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
2/8/2025 1271.5 -48.3% Flow>95cfs 2036.1 -36.9% Flow>95cfs 27468.9    
2/7/2025 2458.0 9.3% Flow>95cfs 3227.1 8.6% Flow>95cfs 27473.7    
2/6/2025 2249.5 -39.9% Flow>95cfs 2970.9 -42.8% Flow>95cfs 27094.3    
2/5/2025 3743.3 -48.3% Flow>95cfs 5189.4 -38.2% Flow>95cfs 26507.9    
2/4/2025 7236.9 97.0% Flow>95cfs Change>50% 8397.5 138.8% Flow>95cfs Change>50% 25480.5    
2/3/2025 3674.1 57.6% Flow>95cfs Change>50% 3516.0 63.3% Flow>95cfs Change>50% 18480.2    
2/2/2025 2331.8 722.9% Flow>95cfs Change>50% 2152.6 761.8% Flow>95cfs Change>50% 10428.5    
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 02/02/2025-02/08/2025 (last 7 days) and 01/26/2025-02/01/2025 (previous 7 days)

Juvenile Sampling Summary for 02/02/2025-02/08/2025 (last 7 days) and 01/26/2025-02/01/2025 (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
02/02/2025-02/08/2025Min Sample Date2025-02-052025-02-032025-02-042025-02-032025-02-03
02/02/2025-02/08/2025Max Sample Date2025-02-072025-02-072025-02-052025-02-072025-02-07
02/02/2025-02/08/2025Days with Sampling30200
02/02/2025-02/08/2025Fall Chinook2525076500
02/02/2025-02/08/2025Spring Chinook32000
02/02/2025-02/08/2025Winter Chinook10020
02/02/2025-02/08/2025LateFall Chinook00000
02/02/2025-02/08/2025Chinook (ad-clip)10000
02/02/2025-02/08/2025Steelhead (natural)00000
02/02/2025-02/08/2025Steelhead (ad-clip)00000
02/02/2025-02/08/2025Avg Flow (cfs)4460.439340.623276.347395.962637.562637.597134.71270.9
02/02/2025-02/08/2025Avg Water Temp (F)9.649.649.650.254.5
02/02/2025-02/08/2025Avg Turbidity (NTU)208.1
01/26/2025-02/01/2025Min Sample Date2025-01-262025-01-262025-01-262025-01-262025-01-272025-01-272025-01-272025-01-27
01/26/2025-02/01/2025Max Sample Date2025-02-012025-02-012025-01-262025-01-312025-01-302025-01-272025-01-302025-01-30
01/26/2025-02/01/2025Days with Sampling77160100
01/26/2025-02/01/2025Fall Chinook904822615900
01/26/2025-02/01/2025Spring Chinook110802100
01/26/2025-02/01/2025Winter Chinook10000000
01/26/2025-02/01/2025LateFall Chinook00000000
01/26/2025-02/01/2025Chinook (ad-clip)00000000
01/26/2025-02/01/2025Steelhead (natural)00000000
01/26/2025-02/01/2025Steelhead (ad-clip)121280000
01/26/2025-02/01/2025Avg Flow (cfs)321.39740.19890.34597.819384.219384.213849.91161.1
01/26/2025-02/01/2025Avg Water Temp (F)8.840.740.340.548.548.549.352.1
01/26/2025-02/01/2025Avg Turbidity (NTU)11.312.24.011.9
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 02/08, 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 98.8%
(98.0%,99.7%)
BY: 2015 - 2023
94.0%
(90.3%,97.8%)
BY: 2015 - 2023
93.4%
(89.6%,97.3%)
BY: 2015 - 2023
45.3%
(18.1%,72.5%)
BY: 2015 - 2023
5.6%
(0.6%,10.6%)
BY: 2015 - 2023
37.4%
(14.6%,60.2%)
WY: 2015 - 2024
Chinook, LAD Spring-run, Unclipped 16.3%
(4.8%,27.8%)
BY: 2015 - 2023
17.1%
(7.2%,27.0%)
BY: 2015 - 2023
28.0%
(7.8%,48.1%)
BY: 2015 - 2023
3.3%
(0.3%,6.4%)
BY: 2015 - 2023
0.0%
(0.0%,0.0%)
BY: 2015 - 2023
0.0%
(-0.0%,0.0%)
WY: 2015 - 2024
Steelhead, Unclipped (January-December) 1.2%
(-0.1%,2.5%)
BY: 2015 - 2024
30.2%
(12.1%,48.4%)
BY: 2015 - 2024
36.7%
(19.7%,53.7%)
BY: 2015 - 2024
23.6%
