Skip to main content
U.S. flag

An official website of the United States government

EnviroAtlas - Protected Lands by 12-digit HUC for Puerto Rico and the US Virgin Islands

Published by U.S. EPA Office of Research and Development (ORD) - Center for Public Health and Environmental Assessment (CPHEA) | U.S. Environmental Protection Agency | Catalog Last Checked: May 06, 2026 at 12:20 AM | Dataset Last Updated: July 30, 2021 at 12:00 AM
This dataset shows the percentage of each National Hydrography Dataset Plus (NHDPlus) V2 12-digit Hydrologic Unit (HUC) that is included in the USGS National Gap Analysis Program (GAP) or International Union for the Conservation of Nature (IUCN) protection categories in the Protected Areas Database of the United States (PADUS). Percentages for GAP status 1 and 2 combined, GAP status 3, and GAP status 1, 2, and 3 combined are provided. The percentages for IUCN categories Ia, Ib, II, III, IV, V, and VI are provided, as well as for all the categories combined. This dataset was produced by the US EPA to support research and online mapping activities related to EnviroAtlas. EnviroAtlas (https://www.epa.gov/enviroatlas) allows the user to interact with a web-based, easy-to-use, mapping application to view and analyze multiple ecosystem services for the contiguous United States. The dataset is available as downloadable data (https://edg.epa.gov/data/Public/ORD/EnviroAtlas) or as an EnviroAtlas map service. Additional descriptive information about each attribute in this dataset can be found in its associated EnviroAtlas Fact Sheet (https://www.epa.gov/enviroatlas/enviroatlas-fact-sheets).

Resources

4 resources available

Find Related Datasets

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov