-10-30 0 0        
2022-10-29 0 0        
2022-10-28 0 0 0 0    
2022-10-27 0 0 0      
2022-10-26 0 0 0 0    
2022-10-25 0 0 0      
2022-10-24 0 0   0    
2022-10-23 0 0        
2022-10-22 0 0        
2022-10-21 0 0 0 0    
2022-10-20 0 0        
2022-10-19 0 0 0      
2022-10-18 0 0        
2022-10-17 0 0 0 0    
2022-10-16 0 0        
2022-10-15 0 0        
2022-10-14     0 0    
2022-10-13            
2022-10-12     0 0    
2022-10-11     0 0    
2022-10-10            
2022-10-09            
2022-10-08            
2022-10-07     0 0    
2022-10-06       0    
2022-10-05     0 0    
2022-10-04            
2022-10-03     0 0    
2022-10-02            
2022-10-01            
0 value indicates sampling occurred. Calculations generated by SacPAS. Data Courtesy of USFWS Lodi via weekly email and CDFW via StreamNet.

Updated: Thursday, 01-Dec-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)

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
11/30/2022 96.2 -1.5% Flow>95cfs 84.6 -0.5% 3160.4 42.1  
11/29/2022 97.7 -1.0% Flow>95cfs 85.0 0.2% 3174.6 42.4  
11/28/2022 98.7 -0.4% Flow>95cfs 84.9 0.8% 3167.4 42.5  
11/27/2022 99.1 0.7% Flow>95cfs 84.2 0.0% 3158.2 42.3  
11/26/2022 98.4 0.5% Flow>95cfs 84.2 0.5% 3143.8 42.1  
11/25/2022 97.9 0.2% Flow>95cfs 83.7 1.1% 3107.6    
11/24/2022 97.7 0.3% Flow>95cfs 82.8 0.0% 3054.3    
Calculations generated by SacPAS. Data Courtesy of CDEC and CDFW via StreamNet.

Updated: Thursday, 01-Dec-2022 16:30:05 PST

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

Juvenile Sampling

Juvenile Sampling Summary for 11/24/2022-11/30/2022 (last 7 days) and 11/17/2022-11/23/2022 (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
11/24/2022-11/30/2022Min Sample Date2022-11-242022-11-262022-11-25
11/24/2022-11/30/2022Max Sample Date2022-11-302022-11-302022-11-25
11/24/2022-11/30/2022Days with Sampling750100
11/24/2022-11/30/2022Fall Chinook000
11/24/2022-11/30/2022Spring Chinook000
11/24/2022-11/30/2022Winter Chinook000
11/24/2022-11/30/2022LateFall Chinook010
11/24/2022-11/30/2022Chinook (ad-clip)000
11/24/2022-11/30/2022Steelhead (natural)000
11/24/2022-11/30/2022Steelhead (ad-clip)000
11/24/2022-11/30/2022Avg Flow (cfs)3347.73138.16243.46243.44057.6584.6
11/24/2022-11/30/2022Avg Water Temp (F)50.442.351.651.649.1
11/24/2022-11/30/2022Avg Turbidity (NTU)1.42.2
11/17/2022-11/23/2022Min Sample Date2022-11-172022-11-172022-11-182022-11-182022-11-182022-11-18
11/17/2022-11/23/2022Max Sample Date2022-11-232022-11-232022-11-232022-11-232022-11-232022-11-23
11/17/2022-11/23/2022Days with Sampling774343
11/17/2022-11/23/2022Fall Chinook000000
11/17/2022-11/23/2022Spring Chinook000000
11/17/2022-11/23/2022Winter Chinook000000
11/17/2022-11/23/2022LateFall Chinook000000
11/17/2022-11/23/2022Chinook (ad-clip)000000
11/17/2022-11/23/2022Steelhead (natural)000000
11/17/2022-11/23/2022Steelhead (ad-clip)000000
11/17/2022-11/23/2022Avg Flow (cfs)3460.83236.26772.46772.43934.8656.6
11/17/2022-11/23/2022Avg Water Temp (F)50.242.352.252.212.549.6
11/17/2022-11/23/2022Avg Turbidity (NTU)1.72.53.13.119.14.2
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: Thursday, 01-Dec-2022 16:16:01 PST

Historical Migration Pattern for "Today"

