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Federal
EPA Facility Registry Service (FRS): Wastewater Treatment Plants
U.S. Environmental Protection Agency —
This GIS dataset contains data on wastewater treatment plants, based on EPA's Facility Registry Service (FRS) and NPDES, along with Clean Watersheds Needs Survey... -
State
Public Water Sources
Vermont Center for Geographic Information —
This GIS layer consists of the geographic location of active and inactive public (Community, non-transient non-community and transient non-community) water sources... -
Federal
Forests to Faucets 2.0
Department of Agriculture —
Forests to Faucets 2.0 builds upon the national Forests to Faucets(2011) by updating base data and adding new threats including wildfire, invasive pests, and future... -
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
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
Impaired 2006 River Lake Estuary Set
State of Connecticut —
Connecticut 303(d) Impaired Waters 2006 is a subset of Connecticut 305(b) Assessed Waters 2006. If any one of the assigned designated uses is categorized as NOT... -
Federal
Cleanups In My Community (CIMC) - Hazardous Waste Corrective Actions, National Layer
U.S. Environmental Protection Agency —
This data layer provides access to Hazardous Waste Corrective Action sites as part of the CIMC web service. Hazardous waste is waste that is dangerous or potentially... -
State
Impaired 2008 River Lake Estuary Set
State of Connecticut —
Connecticut 303(d) Impaired Waters 2008 is a subset of Connecticut 305(b) Assessed Waters 2008. If any one of the assigned designated uses is categorized as NOT... -
Federal
Hyperspectral imagery to study harmful algal blooms (HABs) of Lake Erie, Lake St. Clair, and Saginaw Bay, Lake Huron of the Great Lakes region
National Oceanic and Atmospheric Administration, Department of Commerce —
The hyperspectral images in this collection contain flights over the western basin of Lake Erie, and Saginaw Bay, Lake Huron of the Great Lakes region during the HAB... -
State
305b Assessed 2014 River, Lake, Estuary Set
State of Connecticut —
305b Assessed 2014 River Lake Estuary Set: Connecticut 305b Assessed River 2014 is a 1:24,000-scale, line feature-based layer that includes rivers that have been... -
State
305b Assessed 2008 Estuary
State of Connecticut —
305b Assessed 2008 River, Lake, Estuary Set: Connecticut 305b Assessed River 2008 is a 1:24,000-scale, line feature-based layer that includes rivers that have been... -
Federal
EPA Facility Registry Service (FRS): Wastewater Treatment Plants
U.S. Environmental Protection Agency —
This GIS dataset contains data on wastewater treatment plants, based on EPA's Facility Registry Service (FRS) and NPDES, along with Clean Watersheds Needs Survey... -
State
Groundwater Interference
Vermont Center for Geographic Information —
"This is a searchable database representing over 40 years of hydrogeologic information based on yield testing required for new and existing public water supply... -
State
Wastewater Districts
Vermont Center for Geographic Information —
The Wastewater districts layer is part of a larger dataset that contains administrative boundaries for Vermont's Agency of Natural Resources. The dataset includes... -
State
305b Assessed 2020 River, Lake, Estuary 2020 Set
State of Connecticut —
305b Assessed River, Lake, Estuary 2020: Connecticut 305b Assessed River 2020 is a 1:24,000-scale, line feature-based layer that includes rivers that have been... -
State
Private Wells - Lithology Reports
Vermont Center for Geographic Information —
Well lithology records in this layer come from the Department of Environmental Conservation's Water Supply Data Composite. Managed by the Water Resources Section in... -
State
Impaired 2014 River Lake Estuary Set
State of Connecticut —
Connecticut 303(d) Impaired Waters 2014 is a subset of Connecticut 305(b) Assessed Waters 2014. If any one of the assigned designated uses is categorized as NOT...