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15 datasets

SSWP Aquatic Invasive Species

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: ZIP

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

Groundwater Basin Boundary Descriptions - Central Coast Region (3-XXX Basins)

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: PDF

This dataset includes the official groundwater basin boundary descriptions for California's 515 groundwater basins. To make locating descriptions easi...

National Hydrography Data - NHD and 3DHP

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: PDF, ZIP, WEBSITE, ARCGIS GEOSERVICES REST API, CSV, WEB VIDEOS

The USGS National Hydrography Dataset (NHD) downloadable data collection from The National Map (TNM) is a comprehensive set of digital spatial data th...

State Water Project Routine Water Quality Monitoring

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: CSV, LINK, PDF

The California State Water Project (SWP) is one of the nation’s largest water conveyance projects. Its geographic extent stretches from Sierra Nevada ...

DWR Airborne Electromagnetic (AEM) Surveys Data

Published by: California Department of Water Resources
Last updated: Sunday, April 5, 2026
File types: PDF, AGOL, ZIP, FILE GEODATABASE OR SHAPEFILE, SHP

#Statewide AEM Surveys Project Overview The Department of Water Resources’ (DWR’s) Statewide Airborne Electromagnetic (AEM) Surveys Project is funded...