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421 datasets

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

Published by: California Department of Water Resources
Last updated: Thursday, April 23, 2026
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...

i08 GroundwaterStations EnterpriseWaterManagement

Published by: California Department of Water Resources
Last updated: Friday, April 24, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a point feature class of all groundwater elevation monitoring stations (wells) maintained in the California Department of Water Resources’ (he...

i08 FaultCrossings StateWaterProject

Published by: California Department of Water Resources
Last updated: Thursday, April 23, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Approximate locations of faults crossing the California Aqueduct, Coastal Branch, North Bay Aqueduct, and South Bay Aqueduct. Taken from "State Water ...

i08 Stations Discrete Grab Water Quality

Published by: California Department of Water Resources
Last updated: Thursday, April 23, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a point feature class of environmental monitoring stations maintained in the California Department of Water Resources’ (hereafter the Departme...

i08 Stations Discrete Grab Water Quality

Published by: California Department of Water Resources
Last updated: Thursday, April 23, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

This is a point feature class of environmental monitoring stations maintained in the California Department of Water Resources’ (hereafter the Departme...

Groundwater Basin Boundary Descriptions - Lahontan Region (6-XXX Basins)

Published by: California Department of Water Resources
Last updated: Thursday, April 23, 2026
File types: PDF

This dataset includes the official groundwater basin boundary descriptions for California's 515 groundwater basins. To make locating descriptions easi...

2010 Urban Water Management Plan (UWMP) Data

Published by: California Department of Water Resources
Last updated: Friday, April 24, 2026
File types: XLS, XLSX, PNG

Numeric data gleaned from the 2010 UWMP reports as reported in the DOST database....

Urban Water Data - Drought Planning and Management

Published by: California Department of Water Resources
Last updated: Friday, April 24, 2026
File types: CSV, PDF

This data package aims to pilot an approach for providing usable data for analyses related to drought planning and management for urban water supplier...

Annual Water Supply and Demand Assessment (AWSDA)

Published by: California Department of Water Resources
Last updated: Thursday, April 23, 2026
File types: XLSX

Annual Water Supply and Demand Assessment (AWSDA)...

DWR Flood-MAR Water Quality Sampling Pilot

Published by: California Department of Water Resources
Last updated: Thursday, April 23, 2026
File types: PDF

A repository of Pilot-specific documents used for targeted Pilot outreach and implementation....