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    [ Hide ] Possible Related Terms:
    Aerometric Information Retrieval System (AIRS), Air Pollution, Air Pollution Discharge Points, Air Quality, Air Quality Monitoring Sites, Ambient Monitoring, Ambient Water, Atmospheric Deposition, Bacteria Monitoring Stations, Basins, Basins Of Focus, Benthic Environments, Benthic Monitoring, Bioclassification, Blue Line Streams, Boundaries, Citizen Water Quality Monitoring Sites, Clean Water Act, Clean Water Act Section 319, Clean Water Needs Survey (CWNS), Community Involvement, Conservation, Critical Habitats, Discharge Monitoring, Discharger Coalition Monitoring Sites, Drinking Water, Emissions, Environment, EPA Envirofacts, Fish, Fish Community Sampling Sites, Forests, Gaging Stations, Hazardous Wastes, High Quality Water - Outstanding Resource Water, Hydrography, Industrial Facilities Discharge Sites, Inland Waters, Land Donations, Monitoring Sites And Stations, Monitoring Stations, National Atlas, National Pollutant Discharge Elimination System (NPDES), National Water Quality Assessment (NAWQA), Nitrogen (Water Quality), Non-point Source Pollution, Nutrients (Water Quality), Nutrient Sensitive Waters, ONC Sheet Data Quality, Outstanding Resource Waters, Periodic Water Quality Samples, Permit Compliance System (PCS) Sites, Planning, Pollution Management Strategies, Potable Water, Private Citizens, Protected Areas, Raw Water, Regulatory Boundaries, River Basins, Sample Points, Samples, Sample Sites, Sampling, Stream Classifications, Sub-basins, Superfund Sites, Surface Water Intakes, Surface Waters, Tax Credits, Toxic Release Inventory Sites, Trace Elements, Trout Waters, Use Basis, Use Support Rating, Wastewater Discharges, Water Dischargers, Water Pollution, Water Quality, Watersheds, Water Supply, Wild And Scenic Rivers

    Important Legacy denotes outdated data.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.
    TitleDateCollectionExtentScaleSorted in Ascending OrderMD
    CGIA: Section 319 projects
    Legacy
    2004 BasinPro 8North Carolina unspecified Metadata Link
    CGIA: HQW and ORW watersheds
    Legacy
    2004 BasinPro 8North Carolina varies Metadata Link
    CGIA: NPDES dischargers
    Legacy
    2004 BasinPro 8North Carolina varies Metadata Link
    CGIA: USGS APNEP sampling
    Legacy
    2004 BasinPro 8North Carolina unspecified Metadata Link
    CMAP: Plant-level Annual Total SO2 Allowance Allocation
    Legacy
    2001 C-MAPConterminous United States  Metadata Link
    CMAP: Plant-level Annual Emissions
    Legacy
    2001 C-MAPConterminous United States  Metadata Link
    CMAP: Boiler-specific Information
    Legacy
    2001 C-MAPConterminous United States  Metadata Link
    CMAP: State-level Annual Emissions
    Legacy
    2001 C-MAPConterminous United States  Metadata Link
    CMAP: Plant-level Monthly Emissions
    Legacy
    2001 C-MAPConterminous United States  Metadata Link
    Ambient Water Quality Monitoring Sites
    Legacy
    2000 NC OneMap - 3/12/2007North Carolina  Metadata Link
    Discharger Coalitions Monitoring Sites
    Legacy
    2000 NC OneMap - 3/12/2007North Carolina  Metadata Link
    CMAP: NAWQA Surface Water Trace Elements Data
    Legacy
    1999 C-MAPConterminous United States  Metadata Link
    CMAP: National Water Quality Assessment (NAWQA) Program, Trace Elements Sampling Sites
    Legacy
    1999 C-MAPConterminous United States  Metadata Link
    CMAP: NAWQA Surface Water Nutrients Data
    Legacy
    1999 C-MAPConterminous United States  Metadata Link
    CMAP: AIRS Yearly Data
    Legacy
    1999 C-MAPUnited States  Metadata Link
