SacPAS: Central Valley Prediction & Assessment of Salmon

UW Columbia Basin Research
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SacPAS: Central Valley Prediction and Assessment of Salmon through Ecological Data and Modeling for In-Season Management

Mission: Provide web-based services to link data and science to in-season management.

This website provides monitoring, evaluation, and web-based data products and services for primary and associated activities funded by the U.S. Bureau of Reclamation (USBR) and mandated by the Endangered Species Act (ESA). It serves as a means by which information integration services can be provided to the Central Valley Project Improvement Act (CVPIA) and ESA participants. Web-based services relate fish passage to environmental conditions and provide resources for evaluating the effects of river management and environmental conditions on salmon passage and survival.

Data Queries & Alerts Fish Model

Publicly accessible, web-based query and reporting system of historical and current fish, environmental, and hydrologic information, vital to year-round planning and adaptive management of the Central Valley Project and State Water Project. Data uploads provide the most up-to-date data as it is made available, whether it be daily, biweekly, monthly or annually. Basic conditions, performance measures, and threshold-based alerts are available through data aggregation and analysis of environmental conditions.

Adapts a smolt passage model based on NOAA’s Comprehensive Passage (COMPASS) Model to characterize movement and survival of juvenile fish through the Sacramento River system. The model uses available data from long-term monitoring sites and forecasts where available. Physical data may include water velocity, temperature, and flow. Biological data may include timing and location of spawning, and fish passage observations. User controls for fish movement, survival and other sub-models make this a flexible tool for river management, scenario evaluation and analysis. SacPAS Fish Model User's Manual.

Work Groups & Teams Tools

Customized data visualizations, critical limits, and data tables of current conditions in real-time to facilitate monitoring and management by Central Valley Work Groups and Monitoring Teams. Currently: Smelt Monitoring Team and Salmon Monitoring Team. Stanislaus Watershed Team is in early development.

Interactive statistical software and models for prediction of loss/salvage and analysis of fish growth. Shiny Apps developed by SacPAS in support of various tools and models.

Recent Updates

River Conditions Map-based Query Queries, Data Queries & Alerts
Implemented interactive, map-based application to explore data inventory and query River Conditions. 20 April 2023.
River Conditions Queries, Data Queries & Alerts
Implemented query option to Limit Locations by Hydrologic Area for improved usability. Expanded locations in SacPAS database for San Joaquin River Basin, including locations in Stanislaus, Tuolumne, Merced rivers. 11 October 2022.
CDFW GrandTab, Data Queries & Alerts
Annual population estimates CDFW GrandTab 2022.07.20, California Central Valley Chinook Population Database, implemented in SacPAS database. 1 August 2022.
SacPAS Fish Model v.2.7: Egg to Fry (Spawning to Emergence) and In-river Migration, Fish Model
This model is used to simulate the development and survival of Winter Chinook eggs from fertilization through emergence. The entire incubation period, emergence, and juvenile survival (from the spawning grounds to Red Bluff Diversion Dam aka RBDD) is assessed for annual cohorts. These results can then be sent to the migration model, if desired. 16 September 2021.
Loss and Salvage Predictor, Tools
Realtime forecast of Loss and Salvage is made from approximately December to mid-June. 29 June 2020.
Delta Smelt and Current Conditions, Work Groups & Teams
Real-time conditions for the Smelt Monitoring Team. 29 June 2020.
Delta Loss, Data Queries & Alerts
Query expanded to include Day/Night Patterns option. 27 September 2019.
Salvage and Loss Summary, Data Queries & Alerts
Summary Salvage and Loss tables for Chinook and Steelhead, unclipped and clipped, at SWP and CVP Delta Fish Facilities. 23 September 2019.
Juvenile Monitoring & Sampling, Data Queries & Alerts
Latest Monitoring Dates in SacPAS Database:
  • Red Bluff Diversion Dam RST: 2023-09-23
  • Tisdale Weir RST: 2023-06-29
  • Knights Landing RST: 2023-06-14
  • Lower Feather River RST: 2023-07-04
  • Lower Sacramento River RST: 2023-06-28
  • Sacramento Trawls (@ Sherwood Harbor): 2023-09-22
  • Sacramento Beach Seines: 2023-09-21
  • Chipps Island Trawls: 2023-09-22
  • Mossdale Trawls: 2023-09-22
  • Enhanced Delta Smelt Monitoring: 2023-08-23
  • SWP & CVP Non-Clipped Older Juvenile Chinook Loss: 2023-08-03
  • SWP & CVP Non-Clipped Fry/Smolt Chinook Loss: 2023-07-13
  • SWP & CVP Non-Clipped Steelhead Loss: 2023-06-14
  • SWP & CVP Clipped Loss: 2023-06-19
  • SWP & CVP Exports: 2023-08-10

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SacPAS: Central Valley Prediction & Assessment of Salmon, University of Washington, Columbia Basin Research,

Friday, 28-Apr-2023 17:15:43 PDT