Workgroups & Teams

WY2025 Current Conditions for the Salmon Monitoring Team

DCC Operations

graphic Catch Index Knights Landing, Sacramento Trawls, Sacramento Beach Seines (10/1/2024 - 12/31/2024)
Catch Index Knights Landing, Sacramento Trawls, Sacramento Beach Seines (10/1/2024 - 12/31/2024)
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
2024-12-30     1.6 2.3    
2024-12-29            
2024-12-28            
2024-12-27     3.2 5.3 SacBeach 5.3 SacTrawl 3.2
2024-12-26     0      
2024-12-25            
2024-12-24            
2024-12-23 0 0 0.8 0    
2024-12-22 0 0        
2024-12-21 0 0        
2024-12-20 0 0 0 1.3    
2024-12-19 7.8 8.2     KNLOlder 8.2
KNLWinter 7.8
 
2024-12-18 5.5 6.9 0.8 0 KNLOlder 6.9
KNLWinter 5.5
 
2024-12-17            
2024-12-16     2.4 4.8   SacBeach 4.8
2024-12-15            
2024-12-14            
2024-12-13 0 0        
2024-12-12 0 0 0 0    
2024-12-11 1.0 1.0 0 0    
2024-12-10 0 0        
2024-12-09 0 0 0 0    
2024-12-08 0.5 0.5        
2024-12-07 0 0        
2024-12-06 0.7 1.4 0 1.6    
2024-12-05 1.2 1.2        
2024-12-04 1.3 1.3 0 0    
2024-12-03 0 0        
2024-12-02     0 2.0    
2024-12-01            
2024-11-30            
2024-11-29       1.6    
2024-11-28            
2024-11-27     15.2 3.0 SacTrawl 15.2  
2024-11-26     27.2   SacTrawl 27.2  
2024-11-25     21.6 4.0 SacTrawl 21.6 SacBeach 4.0
2024-11-24            
2024-11-23            
2024-11-22       0    
2024-11-21 0 0 0      
2024-11-20 0 0 0 0    
2024-11-19 0 0        
2024-11-18 0 0 0 0    
2024-11-17 0 0        
2024-11-16 0 0        
2024-11-15 0 0 0 0    
2024-11-14 0 0 0      
2024-11-13 0 0   0    
2024-11-12 0 0 0 0    
2024-11-11 0 0        
2024-11-10 0 0        
2024-11-09 0 0        
2024-11-08 0 0 0 0    
2024-11-07 0 0        
2024-11-06 0 0 0 0    
2024-11-05 0 0        
2024-11-04 0 0 0 0    
2024-11-03 0 0        
2024-11-02 0 0        
2024-11-01 0 0   0    
2024-10-31 0 0 0      
2024-10-30 0 0 0 0    
2024-10-29 0 0        
2024-10-28 0 0 0 0    
2024-10-27 0 0        
2024-10-26 0 0        
2024-10-25 0 0 0 0    
2024-10-24 0 0        
2024-10-23 0 0 0 0    
2024-10-22 0 0        
2024-10-21 0 0 0 0    
2024-10-20 0 0        
2024-10-19 0.5 0.5        
2024-10-18 0 0 0 0    
2024-10-17 0 0 0 0    
2024-10-16 0 0 0      
2024-10-15 0 0   0    
2024-10-14 0 0        
2024-10-13 0 0        
2024-10-12 0 0        
2024-10-11 0 0 0 0    
2024-10-10 0 0        
2024-10-09 0 0 0 0    
2024-10-08 0 0        
2024-10-07     0 0    
2024-10-06            
2024-10-05            
2024-10-04 0 0 0 0    
2024-10-03 0 0        
2024-10-02 0 0 0 0    
2024-10-01 0 0        
0 value indicates sampling occurred. Calculations generated by SacPAS. Data Courtesy of USFWS Lodi and CDFW via StreamNet.

