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786 datasets

DCP ESA Listed Bird Species Riparian Habitat Evaluation

Published by: California Department of Water Resources
Last updated: Tuesday, May 19, 2026
File types: ZIP

The DCP ESA Listed Bird Species Riparian Habitat Evaluation Study is one of many relicensing documents for the Devil Canyon Project (DCP) Hydropower P...

Periodic Groundwater Level Measurements

Published by: California Department of Water Resources
Last updated: Tuesday, May 19, 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...

i19 Stormwater Permitees Municipal

Published by: California Department of Water Resources
Last updated: Tuesday, May 19, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The feature datasets contain Phase 1 and Phase 2 municipal separate stormwater sewer system (MS4s) permittees in California. These draft layers are ba...

i12 Salinity Transects SouthDelta

Published by: California Department of Water Resources
Last updated: Tuesday, May 19, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a point feature class of high-frequency specific conductance and water temperature measurements at specific points in the South Delta. Specifi...

California's Groundwater Update 2020 (Bulletin 118)

Published by: California Department of Water Resources
Last updated: Tuesday, May 19, 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...

Cal-SIMETAW Unit Values

Published by: California Department of Water Resources
Last updated: Tuesday, May 19, 2026
File types: CSV, ZIP, PDF

_Cal-SIMETAW Unit Values_ dataset contains cumulative monthly unit values (per acre) of crop evapotranspiration (ETc), applied water (AW), and six oth...

i08 B118 CA GroundwaterBasins 2016

Published by: California Department of Water Resources
Last updated: Tuesday, May 19, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The dataset is a feature class showing the boundaries of 517 groundwater basins and subbasins as defined by the California Department of Water Resourc...

California's Groundwater Semi-Annual Conditions Updates

Published by: California Department of Water Resources
Last updated: Tuesday, May 19, 2026
File types: PDF

Semi-annual Conditions Updates are more frequent supplements to the comprehensive 5-year CalGW Updates, and also provide additional perspective on the...

DCP NonNative Invasive Plants

Published by: California Department of Water Resources
Last updated: Tuesday, May 19, 2026
File types: ZIP

The DCP NonNative Invasive Plants Study is one of many relicensing documents for the Devil Canyon Project (DCP) Hydropower Project Number 14797. The C...

California's Groundwater Update 2025 (Bulletin 118)

Published by: California Department of Water Resources
Last updated: Tuesday, May 19, 2026
File types: PDF, XLS, URL, .ZIP

California's Groundwater: Bulletin 118 Updates (CalGW Updates) are a continuing series of California's primary technical publications on groundwater r...