Average Percent by 11/30, 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 90.5%
(85.7%,95.3%)
BY: 2012 - 2021
32.9%
(12.6%,53.1%)
BY: 2012 - 2021
33.3%
(7.3%,59.3%)
BY: 2013 - 2021
16.8%
(-5.7%,39.2%)
BY: 2012 - 2021
1.4%
(-1.8%,4.7%)
BY: 2012 - 2021
0.0%
(0.0%,0.0%)
WY: 2013 - 2022
Chinook, Spring-run, Unclipped 8.9%
(0.4%,17.3%)
BY: 2012 - 2021
1.0%
(0.1%,1.9%)
BY: 2012 - 2021
3.4%
(-3.3%,10.1%)
BY: 2013 - 2021
0.0%
(-0.0%,0.0%)
BY: 2012 - 2021
0.0%
(0.0%,0.0%)
BY: 2012 - 2021
0.0%
(0.0%,0.0%)
WY: 2013 - 2022
Steelhead, Unclipped (January-December)            
Steelhead, Unclipped (December-March)           0.0%
(0.0%,0.0%)
WY: 2013 - 2022
Steelhead, Unclipped (April-June)           0.0%
(0.0%,0.0%)
WY: 2013 - 2022
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: Thursday, 01-Dec-2022 06:32:46 PST

Species Distribution Estimates

Estimates presented during weekly meetings. Submitted by BOR to SacPAS after weekly meetings for 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

Loss&Salvage Predictor Estimates

Current estimates generated by the Loss and Salvage Predictor tool. Predicts loss and/or salvage of endangered steelhead and winter run Chinook salmon at the CVP and SWP pumping facilities at the southern end of the Sacramento-San Joaquin Delta. Available Decemer to mid-June.

Updated: Thursday, 01-Dec-2022 09:35:05 PST

plot estimates of Steelhead Loss generated by Loss and Salvage Predictor tool plot estimates of Chinook Winter Run Loss generated by Loss and Salvage Predictor tool
Environmental Conditions, Loss and Salvage Predictor Input and Output
Parameter TokenParameter DescriptionWater YearWeekWeek TypeValue
temp.malWater Temperature °C, Mallard Island (MAL) from CDEC20238Data12.4
precipPrecipitation Inches, 5 day running sum, Stockton Fire Station (SFS) from CDEC20238Data0
om.sumOMR Flows CFS, sum of tidally-filtered discharge at Middle River and Bacon Island from USGS20238Data-2786
sacSacramento Flows CFS, Freeport (FPT) from CDEC20238Data6276
dccDCC Gate Status from BOR20238Dataclosed
sjrSan Joaquin River Flow CFS, Vernalis (VNS) from CDEC 20238Data627
exportExports CFS, sum of Pumping Discharge at HRO and TRP from CDEC20238Data2095
steelhead.pwSteelhead Previous Week20238Data0
winter.pwWinter Chinook Previous Week20238Data0
temp.malWater Temperature °C, Mallard Island (MAL) from CDEC20239Forecast20
precipPrecipitation Inches, 5 day running sum, Stockton Fire Station (SFS) from CDEC20239Forecast0
om.sumOMR Flows CFS, sum of tidally-filtered discharge at Middle River and Bacon Island from USGS20239Forecast-3039
sacSacramento Flows CFS, Freeport (FPT) from CDEC20239Forecast6993
dccDCC Gate Status from BOR20239Forecastclosed
sjrSan Joaquin River Flow CFS, Vernalis (VNS) from CDEC 20239Forecast262
exportExports CFS, sum of Pumping Discharge at HRO and TRP from CDEC20239Forecast1887
steelhead.pwSteelhead Previous Week20239Forecast0
winter.pwWinter Chinook Previous Week20239Forecast0
Fish, Loss and Salvage Predictor Input and Output
Parameter TokenParameter DescriptionWater YearWeekValue
Steelhead.LowPredicted Steelhead, Low %202380
Steelhead.MedianPredicted Steelhead, Median %202380
Steelhead.HighPredicted Steelhead, High %2023817
Winter.Run.LowPredicted Chinook Winter Run, Low %202380
Winter.Run.MedianPredicted Chinook Winter Run, Median %202380
Winter.Run.HighPredicted Chinook Winter Run, High %202384
Steelhead.Observed.lossObserved Steelhead loss202380
Winter.Run.Observed.lossObserved Chinook Winter Run loss202380
Steelhead.Cumulative.lossObserved Steelhead Cumulative loss202380
Winter.Run.Cumulative.lossObserved Chinook Winter Run Cumulative loss202380
Steelhead.LowPredicted Steelhead, Low %202390
Steelhead.MedianPredicted Steelhead, Median %202390
Steelhead.HighPredicted Steelhead, High %2023917
Winter.Run.LowPredicted Chinook Winter Run, Low %202390
Winter.Run.MedianPredicted Chinook Winter Run, Median %202390
Winter.Run.HighPredicted Chinook Winter Run, High %202394
Steelhead.Observed.lossObserved Steelhead loss20239NA
Winter.Run.Observed.lossObserved Chinook Winter Run loss20239NA
Steelhead.Cumulative.lossObserved Steelhead Cumulative loss202390
Winter.Run.Cumulative.lossObserved Chinook Winter Run Cumulative loss202390

