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Search for "National Pollutant Discharge Elimination System NPDES" - The top results (relevance sort) are listed below:

	45 Results beginning with... Type A Future Public Water Systems (2004) Type A Future Public Sewer Systems (2004) Type A Current Public Water Systems (2004)
$\"ArcGIS$	Esri Maps & Data Group (Recommended for Layer Package downloads) 0 Results All ArcGIS Online content 273 Results beginning with... National Pollutant Discharge Elimination System (NPDES) NPDES_Phase_1 NPDES_Phase_2
$\"data.gov\"$	36 Results beginning with... EPA Facility Registry Service (FRS): Facility Interests Dataset Download EPA Enforcement and Compliance History Online: Water Discharge Monitoring Report Data Sets for FY2013 EPA Enforcement and Compliance History Online: Water Discharge Monitoring Report Data Sets for FY2009

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Legacy denotes outdated data. A more recent version likely exists. Consider an "External Data Source" option linked above, or click the Collection link for updated source options.

Title	Date	Collection	Extent	Scale
CGIA: NPDES dischargers Legacy	2004	BasinPro 8	North Carolina	varies
CGIA: Discharger Coalitions monitoring sites Legacy	2004	BasinPro 8	North Carolina	1:24,000
CGIA: Discharger Coalitions' Monitoring Sites Legacy	2000	CGIA	North Carolina
CGIA: National Pollutant Discharge Elimination System Sites (NPDES) Legacy	2000	CGIA	North Carolina	1:24,000
CA&DS Framework: Pollution Point Sources Legacy	1999		Sub-United States	1:2,000,000
OPIS: National Pollutant Discharge Elimination System Sites within the Coastal Zone of the Southeast U.S. - 1998 Legacy	1998	Ocean GIS	Sub-United States	1:2,000,000

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