(-6.0%,53.3%)
BY: 2015 - 2024
10.2%
(0.4%,20.1%)
BY: 2015 - 2024
 
Chinook, DNA Winter-run, Unclipped (Water Year)           27.2%
(-8.0%,62.3%)
WY: 2020 - 2024
Steelhead, Unclipped (Water Year)           12.4%
(4.2%,20.6%)
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 Chinook2025-02-08OverallMedian Travel Time6.48065.96746.9991
Winter Chinook2025-02-08OverallSurvival0.822930.70510.93047
Winter Chinook2025-02-08Sacramento RiverMedian Travel Time2.49923
Winter Chinook2025-02-08Sacramento RiverRouting Probability0.00296821.2927e-40.007285
Winter Chinook2025-02-08Sacramento RiverSurvival0.871030.759030.95594
Winter Chinook2025-02-08Yolo BypassMedian Travel Time6.49667
Winter Chinook2025-02-08Yolo BypassRouting Probability0.995770.989590.99982
Winter Chinook2025-02-08Yolo BypassSurvival0.822790.704940.93047
Winter Chinook2025-02-08Sutter SloughMedian Travel Time3.09634
Winter Chinook2025-02-08Sutter SloughRouting Probability5.2603e-42.15e-50.0013359000000000001
Winter Chinook2025-02-08Sutter SloughSurvival0.783910.651170.90077
Winter Chinook2025-02-08Steamboat SloughMedian Travel Time2.61923
Winter Chinook2025-02-08Steamboat SloughRouting Probability3.4141e-41.2917e-58.1796e-4
Winter Chinook2025-02-08Steamboat SloughSurvival0.870420.761430.95833
Winter Chinook2025-02-08Interior DeltaMedian Travel Time5.65256
Winter Chinook2025-02-08Interior DeltaRouting Probability3.98e-41.534e-59.7039e-4
Winter Chinook2025-02-08Interior DeltaSurvival0.825030.689460.92885
Late-fall Chinook2025-02-08OverallMedian Travel Time9.69717.318113.014
Late-fall Chinook2025-02-08OverallSurvival0.314660.218860.41789
Late-fall Chinook2025-02-08Delta Cross ChannelMedian Travel Time17.64211.75928.33
Late-fall Chinook2025-02-08Delta Cross ChannelRouting Probability0.1830.10290.2761
Late-fall Chinook2025-02-08Delta Cross ChannelSurvival0.133060.051660.29571
Late-fall Chinook2025-02-08Georgiana SloughMedian Travel Time15.80610.67725.167
Late-fall Chinook2025-02-08Georgiana SloughRouting Probability0.1790.1350.2481
Late-fall Chinook2025-02-08Georgiana SloughSurvival0.174620.0652760.36039
Late-fall Chinook2025-02-08Sacramento RiverMedian Travel Time6.82164.781110.062
Late-fall Chinook2025-02-08Sacramento RiverRouting Probability0.35950.2670.432
Late-fall Chinook2025-02-08Sacramento RiverSurvival0.412040.257740.56548
Late-fall Chinook2025-02-08Sutter and Steamboat SloughMedian Travel Time7.03314.886510.371
Late-fall Chinook2025-02-08Sutter and Steamboat SloughRouting Probability0.27050.2420.3
Late-fall Chinook2025-02-08Sutter and Steamboat SloughSurvival0.387760.215620.53242

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 CDEC202518Data9.6
precipPrecipitation Inches, 5 day running sum, Stockton Fire Station (SFS) from CDEC202518Data0.14
om.sumOMR Flows CFS, sum of tidally-filtered discharge at Middle River and Bacon Island from USGS202518Data-6064
sacSacramento Flows CFS, Freeport (FPT) from CDEC202518Data25488
dccDCC Gate Status from BOR202518Dataclosed
sjrSan Joaquin River Flow CFS, Vernalis (VNS) from CDEC 202518Data1181
exportExports CFS, sum of Pumping Discharge at HRO and TRP from CDEC202518Data6109
steelhead.pwSteelhead Previous Week202518Data0