Delta STARS Estimates

Current estimates generated by the Delta STARS tool. STARS Predicted Survival, Travel-Time and Routing for Late-Fall Run and Winter Run Chinook. Delta STARS developed by USGS Quantitative Fisheries Ecology Section and deployed by SacPAS.

Updated: Thursday, 01-Dec-2022 09:35:03 PST

Delta STARS Survival and Routing Estimates
StockDateRouteParameterEstimateLower 80% Credible LimitUpper 80% Credible Limit
Winter Chinook2022-11-30OverallMedian Travel Time7.00246.45417.4261
Winter Chinook2022-11-30OverallSurvival0.23340.131670.33062
Winter Chinook2022-11-30Sacramento RiverMedian Travel Time6.61567
Winter Chinook2022-11-30Sacramento RiverRouting Probability0.578330.534060.62185
Winter Chinook2022-11-30Sacramento RiverSurvival0.246020.124120.36505
Winter Chinook2022-11-30Yolo BypassMedian Travel Time9.76910
Winter Chinook2022-11-30Yolo BypassRouting Probability000
Winter Chinook2022-11-30Yolo BypassSurvival0.496580.308450.68058
Winter Chinook2022-11-30Sutter SloughMedian Travel Time6.63567
Winter Chinook2022-11-30Sutter SloughRouting Probability0.139290.111450.1695
Winter Chinook2022-11-30Sutter SloughSurvival0.262210.124760.39978
Winter Chinook2022-11-30Steamboat SloughMedian Travel Time6.2767
Winter Chinook2022-11-30Steamboat SloughRouting Probability0.148110.118850.17762
Winter Chinook2022-11-30Steamboat SloughSurvival0.319340.169970.48259
Winter Chinook2022-11-30Interior DeltaMedian Travel Time9.859910
Winter Chinook2022-11-30Interior DeltaRouting Probability0.134260.104490.16679
Winter Chinook2022-11-30Interior DeltaSurvival0.0594240.016340.11881
Late-fall Chinook2022-11-30OverallMedian Travel Time13.80510.86718.205
Late-fall Chinook2022-11-30OverallSurvival0.237830.163480.33253
Late-fall Chinook2022-11-30Delta Cross ChannelMedian Travel Time21.50414.87633.249
Late-fall Chinook2022-11-30Delta Cross ChannelRouting Probability0.220.13090.333
Late-fall Chinook2022-11-30Delta Cross ChannelSurvival0.0986650.0344590.22238
Late-fall Chinook2022-11-30Georgiana SloughMedian Travel Time20.17613.99330.74
Late-fall Chinook2022-11-30Georgiana SloughRouting Probability0.190.1360.296
Late-fall Chinook2022-11-30Georgiana SloughSurvival0.131930.046470.28299
Late-fall Chinook2022-11-30Sacramento RiverMedian Travel Time10.0387.550414.093
Late-fall Chinook2022-11-30Sacramento RiverRouting Probability0.3350.21490.4202
Late-fall Chinook2022-11-30Sacramento RiverSurvival0.334580.189480.48177
Late-fall Chinook2022-11-30Sutter and Steamboat SloughMedian Travel Time10.1757.543514.575
Late-fall Chinook2022-11-30Sutter and Steamboat SloughRouting Probability0.2420.2070.2741
Late-fall Chinook2022-11-30Sutter and Steamboat SloughSurvival0.300850.169620.46728

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/

Monday, 21-Nov-2022 11:24:24 PST