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
2/19/2025 524.6 -8.7% Flow>95cfs 771.8 -11.3% Flow>95cfs 25959.5    
2/18/2025 574.7 -13.0% Flow>95cfs 870.2 -15.2% Flow>95cfs 26201.1    
2/17/2025 660.8 -12.0% Flow>95cfs 1026.0 -14.4% Flow>95cfs 26431.2    
2/16/2025 751.0 -18.1% Flow>95cfs 1198.6 -18.2% Flow>95cfs 26705.0    
2/15/2025 916.8 -32.8% Flow>95cfs 1466.0 -26.7% Flow>95cfs 26827.8 41.1 WLK>7500cfs and KNL<56.3F
2/14/2025 1364.5 15.8% Flow>95cfs 2001.0 19.4% Flow>95cfs 26831.2 40.8 WLK>7500cfs and KNL<56.3F
2/13/2025 1178.8 106.5% Flow>95cfs Change>50% 1676.0 95.5% Flow>95cfs Change>50% 26876.5 40.7 WLK>7500cfs and KNL<56.3F
Calculations generated by SacPAS. Data Courtesy of CDEC and CDFW via StreamNet.

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 02/13/2025-02/19/2025 (last 7 days) and 02/06/2025-02/12/2025 (previous 7 days)

Juvenile Sampling Summary for 02/13/2025-02/19/2025 (last 7 days) and 02/06/2025-02/12/2025 (previous 7 days)
Date RangeData ItemButte Creek Diversion and RSTTisdale Weir RSTKnights Landing RSTLower Feather River RSTLower Sacramento River RSTSacramento Trawls (@ Sherwood Harbor)Sacramento Beach SeinesChipps Island TrawlsMossdale Trawls
Date RangeData ItemButte Creek Diversion and RSTTisdale Weir RSTKnights Landing RSTLower Feather River RSTLower Sacramento River RSTSacramento Trawls (@ Sherwood Harbor)Sacramento Beach SeinesChipps Island TrawlsMossdale Trawls
02/13/2025-02/19/2025Min Sample Date2025-02-132025-02-132025-02-132025-02-142025-02-142025-02-14
02/13/2025-02/19/2025Max Sample Date2025-02-142025-02-172025-02-192025-02-142025-02-192025-02-14
02/13/2025-02/19/2025Days with Sampling250100
02/13/2025-02/19/2025Fall Chinook1649595000
02/13/2025-02/19/2025Spring Chinook104200
02/13/2025-02/19/2025Winter Chinook000200
02/13/2025-02/19/2025LateFall Chinook000000
02/13/2025-02/19/2025Chinook (ad-clip)000000
02/13/2025-02/19/2025Steelhead (natural)000000
02/13/2025-02/19/2025Steelhead (ad-clip)000000
02/13/2025-02/19/2025Avg Flow (cfs)1596.945819.126547.529248.773965.573965.5165421.32252.7
02/13/2025-02/19/2025Avg Water Temp (F)8.841.049.549.549.953.7
02/13/2025-02/19/2025Avg Turbidity (NTU)44.845.6
02/06/2025-02/12/2025Min Sample Date2025-02-062025-02-072025-02-062025-02-072025-02-07
02/06/2025-02/12/2025Max Sample Date2025-02-122025-02-122025-02-112025-02-112025-02-12
02/06/2025-02/12/2025Days with Sampling45000
02/06/2025-02/12/2025Fall Chinook13920249000
02/06/2025-02/12/2025Spring Chinook22000
02/06/2025-02/12/2025Winter Chinook00000
02/06/2025-02/12/2025LateFall Chinook00000
02/06/2025-02/12/2025Chinook (ad-clip)31000
02/06/2025-02/12/2025Steelhead (natural)00000
02/06/2025-02/12/2025Steelhead (ad-clip)00000
02/06/2025-02/12/2025Avg Flow (cfs)2035.749122.027209.849623.176392.276392.2181925.61283.9
02/06/2025-02/12/2025Avg Water Temp (F)8.940.348.648.649.353.8
02/06/2025-02/12/2025Avg Turbidity (NTU)119.4115.4
source of Avg Flow (cfs)Butte Creek nr Chico (BCK)Colousa (COL)Wilkins Slough (WLK)Boyd's Landing (FSB)Verona (VON)Freeport (FPT)Freeport (FPT)Delta OutFlow (DTO)Vernalis (VNS)
source of Avg Water Temp (F)Butte CreekTisdale WeirKnights LandingLower Feather RiverLower Sacramento RiverHood (SRH)Hood (SRH)Chipps Island TrawlsVernalis (VNS)
source of Avg Turbidity (NTU)Butte CreekTisdale WeirKnights LandingLower Feather RiverLower Sacramento RiverSacramento TrawlsSacramento TrawlsChipps Island TrawlsMossdale Trawls
  • Butte Creek Diversion and RST: Preliminary data from CDFW via CalFish; subject to revision.
  • Tisdale Weir RST: Preliminary data from CDFW via CalFish and CDEC; subject to revision.
  • Knights Landing RST: Preliminary data from CDFW via CalFish and CDEC; subject to revision. Turbidity is a discrete measure. KNL measured in FTU which should be roughly equivalent to NTU.
  • Lower Feather River RST: Preliminary data from CDFW via CalFish; subject to revision.
  • Lower Sacramento River RST: Preliminary data from CDFW via CalFish; subject to revision.
  • Sacramento Trawls (@ Sherwood Harbor): Preliminary data from USFWS Lodi and CDEC; subject to revision.
  • Sacramento Beach Seines: Preliminary data from USFWS Lodi and CDEC; subject to revision.
  • Chipps Island Trawls: Preliminary data from USFWS Lodi and CDEC; subject to revision.
  • Mossdale Trawls: Preliminary data from USFWS Lodi and CDEC; subject to revision.
  • Averages: calculated for all non-null data points within the 7 day reporting period.

