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EF NPDES

Published by U.S. EPA Office of Environmental Information (OEI) | U.S. Environmental Protection Agency | Metadata Last Checked: January 27, 2026 | Last Modified: 2019-10-01T00:00:00.000+00:00
EF_NPDES is a subset of facilities from FRS_PROGRAM_FACILITY and associataed best-available geospatial coordinates which are refreshed daily. The layer shows only points from the NPDES (National Pollutant Discharge Elimination System) and PCS (Permit Compliance System) programs as reported in ICIS (Integrated Compliance Information System).

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