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2 datasets

i03 Hydrologic Regions

Published by: California Department of Water Resources
Last updated: Monday, June 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...

National Hydrography Data - NHD and 3DHP

Published by: California Department of Water Resources
Last updated: Monday, June 15, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

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