winter.pwWinter Chinook Previous Week202518Data0
temp.malWater Temperature °C, Mallard Island (MAL) from CDEC202519Forecast9.6
precipPrecipitation Inches, 5 day running sum, Stockton Fire Station (SFS) from CDEC202519Forecast0.14
om.sumOMR Flows CFS, sum of tidally-filtered discharge at Middle River and Bacon Island from USGS202519Forecast-6064
sacSacramento Flows CFS, Freeport (FPT) from CDEC202519Forecast25488
dccDCC Gate Status from BOR202519Forecastclosed
sjrSan Joaquin River Flow CFS, Vernalis (VNS) from CDEC 202519Forecast1181
exportExports CFS, sum of Pumping Discharge at HRO and TRP from CDEC202519Forecast6109
steelhead.pwSteelhead Previous Week202519Forecast5.44
winter.pwWinter Chinook Previous Week202519Forecast2.6
Fish, Loss and Salvage Predictor Input and Output
Parameter TokenParameter DescriptionWater YearWeekValue
Steelhead.LowPredicted Steelhead, Low %2025180
Steelhead.MedianPredicted Steelhead, Median %2025185
Steelhead.HighPredicted Steelhead, High %20251855
Winter.Run.LowPredicted Chinook Winter Run, Low %2025180
Winter.Run.MedianPredicted Chinook Winter Run, Median %2025183
Winter.Run.HighPredicted Chinook Winter Run, High %20251832
Steelhead.Observed.lossObserved Steelhead loss2025180
Winter.Run.Observed.lossObserved Chinook Winter Run loss2025180
Steelhead.Cumulative.lossObserved Steelhead Cumulative loss20251817
Winter.Run.Cumulative.lossObserved Chinook Winter Run Cumulative loss20251819
Steelhead.LowPredicted Steelhead, Low %2025190
Steelhead.MedianPredicted Steelhead, Median %20251917
Steelhead.HighPredicted Steelhead, High %20251961
Winter.Run.LowPredicted Chinook Winter Run, Low %2025190
Winter.Run.MedianPredicted Chinook Winter Run, Median %2025195
Winter.Run.HighPredicted Chinook Winter Run, High %20251932
Steelhead.Observed.lossObserved Steelhead loss202519NA
Winter.Run.Observed.lossObserved Chinook Winter Run loss202519NA
Steelhead.Cumulative.lossObserved Steelhead Cumulative loss20251917
Winter.Run.Cumulative.lossObserved Chinook Winter Run Cumulative loss20251919

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 2.88 0.00% 2025-01-31 2025-01-31053000
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 2025-02-06
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 (02/02/2025-02/08/2025)017.1833.03
WY2025Loss Total Last 8-14 days (01/26/2025-02/01/2025)000
WY2025Cumulative Loss Total2.5436.650.35
WY2025Cumulative Loss Percent of Threshold0.51%NA1.68%
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
WY20252025-02-0602.54036.621.6550.35
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
WY20252025-01-2802.54019.42017.32
WY20252025-01-2702.54019.42017.32
WY20252025-01-2602.54019.42017.32
WY20252025-01-2502.54019.42017.32
WY20252025-01-2402.54019.42017.32
WY20252025-01-2302.54019.42017.32
WY20252025-01-2202.54019.42017.32
WY20252025-01-2102.54019.42017.32
WY20252025-01-2002.54019.42017.32
WY20252025-01-1902.548.819.42017.32
WY20252025-01-1802.54010.62017.32
WY20252025-01-1702.54010.62017.32
WY20252025-01-162.542.542.5410.62017.32
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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: