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152 datasets

Northern Sacramento Valley Groundwater Elevation Change Maps

Published by: California Department of Water Resources
Last updated: Tuesday, April 7, 2026
File types: ZIP

Groundwater Elevation Change Maps summarize the change in groundwater level measurements over time, collected from wells in the northern Sacramento Va...

i08 GroundwaterLevelChangeSeasonal Points

Published by: California Department of Water Resources
Last updated: Tuesday, April 7, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset depicts change in groundwater level at selected monitoring locations (wells) between two specified years, by season. Change values repres...

i02 Natural Communities Commonly Associated with Groundwater (NCCAG)

Published by: California Department of Water Resources
Last updated: Tuesday, April 7, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

The Natural Communities Commonly Associated with Groundwater (NCCAG) dataset is a compilation of phreatophytic vegetation, regularly flooded natural w...

Surface Water - Flow Targets for Southern California Streams

Published by: California State Water Resources Control Board
Last updated: Wednesday, October 23, 2019
File types: CSV, PDF, ARCGIS

Changes to instream flow are known to be one of the major factors that affect the health of biological communities. Flow alteration can degrade physic...

WDL Ground Surface Displacement - Land Subsidence Monitoring

Published by: California Department of Water Resources
Last updated: Wednesday, April 8, 2026
File types: CSV

Borehole extensometers are a more site specific method of measuring land subsidence. These instruments consist of a pipe or cable anchored at the bott...

WEAP Future Scenarios Model for Water Plan Update 2023

Published by: California Department of Water Resources
Last updated: Wednesday, April 8, 2026
File types: ZIP, PDF, CSV

California Water Code Section 10004.6 requires the California Department of Water Resources (DWR) to quantify current and future water conditions in t...

Microplastic and Microparticle Data from Surface Water: San Francisco Bay and Adjacent Sanctuaries

Published by: California Ocean Protection Council
Last updated: Friday, April 3, 2026
File types: XLSX, PDF

The San Francisco Estuary Institute and 5 Gyres completed a comprehensive regional study of microplastic pollution of a major urban estuary and adjace...

Water Plan Water Balance Data

Published by: California Department of Water Resources
Last updated: Tuesday, April 7, 2026
File types: PDF, .ZIP, ZIP

Department of Water Resources California Water Plan program computes applied, net, and depletion water balances for California. Water balances are sim...

Drinking Water - Public Water System Annually Reported Water Production and Delivery Information 2013-2022

Published by: California State Water Resources Control Board
Last updated: Wednesday, November 27, 2024
File types: PDF, ZIP, CSV, XLSX

Amount of water produced by month and by source and the water delivered by type of use and by month for every Public Water System (PWS) reporting. Pub...

i07 Water Shortage Vulnerability Small Water Systems

Published by: California Department of Water Resources
Last updated: Tuesday, April 7, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset represents a water shortage vulnerability analysis performed by DWR using Small Water System boundaries pulled from the SWRCB (State Wate...