Historical Migration Pattern for "Today"

Average Percent by 02/19, with 95%CI, of annual emigrating population for juveniles of each species of interest 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, LAD Winter-run, Unclipped 98.9%
(98.1%,99.8%)
BY: 2015 - 2023
95.6%
(93.4%,97.8%)
BY: 2015 - 2023
96.4%
(94.4%,98.4%)
BY: 2015 - 2023
50.2%
(24.0%,76.4%)
BY: 2015 - 2023
7.6%
(1.5%,13.7%)
BY: 2015 - 2023
41.9%
(19.0%,64.7%)
WY: 2015 - 2024
Chinook, LAD Spring-run, Unclipped 16.8%
(5.1%,28.4%)
BY: 2015 - 2023
18.0%
(7.3%,28.6%)
BY: 2015 - 2023
28.5%
(8.3%,48.7%)
BY: 2015 - 2023
4.1%
(1.2%,6.9%)
BY: 2015 - 2023
0.0%
(0.0%,0.0%)
BY: 2015 - 2023
0.5%
(-0.6%,1.7%)
WY: 2015 - 2024
Steelhead, Unclipped (January-December) 1.5%
(0.2%,2.7%)
BY: 2015 - 2024
41.8%
(24.5%,59.2%)
BY: 2015 - 2024
38.1%
(22.7%,53.6%)
BY: 2015 - 2024
31.4%
(2.3%,60.4%)
BY: 2015 - 2024
27.3%
(7.7%,46.8%)
BY: 2015 - 2024
 
Chinook, DNA Winter-run, Unclipped (Water Year)           30.3%
(-4.8%,65.4%)
WY: 2020 - 2024
Steelhead, Unclipped (Water Year)           21.2%
(10.8%,31.6%)
WY: 2015 - 2024
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.

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.

