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429 datasets

Continuous Groundwater Level Measurements

Published by: California Department of Water Resources
Last updated: Monday, April 27, 2026
File types: CSV

DWR continuous groundwater level measurements contains continuous time-series data from automated recorders at sites operated by the Department of Wa...

Estimated Inundation Periods in the Yolo Bypass, 1998 – 2022

Published by: California Department of Water Resources
Last updated: Sunday, April 26, 2026
File types:

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

2019 California Water Quality Status Report

Published by: California State Water Resources Control Board
Last updated: Wednesday, October 23, 2019
File types: ZIP, XLSX, CSV, TXT

The California Water Quality Status Report is an annual data-driven snapshot of the Water Board’s water quality and ecosystem data. This third edition...

DWR Technical Support Services (TSS)

Published by: California Department of Water Resources
Last updated: Monday, April 27, 2026
File types: CSV

(Webpage Under Development) The Department of Water Resources (DWR) provides Technical Support Services (TSS) to assist Groundwater Sustainability ...

Provision of Selected Family PACT Contraception by County

Published by: California Department of Health Care Services
Last updated: Sunday, April 26, 2026
File types: CSV, ZIP

This dataset includes the following variables: number of contraceptive implants; intrauterine contraceptives (IUCs); Essure procedures and tubal ligat...

Periodic Groundwater Level Measurements

Published by: California Department of Water Resources
Last updated: Monday, April 27, 2026
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...

California's Groundwater Update 2020 (Bulletin 118)

Published by: California Department of Water Resources
Last updated: Monday, April 27, 2026
File types: PDF, XLSX, XLS, ZIP, SHP

California's Groundwater Update 2020 (CalGW) is California's foremost technical publication on groundwater in the state of California. CalGW, formally...

California's Groundwater Live Supporting Data

Published by: California Department of Water Resources
Last updated: Sunday, April 26, 2026
File types: HTML, JPEG, PDF, DOCX, ZIP

This dataset contains files and materials in support of the California's Groundwater Live website. California's Groundwater Live is a user-friendly pl...

SWAMP Data Dashboard

Published by: California State Water Resources Control Board
Last updated: Monday, April 20, 2026
File types: PDF, CSV

This dataset supports the [SWAMP Data Dashboard](https://gispublic.waterboards.ca.gov/swamp-data/), a public-facing tool developed by the [Surface Wat...

i08 GroundwaterElevationSeasonal Points

Published by: California Department of Water Resources
Last updated: Sunday, April 26, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset depicts groundwater level (expressed as elevation) at selected monitoring locations (wells), by season and year. Other information on the...