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State
Spill Incidents
State of New York —
This dataset contains records of spills of petroleum and other hazardous materials. Under State law and regulations, spills that could pollute the lands or waters of... -
State
Wastewater Treatment Plants
State of New York —
Data regarding wastewater treatment plants with permits issued under the New York State Pollutant Discharge Elimination System -
State
NYSDEC_WaterbodyInventoryAndPriorityWaterbodiesListEstuarySegment_DataSet
State of New York —
The Waterbody Inventory/Priority Waterbodies List (WI/PWL) dataset is an inventory of the state's surface water quality. This dataset provides a summary of general... -
State
Landfills
Vermont Center for Geographic Information —
This data set defines both current and historic landfills/waste disposal storage sites for the State of Vermont. Historic landfills were identified with the... -
State
NYSDEC_WaterbodyInventoryAndPriorityWaterbodiesListAdditionalShoreline1Segment_DataSet
State of New York —
The Waterbody Inventory/Priority Waterbodies List (WI/PWL) dataset is an inventory of the state's surface water quality. This dataset provides a summary of general... -
State
Oregon Ecoregions
State of Oregon —
This data layer is an element of the Oregon GIS Framework. Ecoregions denote areas of general similarity in ecosystems and in the type quality, and quantity of... -
State
NYSDEC_WaterbodyInventoryAndPriorityWaterbodiesListRiverStreamSegments_DataSet
State of New York —
The Waterbody Inventory/Priority Waterbodies List (WI/PWL) dataset is an inventory of the state's surface water quality. This dataset provides a summary of general... -
State
Ground Water Classifications Polygon
State of Connecticut —
See full Data Guide here.Ground Water Classifications Polygon: Ground Water Quality Classifications is a polygon feature-based layer compiled at 1:24,000 scale that... -
State
Stormwater Impaired Watersheds
Vermont Center for Geographic Information —
Stormwater impaired watersheds occuring on both the Priority Waters (Part D - Completed TMDL) and 303(d) list of waters (Part A - need TMDL) The Vermont State... -
State
Combined Sewer Overflows (CSOs): Beginning 2013
State of New York —
The dataset represents the locations of combined sewer overflow (CSOs) outfall locations in NYS. It also includes overflow detection capabilities of CSO communities... -
State
Surface Water Quality Polygon
State of Connecticut —
See full Data Guide here. Surface Water Quality Classifications Set: This dataset is a line and a polygon feature-based layer compiled at 1:24,000 scale that includes... -
State
Surficial Aquifer Potential
State of Connecticut —
This map has been prepared for statewide ground water resource protection, water management, non-point source pollution prevention, and land use planning. The map was... -
State
Water Pollution Control Facilities
State of Connecticut —
Water Pollution Control Facilities represents data extracted from permit applications submitted to DEEP. Alias is the facility name utilized in DEEPs internal system... -
State
NYSDEC_WaterbodyInventoryAndPriorityWaterbodiesListLakeReservoirSegment_DataSet
State of New York —
The Waterbody Inventory/Priority Waterbodies List (WI/PWL) dataset is an inventory of the state's surface water quality. This dataset provides a summary of general... -
State
MO_2016_Section_305b_Water_Quality_Report_Complete_Listing_of_Impaired_Lakes
State of Missouri —
This data set contains those Missouri waters which have been assessed as impaired in 2016, including waters on Missouri's EPA Approved 2016 Section 303(d) List, but... -
State
Environmental Sensitivity Index 2002 Set
State of Connecticut —
Environmental Sensitivity Index 2002 Set: This data set contains vector lines representing the shoreline and coastal habitats of Connecticut classified according to... -
State
Surface Water Quality Classifications Set
State of Connecticut —
See full Data Guide here. Surface Water Quality Classifications Set: This dataset is a line and a polygon feature-based layer compiled at 1:24,000 scale that includes... -
State
NYSDEC_WaterbodyInventoryAndPriorityWaterbodiesListShorelineSegment_DataSet
State of New York —
The Waterbody Inventory/Priority Waterbodies List (WI/PWL) dataset is an inventory of the state's surface water quality. This dataset provides a summary of general... -
State
ADBNet - Water Quality Assessment Database
State of Iowa —
ADBNet is an online database tracking Iowa's water quality assessments. These assessments are prepared under guidance provided by the US EPA under Section 305b of... -
State
Shellfish Area Marker
State of Connecticut —
Shellfish Area Classification Set: The Connecticut Department of Environmental Protection cooperated with the Department of Agriculture, Bureau of Aquaculture to...