Delta STARS Survival and Routing Estimates
StockDateRouteParameterEstimateLower 80% Credible LimitUpper 80% Credible Limit
Winter Chinook2025-02-19OverallMedian Travel Time8.61090000000000097.65179.5296
Winter Chinook2025-02-19OverallSurvival0.719230.619170.8155
Winter Chinook2025-02-19Sacramento RiverMedian Travel Time3.05333
Winter Chinook2025-02-19Sacramento RiverRouting Probability0.0654720.0360430.1008
Winter Chinook2025-02-19Sacramento RiverSurvival0.833550.767780.89782
Winter Chinook2025-02-19Yolo BypassMedian Travel Time9.152810
Winter Chinook2025-02-19Yolo BypassRouting Probability0.905380.854030.94815
Winter Chinook2025-02-19Yolo BypassSurvival0.709140.598050.81268
Winter Chinook2025-02-19Sutter SloughMedian Travel Time3.79434
Winter Chinook2025-02-19Sutter SloughRouting Probability0.0118530.00575080.019203
Winter Chinook2025-02-19Sutter SloughSurvival0.734330.628640.82356
Winter Chinook2025-02-19Steamboat SloughMedian Travel Time3.14934
Winter Chinook2025-02-19Steamboat SloughRouting Probability0.00810260.00378640.013094
Winter Chinook2025-02-19Steamboat SloughSurvival0.831760.761720.89847
Winter Chinook2025-02-19Interior DeltaMedian Travel Time5.96356
Winter Chinook2025-02-19Interior DeltaRouting Probability0.00918970.00455650.015106
Winter Chinook2025-02-19Interior DeltaSurvival0.786290.668440.88313
Late-fall Chinook2025-02-19OverallMedian Travel Time9.21577.054612.429
Late-fall Chinook2025-02-19OverallSurvival0.338060.231330.43858
Late-fall Chinook2025-02-19Delta Cross ChannelMedian Travel Time16.94310.91426.849
Late-fall Chinook2025-02-19Delta Cross ChannelRouting Probability0.1690.09390.261
Late-fall Chinook2025-02-19Delta Cross ChannelSurvival0.132410.0502120.29774
Late-fall Chinook2025-02-19Georgiana SloughMedian Travel Time15.08210.02723.69
Late-fall Chinook2025-02-19Georgiana SloughRouting Probability0.1780.1310.242
Late-fall Chinook2025-02-19Georgiana SloughSurvival0.188210.0724490.36513
Late-fall Chinook2025-02-19Sacramento RiverMedian Travel Time6.59214.79199.6054
Late-fall Chinook2025-02-19Sacramento RiverRouting Probability0.36550.2780.434
Late-fall Chinook2025-02-19Sacramento RiverSurvival0.447940.275130.5992
Late-fall Chinook2025-02-19Sutter and Steamboat SloughMedian Travel Time6.88194.758910.292
Late-fall Chinook2025-02-19Sutter and Steamboat SloughRouting Probability0.2810.25290.305
Late-fall Chinook2025-02-19Sutter and Steamboat SloughSurvival0.401030.22820.57774

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.