    CMAP: AIRS Trend Data
    Legacy
    1999 C-MAPUnited States  Metadata Link
    CMAP: NADP Yearly Data
    Legacy
    1998 C-MAPUnited States  Metadata Link
    CMAP: Forest Health Monitoring (FHM) Data Trends
    Legacy
    1997 C-MAPConterminous United States  Metadata Link
    CMAP: Forest Health Monitoring (FHM) Yearly Data
    Legacy
    1997 C-MAPConterminous United States  Metadata Link
    CMAP: IMPROVE Yearly Data, By Season
    Legacy
    1997 C-MAPUnited States  Metadata Link
    CMAP: Hydrologic Benchmarks Network (HBN) Monitoring Stations
    Legacy
    1995 C-MAPConterminous United States  Metadata Link
    CMAP: HBN Data Trends
    Legacy
    1995 C-MAPConterminous United States  Metadata Link
    CMAP: HBN Yearly Data
    Legacy
    1995 C-MAPConterminous United States  Metadata Link
    CMAP: NAWQA Retrospective Database for Surface Water Nutrients: Monitoring Locations
    Legacy
    1990 C-MAPConterminous United States  Metadata Link
    CMAP: NAWQA Retrospective Surface Water Nutrients Data
    Legacy
    1990 C-MAPConterminous United States  Metadata Link
    Wild and Scenic Rivers
    Legacy
    2008 NC OneMap - 3/30/2009North Carolina 1:24000 Metadata Link
    Water Supply Watersheds
    Legacy
    2007 NC OneMap - 3/25/2008North Carolina 1:24,000 Metadata Link
    Ambient Water Quality Monitoring Sites
    Legacy
    2007 NC OneMap - 3/25/2008North Carolina 1:24,000 Metadata Link
    Statewide 24k hydrography (lines)
    Legacy
    2007 NC OneMap - 3/25/2008North Carolina 1:24,000 Metadata Link
    High Quality Water Zones
    Legacy
    2006 NC OneMap - 3/12/2007North Carolina 1:24000 Metadata Link
    Water Supply Watersheds
    Legacy
    2006 NC OneMap - 3/12/2007North Carolina 1:24000 Metadata Link
    Statewide 24K hydrography (polys)
    Legacy
    2006 NC OneMap - 3/25/2008North Carolina 1:24,000 Metadata Link
    CGIA: Ambient water quality monitoring sites
    Legacy
    2004 BasinPro 8North Carolina 1:24,000 Metadata Link
    CGIA: Benthos monitoring sites
    Legacy
    2004 BasinPro 8North Carolina 1:24,000 Metadata Link
    CGIA: Discharger Coalitions monitoring sites
    Legacy
    2004 BasinPro 8North Carolina 1:24,000 Metadata Link
    CGIA: Fish sampling community sites
    Legacy
    2004 BasinPro 8North Carolina 1:24,000 Metadata Link
    CGIA: Benthic Monitoring
    Legacy
    2000 CGIANorth Carolina 1:24,000 Metadata Link
    CGIA: Discharger Coalitions' Monitoring Sites
    Legacy
    2000 CGIANorth Carolina  Metadata Link
    Benthic monitoring sites
    Legacy
    2000 NC OneMap - 3/12/2007North Carolina 1:24000 Metadata Link
    Fish Community Sampling Sites
    Legacy
    2000 NC OneMap - 3/12/2007North Carolina 1:24000 Metadata Link
    CGIA: Air Quality Pollution Discharge Points
    Legacy
    1994 CGIANorth Carolina 1:24,000 Metadata Link
    CGIA: High Quality Water and Outstanding Resource Water Management Zones, Division of Water Quality
    Legacy
    1999 CGIANorth Carolina 1:30,000 Metadata Link
    EPA BASINS: STORET Bacteria Monitoring Stations and Data Summaries for CONUS
    Legacy
    1998 EPA BASINSConterminous United States 1:30,000 Metadata Link
    EPA BASINS: 1996 EPA/OW Clean Water Needs Survey (CWNS) for the United States and U.S. Territories
    Legacy
    1998 EPA BASINSUnited States 1:30,000 Metadata Link
    EPA BASINS: EPA/OW Industrial Facilities Discharge Database for CONUS
    Legacy
    1998 EPA BASINSConterminous United States 1:30,000 Metadata Link
    High Quality Water and Outstanding Resource Water Management Zones, Division of Water Quality
    Legacy
    2007 NC OneMap - 3/25/2008North Carolina 1:100,000 Metadata Link
