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416 datasets

Water Quality Data

Published by: California Department of Water Resources
Last updated: Friday, January 16, 2026
File types: CSV

The California Department of Water Resources (DWR) discrete (vs. continuous) water quality datasets contains DWR-collected, current and historical, ch...

i03 Water Plan Planning Areas

Published by: California Department of Water Resources
Last updated: Thursday, January 15, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Description for i03_DAU_county_cnty2018 is as follows:Detailed Analysis Unit-(DAU) Convergence via County Boundary cnty18_1 for Cal-Fire, (*See metada...

Water Loss Audit Data From Urban Retail Water Suppliers (Superseded)

Published by: California Department of Water Resources
Last updated: Friday, January 16, 2026
File types: XLSX

September 2025 Note: This original 2019 data is superseded by a more recent data which captures newer submissions and resubmissions of older data repo...

Water Shortage Vulnerability Datasets

Published by: California Department of Water Resources
Last updated: Friday, January 16, 2026
File types: HTML

This is the landing page for navigating to all of the water shortage vulnerability datasets provided by California Department of Water Resources. Plea...

i03 WaterDistricts

Published by: California Department of Water Resources
Last updated: Friday, January 16, 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...

SSWP Special Status Raptors

Published by: California Department of Water Resources
Last updated: Friday, January 16, 2026
File types: ZIP

The SSWP Special Status Raptors Study is one of many relicensing documents for the South SWP (SSWP) Hydropower Project Number 2426. The California Dep...

SSWP ESA Listed Plant Species

Published by: California Department of Water Resources
Last updated: Thursday, January 15, 2026
File types: ZIP

The SSWP ESA Listed Plant Species Study is one of many relicensing documents for the South SWP (SSWP) Hydropower Project Number 2426. The California D...

SSWP Pyramid Reach BMIs

Published by: California Department of Water Resources
Last updated: Thursday, January 15, 2026
File types: ZIP

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

SSWP Pyramid Lake Tributaries Fish Barriers

Published by: California Department of Water Resources
Last updated: Thursday, January 15, 2026
File types: ZIP

The SSWP Pyramid Lake Tributaries Fish Barriers Study is one of many relicensing documents for the South SWP (SSWP) Hydropower Project Number 2426. Th...

SSWP Whitewater Boating

Published by: California Department of Water Resources
Last updated: Friday, January 16, 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...