plot Estimates of Winter-run Chinook Loss generated by Loss and Salvage Predictor tool
Estimates of Winter-run Chinook Loss generated by Loss and Salvage Predictor tool
plot Estimates of Steelhead Loss generated by Loss and Salvage Predictor tool
Estimates of Steelhead 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 CDEC202520Data9.7
precipPrecipitation Inches, 5 day running sum, Stockton Fire Station (SFS) from CDEC202520Data1.11
om.sumOMR Flows CFS, sum of tidally-filtered discharge at Middle River and Bacon Island from USGS202520Data-5884
sacSacramento Flows CFS, Freeport (FPT) from CDEC202520Data74568
dccDCC Gate Status from BOR202520Dataclosed
sjrSan Joaquin River Flow CFS, Vernalis (VNS) from CDEC 202520Data1924
exportExports CFS, sum of Pumping Discharge at HRO and TRP from CDEC202520Data6267
steelhead.pwSteelhead Previous Week202520Data43.91
winter.pwWinter Chinook Previous Week202520Data19.78
temp.malWater Temperature °C, Mallard Island (MAL) from CDEC202521Forecast9.7
precipPrecipitation Inches, 5 day running sum, Stockton Fire Station (SFS) from CDEC202521Forecast1.11
om.sumOMR Flows CFS, sum of tidally-filtered discharge at Middle River and Bacon Island from USGS202521Forecast-5884
sacSacramento Flows CFS, Freeport (FPT) from CDEC202521Forecast74568
dccDCC Gate Status from BOR202521Forecastclosed
sjrSan Joaquin River Flow CFS, Vernalis (VNS) from CDEC 202521Forecast1924
exportExports CFS, sum of Pumping Discharge at HRO and TRP from CDEC202521Forecast6267
steelhead.pwSteelhead Previous Week202521Forecast80.16
winter.pwWinter Chinook Previous Week202521Forecast23.2
Fish, Loss and Salvage Predictor Input and Output
Parameter TokenParameter DescriptionWater YearWeekValue
Steelhead.LowPredicted Steelhead, Low %2025201
Steelhead.MedianPredicted Steelhead, Median %20252080
Steelhead.HighPredicted Steelhead, High %202520165
Winter.Run.LowPredicted Chinook Winter Run, Low %2025200
Winter.Run.MedianPredicted Chinook Winter Run, Median %20252023
Winter.Run.HighPredicted Chinook Winter Run, High %202520112
Steelhead.Observed.lossObserved Steelhead loss20252039
Winter.Run.Observed.lossObserved Chinook Winter Run loss2025200
Steelhead.Cumulative.lossObserved Steelhead Cumulative loss202520100
Winter.Run.Cumulative.lossObserved Chinook Winter Run Cumulative loss20252039
Steelhead.LowPredicted Steelhead, Low %2025219
Steelhead.MedianPredicted Steelhead, Median %202521117
Steelhead.HighPredicted Steelhead, High %202521389
Winter.Run.LowPredicted Chinook Winter Run, Low %2025210
Winter.Run.MedianPredicted Chinook Winter Run, Median %20252127
Winter.Run.HighPredicted Chinook Winter Run, High %202521219
Steelhead.Observed.lossObserved Steelhead loss202521NA
Winter.Run.Observed.lossObserved Chinook Winter Run loss202521NA
Steelhead.Cumulative.lossObserved Steelhead Cumulative loss202521100
Winter.Run.Cumulative.lossObserved Chinook Winter Run Cumulative loss20252139

Spring Surrogates

Spring-Run Chinook Salmon Hatchery Surrogate Summary Table, Water Year 2025
Type Hatchery Release Start Release End Race Total # of Fish Released # of CWT Fish Released Tag Codes Loss Threshold (0.25% of CWT Released) Confirmed Loss % Loss of CWT Number Released First Loss Last Loss Confirmed Loss CWT Tag Codes
Yearling Coleman NFH 2024-11-20 2024-11-20 Late-Fall 698,892 698,892050038, 050039, 050040, 050041, 050042, 050043, 050044, 052900, 053300, 053400, 053500 1747.23 919.49 0.13% 2024-11-29 2025-01-31050038, 050039, 050040, 050041, 050042, 050043, 050044, 052900, 053300, 053400, 053500
Yearling Coleman NFH 2024-12-13 2024-12-13 Late-Fall 77,355 77,355053100 193.39 63.86 0.08% 2024-12-25 2025-01-12053100
Yearling Coleman NFH 2025-01-17 2025-01-17 Late-Fall 74,425 74,425053000 186.06 30.06 0.04% 2025-01-31 2025-02-16053000
Surrogate releases identified by SaMT and based on PA 3.7.4.5.7.

Single-Year Loss Thresholds

Single-Year Loss Thresholds

  • Natural Winter-Run Chinook Salmon (loss= 0.5% of JPE)
  • Natural Central Valley Steelhead (loss = 3000)

Loss Summary Table

WY2025 Unclipped Chinook and Steelhead Loss Summary, max date possible 2025-02-19
WYData ItemDNA Winter-run Chinook : 7/1-6/30LAD Winter-run Chinook : 7/1-6/30Natural Steelhead : 7/1-6/30
WY2025Loss Total Last 1-7 days (02/13/2025-02/19/2025)017.2547.24
WY2025Loss Total Last 8-14 days (02/06/2025-02/12/2025)2.62.632.53
WY2025Cumulative Loss Total5.1456.45108.47
WY2025Cumulative Loss Percent of Threshold1.04%NA3.62%
WY2025Single-Year Loss Threshold494.47NA3000