    CGIA: Surface water intakes
    Legacy
    2004 BasinPro 8North Carolina 1:100,000 Metadata Link
    CGIA: APNEP citizens water quality monitoring sites
    Legacy
    2004 BasinPro 8North Carolina 1:100,000 Metadata Link
    Surface Water Intakes
    Legacy
    2004 NC OneMap - 3/12/2007North Carolina 1:100000 Metadata Link
    CGIA: Ambient Water Quality Monitoring Sites
    Legacy
    2000 CGIANorth Carolina 1:100,000 Metadata Link
    CGIA: Citizen Water Quality Monitoring Sites
    Legacy
    2000 CGIASub-North Carolina 1:100,000 Metadata Link
    EPA BASINS: STORET Water Quality Monitoring and Data Summaries for CONUS
    Legacy
    1998 EPA BASINSConterminous United States 1:100,000 Metadata Link
    EPA BASINS: STORET Water Quality Observation Data for CONUS
    Legacy
    1998 EPA BASINSConterminous United States 1:100,000 Metadata Link
    EPA BASINS: EPA/OW Permit Compliance System for CONUS
    Legacy
    1998 EPA BASINSConterminous United States 1:100,000 Metadata Link
    EPA BASINS: USEPA Toxic Release Inventory Facilities in the United States
    Legacy
    1998 EPA BASINSUnited States 1:100,000 Metadata Link
    CMAP: Clean Air Status and Trends Network (CASTNet) Monitoring Stations
    Legacy
    2000 C-MAPConterminous United States 1:1,000,000 Metadata Link
    CMAP: Nitrogen-saturated Forests of the Conterminous U.S.
    Legacy
    1998 C-MAPConterminous United States 1:1,000,000 Metadata Link
    CMAP: Emissions & Generation Resource Integrated Database (E-GRID)
    Legacy
    1998 C-MAPConterminous United States 1:1,000,000 Metadata Link
    CMAP: National Atmospheric Deposition Program (NADP) Monitoring Stations
    Legacy
    1997 C-MAPUnited States 1:1,000,000 Metadata Link
    DCW: Data Quality Layer (Polygon) - By 5 Degree Tile
    Legacy
    1993 Digital Chart of the WorldWorld 1:1,000,000  
    DCW: Data Quality Layer (Line) - By 5 Degree Tile
    Legacy
    1993 Digital Chart of the WorldWorld 1:1,000,000  
    DCW: Data Quality Layer (Polygon) - By Country
    Legacy
    1993 Digital Chart of the WorldWorld 1:1,000,000  
    DCW: Data Quality Layer (Line) - By Country
    Legacy
    1993 Digital Chart of the WorldWorld 1:1,000,000  
    National Atlas: Environment DataDates Vary National AtlasUnited States Varies Metadata Link
    CMAP: National Water Quality Assessment (NAWQA) Program, Trace Elements Sampling Sites
    Legacy
    1999 C-MAPConterminous United States 1:2,000,000 Metadata Link
    CMAP: Aerometric Information Retrieval System (AIRS) Monitoring Sites
    Legacy
    1999 C-MAPConterminous United States 1:2,000,000 Metadata Link
    CMAP: Aerometric Information Retrieval System (AIRS) Monitoring Sites
    Legacy
    1999 C-MAPUnited States 1:2,000,000 Metadata Link
    CMAP: Interagency Monitoring of Protected Visual Environments Program (IMPROVE) Monitoring Sites
    Legacy
    1999 C-MAPUnited States 1:2,000,000 Metadata Link
    OPIS: Spatial Extent of the Clean Water Act in the Southeast U.S. - 1998
    Legacy
    1999 Ocean GISSub-United States 1:2,000,000 Metadata Link
    Toxic Release Inventory Locations with 1995 VOC Releases
    Legacy
    1999 Conterminous United States 1:2,000,000 Metadata Link
    CMAP: Nitrogen-saturated Forests of the Conterminous U.S.
    Legacy
    1998 C-MAPConterminous United States 1:2,000,000 Metadata Link
    CMAP: Forest Health Monitoring (FHM) Sampling Locations
    Legacy
    1997 C-MAPConterminous United States 1:2,000,000 Metadata Link
    CMAP: National Water Quality Assessment (NAWQA) Program, Study-unit Boundaries
    Legacy
    1990 C-MAPConterminous United States 1:2,000,000 Metadata Link