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2 datasets

National Hydrography Dataset (NHD) Archive

  • Published by: California Department of Water Resources
  • Last updated: Monday, July 28, 2025
  • 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...

National Hydrography Data - NHD and 3DHP

  • Published by: California Department of Water Resources
  • Last updated: Tuesday, July 29, 2025
  • 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...

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