National Wetland Condition Assessment (NWCA) 2021 data, National Aquatic Resource Surveys

Name: National Wetland Condition Assessment (NWCA) 2021 data, National Aquatic Resource Surveys
Creator: U.S. Environmental Protection Agency, Office of Water
License: https://creativecommons.org/publicdomain/mark/1.0/

U.S. Environmental Protection Agency, Office of Water

License: Public domain
Commercial: Yes
Format: CSV
Coverage: Conterminous United States (sampled wetland sites)

Last updated: Added to findgis 31 Oct 2026 · Update frequency Irregular

Source and attribution

Publisher

U.S. Environmental Protection Agency, Office of Water

License

Public domain

Commercial use: Yes
Attribution required: No
Modification allowed: See publisher
Redistribution allowed: See publisher
Share-alike: No

U.S. Government work (17 U.S.C. 105); public domain. The EPA National Aquatic Resource Surveys data download page states no licence or use restriction. (rule au: US federal data with no licence beyond a disclaimer/"for public use" wording; public domain under 17 U.S.C. 105.)

Region

United StatesUS

Type

Vector

Time

2011–2021

Download

nwca21_siteinfo-data.csv (CSV, 2.8 MB)nwca21_condition_estimates-data_0.csv (CSV, 2.7 MB)

Extent

-179.217.6-64.571.4West, south, east, north. Approximate region extent.

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