Text · dataset · 2025

National Hydrography Dataset (NHD) Archive

Listed in California Open Data

This page is meant to act as an archival repository for previous versions of the statewide National Hydrography Dataset (NHD) which includes the Watershed Boundary Dataset (WBD) released by USGS.

Description

All data are presented in their original, unmodified format as downloaded from USGS. Be aware that the data do not come with a geometric network; directions for building the geometric network can be found in the text file on this resource page called "How to Create NHD Network".

Topics

Stated by source: Natural Resources · Water
From keywords: Earth & Environmental Science
Inferred from text: Text 75%

Provenance · 1 source records, 9 field assertions

Source	Key	Last seen	Raw
California Open Data	9e13ad3d-95d8-43f4-a94e-0ba0b0a33bba	12 d ago	JSON v1

Field	Assertion	Extractor	Evidence
concepts[field].local:field:earth-environmental	mapping · data ca gov	connector:data_ca_gov@1.0.0
concepts[modality].local:modality:text	enrichment · data ca gov	keyword-concept-rules@1.0.0	title+description (75%)
concepts[topic].ckan_group:data_ca_gov:natural-resources	source · data ca gov	connector:data_ca_gov@1.0.0
concepts[topic].ckan_group:data_ca_gov:water	source · data ca gov	connector:data_ca_gov@1.0.0
created_date	source · data ca gov	connector:data_ca_gov@1.0.0
description	source · data ca gov	connector:data_ca_gov@1.0.0	/notes
publication_date	source · data ca gov	connector:data_ca_gov@1.0.0
title	source · data ca gov	connector:data_ca_gov@1.0.0	/title
updated_date	source · data ca gov	connector:data_ca_gov@1.0.0

National Hydrography Dataset (NHD) Archive

Description

Links

Get the data

Where it is published

Documentation and papers

Topics