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44 datasets

i03 WaterDistricts

Published by: California Department of Water Resources
Last updated: Thursday, April 2, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset represents polygon boundaries of all public water agencies in California including public water systems, agricultural water districts, ur...

Vegetation - Marin Municipal Water District (MMWD) - 2014 [ds3130]

Published by: California Department of Fish and Wildlife
Last updated: Thursday, April 2, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

In 2015, under contract to the Marin Municipal Water district (MMWD), Aerial Information Systems, Inc. (AIS) conducted the photo interpretation of sud...

Ground Water - Water Quality Results

Published by: California State Water Resources Control Board
Last updated: Monday, January 5, 2026
File types: EXCEL (XLSX), CSV

Groundwater quality data and related groundwater well information available on the page was queried from the GAMA Groundwater information system (**[G...

Drinking Water - Laboratory Water Quality Results

Published by: California State Water Resources Control Board
Last updated: Tuesday, October 29, 2019
File types: PDF

The Division of Drinking Water requires laboratories to submit water quality data directly. The data is received, and published twice monthly on the D...

CA Congress Districts and Membership 2024-2026

Published by: California Department of Technology
Last updated: Wednesday, October 1, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

The 119th Congressional Districts dataset reflects boundaries from January 03, 2025 from the United States Census Bureau (USCB), and the attributes ar...

DCP Water Quality and Temperature

Published by: California Department of Water Resources
Last updated: Thursday, April 2, 2026
File types: ZIP

The DCP Water Quality and Temperature Study is one of many relicensing documents for the Devil Canyon Project (DCP) Hydropower Project Number 14797. T...

SSWP Whitewater Boating

Published by: California Department of Water Resources
Last updated: Thursday, April 2, 2026
File types: ZIP

The SSWP Whitewater Boating Study is one of many relicensing documents for the South SWP (SSWP) Hydropower Project Number 2426. The California Departm...

SSWP Indicators of Hydrologic Alteration

Published by: California Department of Water Resources
Last updated: Thursday, April 2, 2026
File types: ZIP

The SSWP Indicators of Hydrologic Alteration Study is one of many relicensing documents for the South SWP (SSWP) Hydropower Project Number 2426. The C...

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...

Urban Water Management Plans (UWMP) 2015

Published by: California Department of Water Resources
Last updated: Thursday, April 2, 2026
File types: PDF, CSV

Urban Water Management Plans (UWMPs) are prepared by California's urban water suppliers to support their long-term resource planning, and ensure adequ...