1.0 DCPLUS 20220701 23032400 20250107 23032400 https://www.arcgis.com/sharing/rest/content/items/09be35c30632422fadd12428ee0bd649/info/thumbnail/thumbnail1657151739910.png https://www.arcgis.com/home/item.html?id=09be35c30632422fadd12428ee0bd649 09be35c30632422fadd12428ee0bd649 Feature Service https://services.arcgis.com/cJ9YHowT8TU7DUyn/arcgis/rest/services/Percent_impervious_area/FeatureServer Percent impervious area 2022-07-01T23:03:24 2025-01-07T22:42:02 EA-Impervious Ecosystem Environment Human Risk Surface Water Water This EnviroAtlas feature service includes layers depicting EnviroAtlas national metrics mapped at the 12-digit HUC within the conterminous United States. <div><div style='margin-bottom:3rem;'><div style='max-width:100%; display:inherit;'><div><div style='font-family:inherit; margin-bottom:3rem;'><div style='font-family:inherit;'><div style='font-family:inherit; max-width:100%; display:inherit;'><a href='https://enviroatlas.epa.gov/enviroatlas/MetadataFGDC/Impervious_CONUS.xml' style='font-family:inherit;' target='_blank' rel='nofollow ugc noopener noreferrer'>Full Metadata</a> This map illustrates the percent of total land within each subwatershed (12-digit HUC) that is impervious for 2019 for the conterminous United States. This is based on the NLCD Imperviousness layer. Impervious surfaces do not allow the penetration of water and include buildings, roads, and sidewalks.</div><div style='font-family:inherit; max-width:100%; display:inherit;'><br /></div><div style='font-family:inherit; max-width:100%; display:inherit;'>This EnviroAtlas feature service supports research and online mapping activities related to EnviroAtlas (<a href='https://www.epa.gov/enviroatlas' style='text-decoration-line:none; font-family:inherit;' rel='nofollow ugc'>https://www.epa.gov/enviroatlas</a>). This web service includes layers depicting EnviroAtlas national metrics mapped at the 12-digit HUC within the conterminous United States. EnviroAtlas allows the user to interact with a web-based, easy-to-use, mapping application to view and analyze multiple ecosystem services for the conterminous United States as well as detailed metrics for select communities. Additional descriptive information about each attribute in this web service can be found in its associated EnviroAtlas Fact Sheet (<a href='https://www.epa.gov/enviroatlas/enviroatlas-fact-sheets' style='text-decoration-line:none; font-family:inherit;' rel='nofollow ugc'>https://www.epa.gov/enviroatlas/enviroatlas-fact-sheets</a>).</div></div></div></div><div></div><div style='margin-bottom:3rem; display:inherit;'><div style='font-family:inherit; margin-bottom:3rem; display:inherit;'></div></div></div></div></div><div></div><div style='margin-bottom:3rem; display:inherit;'><div style='margin-bottom:3rem; display:inherit;'></div></div> US Environmental Protection Agency <p><a href='https://edg.epa.gov/EPA_Data_License.html' target='_blank' style='text-decoration-line: none;' rel='nofollow ugc noopener noreferrer'>https://edg.epa.gov/EPA_Data_License.html</a><br /></p> -179.2296707433877 179.85665946479332 71.43957229778744 17.673738677621238 1 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09be35c30632422fadd12428ee0bd649 https://services.arcgis.com/cJ9YHowT8TU7DUyn/arcgis/rest/services/Percent_impervious_area/FeatureServer Feature Service EPSG