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#1 Federal
Select Hydrologic Modification Attributes: Major Sites of the National Pollutant Discharge Elimination System (NPDES)
- Organization: Department of the Interior
- Dataset Last Updated: March 26, 2026 at 12:00 AM
This tabular data set represents the number and density of major National Pollutant Discharge Elimination System (NPDES) sites, as defined by Environmental Protection Agency (EPA), compiled for...
- xml
- xml
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 09:24 PM

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