Sole Source Aquifers (national layer)
U.S. Environmental Protection Agency (EPA)
- License
- Public domain
- Commercial
- Yes
- Format
- Shapefile
- Coverage
- United States and territories
- Last updated
- Added to findgis 31 Oct 2026 · Update frequency Irregular
The coverages are used in National Environmental Policy Act reviews and in state and local assessments.
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Source and attribution
- Publisher
- U.S. Environmental Protection Agency (EPA)
- License
- Public domain
- Commercial use
- Yes
- Attribution required
- No
- Modification allowed
- See publisher
- Redistribution allowed
- See publisher
- Share-alike
- No
- Region
- United StatesUS
- Type
- Vector
- Time
- through 2025-05-21
- Extent
- -179.217.6-64.571.4West, south, east, north. Approximate region extent.
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