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3 datasets

National Hydrography Dataset (NHD) Archive

Published by: California Department of Water Resources
Last updated: Saturday, November 16, 2024
File types: ZIP, TXT, FILE GEODATABASE

This page is meant to act as an archival repository for previous versions of the statewide National Hydrography Dataset (NHD) which includes the Water...

HUC8 CA Simplified

Published by: California Department of Water Resources
Last updated: Thursday, November 21, 2024
File types: HTML, ARCGIS GEOSERVICES REST API

The Watershed Boundary Dataset (WBD) is a seamless, national hydrologic unit dataset. Hydrologic units represent the area of the landscape that drains...

National Hydrography Data - NHD and 3DHP

Published by: California Department of Water Resources
Last updated: Thursday, November 21, 2024
File types: PDF, ZIP, WEBSITE, ARCGIS GEOSERVICES REST API, CSV

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