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NPL Superfund Site Feature Areas (EPA)

Published by U.S. EPA Office of Environmental Information (OEI) | U.S. Environmental Protection Agency | Catalog Last Checked: June 30, 2026 at 07:13 AM | Dataset Last Updated: June 29, 2026 at 07:25 PM
This GIS dataset contains polygons depicting U.S. EPA Superfund features. This dataset is reserved for important Superfund site features that are best captured as polygon features in geospatial datasets. Superfund features are managed by regional teams of geospatial professionals and remedial program managers (RPMs), and SEGS harvests regional data on a weekly basis to refresh the national dataset and feature services.

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