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85 datasets
IWFM Demand Calculator (IDC)
- Published by: California Department of Water Resources
- Last updated: Thursday, April 30, 2026
- File types: ZIP
Publicly available version of IDC (IWFM Demand Calculator)...
County Land Use Surveys
- Published by: California Department of Water Resources
- Last updated: Thursday, April 30, 2026
- File types: ZIP
This is collection of DWR County Land Use Surveys. You may scroll the list below to download any individual survey of interest. Historic County L...
National Hydrography Data - NHD and 3DHP
- Published by: California Department of Water Resources
- Last updated: Friday, May 1, 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...
California's Groundwater Update 2020 (Bulletin 118)
- Published by: California Department of Water Resources
- Last updated: Friday, May 1, 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...
Statewide Crop Mapping
- Published by: California Department of Water Resources
- Last updated: Thursday, April 30, 2026
- File types: DATA, ZIP, PDF, REST SERVICE, GDB, SHP, STORY MAPS
The California Department of Water Resources (DWR) has been collecting land use data throughout the state and using it to produce agricultural water u...