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650 datasets

Stormwater - Regulatory (including Enforcement Actions) Information and Water Quality Results

Published by: California State Water Resources Control Board
Last updated: Tuesday, October 14, 2025
File types: CSV

This dataset looks at all aspects of storm water management in California as managed and regulated by the State Water Resources Control Board, from th...

Fish Salvage in State Water Project and Central Valley Project - California

Published by: California Department of Fish and Wildlife
Last updated: Sunday, October 19, 2025
File types: XLSX, ZIP

Two fish protective facilities reduce fish losses associated with water export by the federal Central Valley Project (CVP) and California’s State Wate...

2025 Draft Updates of Data for CEC Busbar Mapping Assessment (2026-2027 IRP Cycle)

Published by: California Energy Commission
Last updated: Sunday, October 19, 2025
File types: HTML

During the August 19, 2025 Modeling Advisory Group webinar as part of the CPUC’s Assumptions for the 2026-2027 TPP, CEC staff proposed a number of upd...

Drought and Water Shortage Risk: Small Suppliers and Rural Communities (Version 2021)

Published by: California Department of Water Resources
Last updated: Monday, October 20, 2025
File types: XLSX, XLS

Per California Water Code Section 10609.80 (a), DWR has released an update to the indicators analyzed for the rural communities water shortage vulnera...

2021-2022 West False River Emergency Drought Barrier water quality, flow, and fish monitoring

Published by: California Department of Water Resources
Last updated: Sunday, October 19, 2025
File types:

To manage the critically low 2021 water supply for beneficial uses, DWR installed the temporary emergency drought barrier (EDB) on West False River in...

California Central Valley Groundwater-Surface Water Simulation Model – Fine Grid (C2VSimFG)

Published by: California Department of Water Resources
Last updated: Monday, October 20, 2025
File types: ZIP, PDF

(Released on June 6, 2025) Version 1.5 of the California Central Valley Groundwater-Surface Water Simulation Model – Fine Grid (C2VSimFG) is a major u...

Interagency Ecological Program: Zooplankton catch and water quality data from the Sacramento River floodplain and tidal slough, collected by the Yolo Bypass Fish Monitoring Program, 1998-2018.

Published by: California Department of Water Resources
Last updated: Sunday, October 19, 2025
File types:

Largely supported by the Interagency Ecological Program (IEP), the California Department of Water Resources (DWR) has operated a fisheries and inverte...

Interagency Ecological Program: Fish catch and water quality data from the Sacramento River floodplain and tidal slough, collected by the Yolo Bypass Fish Monitoring Program, 1998-2023.

Published by: California Department of Water Resources
Last updated: Monday, October 20, 2025
File types:

Largely supported by the Interagency Ecological Program (IEP), California Department of Water Resources (DWR) has operated a fish monitoring program i...

Periodic Groundwater Level Measurements

Published by: California Department of Water Resources
Last updated: Monday, October 20, 2025
File types: CSV, ZIP, TXT

The DWR Periodic Groundwater Levels dataset contains seasonal and long-term groundwater level measurements collected by the Department of Water Resour...

Los Angeles River Restoration and Access (LLARRA) Water Quality Analysis - Lower Los Angeles River - 2024-2025

Published by: California Department of Fish and Wildlife
Last updated: Monday, October 20, 2025
File types: XLS, ZIP

WCB Grant 2023114: Lower Los Angeles River Restoration and Access: Data includes one (1) year of water quality analysis to inform the design and serve...