Natural DNA Winter-Run Chinook Salmon Loss Figures

graph loss Natural DNA Winter-Run Chinook Salmon
Natural DNA Winter-Run Chinook Salmon Loss Cumulative to Date with Single Year Loss Thresholds

Natural LAD Winter-Run Chinook Salmon Loss Figures

graph loss Natural Winter-Run Chinook Salmon
Natural LAD Winter-Run Chinook Salmon Loss Cumulative to Date with Single Year Loss Thresholds
graph loss Natural Winter-Run Chinook Salmon with WY2009-2018 history
Natural LAD Winter-Run Chinook Salmon Loss Cumulative to Date with WY2009-2018 history and Single Year Loss Thresholds
graph loss Natural Winter-Run Chinook Salmon with WY2009-2018 history
Natural LAD Winter-Run Chinook Salmon Loss Cumulative to Date with historical years and Single Year Loss Thresholds

Natural Central Valley Steelhead Loss Figures

graph loss Natural Central Valley Steelhead
Natural Central Valley Steelhead Loss Cumulative to Date with Single Year Loss Thresholds
graph Natural Central Valley Steelhead with WY2009-2018 history
Natural Central Valley Steelhead Loss Cumulative to Date with Historical Loss and Single Year Loss Thresholds
graph loss Natural Central Valley Steelhead with WY2009-2018 history
Natural Central Valley Steelhead Loss Cumulative to Date with Historical Loss and Single Year Loss Thresholds

Daily Loss Table

WY2025 Unclipped Chinook and Steelhead Loss Daily
WYDateDNA Winter-run Chinook : 7/1-6/30 : Daily LossDNA Winter-run Chinook : 7/1-6/30 : Cum LossLAD Winter-run Chinook : 7/1-6/30 : Daily LossLAD Winter-run Chinook : 7/1-6/30 : Cum LossNatural Steelhead : 7/1-6/30 : Daily LossNatural Steelhead : 7/1-6/30 : Cum Loss
WYDateDNA Winter-run Chinook : 7/1-6/30 : Daily LossDNA Winter-run Chinook : 7/1-6/30 : Cum LossLAD Winter-run Chinook : 7/1-6/30 : Daily LossLAD Winter-run Chinook : 7/1-6/30 : Cum LossNatural Steelhead : 7/1-6/30 : Daily LossNatural Steelhead : 7/1-6/30 : Cum Loss
WY20252025-02-1905.1417.2556.452.72108.47
WY20252025-02-1805.14039.25.44105.75
WY20252025-02-1705.14039.228.2100.31
WY20252025-02-1605.14039.28.1672.11
WY20252025-02-1505.14039.22.7263.95
WY20252025-02-1405.14039.2061.23
WY20252025-02-1305.14039.2061.23
WY20252025-02-1205.14039.2061.23
WY20252025-02-1105.14039.2061.23
WY20252025-02-1005.14039.2061.23
WY20252025-02-0905.14039.2061.23
WY20252025-02-082.65.142.639.25.4461.23
WY20252025-02-0702.54036.65.4455.79
WY20252025-02-0602.54036.621.6550.35
WY20252025-02-0502.5417.1836.68.6628.7
WY20252025-02-0402.54019.422.7220.04
WY20252025-02-0302.54019.42017.32
WY20252025-02-0202.54019.42017.32
WY20252025-02-0102.54019.42017.32
WY20252025-01-3102.54019.42017.32
WY20252025-01-3002.54019.42017.32
WY20252025-01-2902.54019.42017.32
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Data Notes

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

  1. Long-Term Operation of the Central Valley Project and State Water Project, Bay-Delta Office, USBR
  2. Long-Term Operation – Biological Assessment: Chapter 3 – Proposed Action, USBR
    • 3.7.4.5.3 Winter-Run Chinook Salmon Annual Loss Threshold, pg 3-62
    • 3.7.4.5.5 Steelhead Annual Threshold, pg 3-65
  3. Water condtions data courtesy of CDEC.
  4. 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".
  5. 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.
  6. 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
SacPAS Related Queries and Tools: