Skip to main content
U.S. flag

An official website of the United States government

This site is currently in beta, and your feedback is helping shape its ongoing development.

Found 261 datasets matching filters.

  • #1 State

    Environmental Justice 2025 Set is comprised of two layers: Environmental Justice Block Groups 2025 and Environmental Justice Distressed Municipality 2025. All Census and ACS data used in the...

    Search relevance: 1.00 | Views last month: 15 | Published on: 2026-02-21
  • #2 State

    Environmental Justice 2025 Set is comprised of two layers: Environmental Justice Block Groups 2025 and Environmental Justice Distressed Municipality 2025. All Census and ACS data used in the...

    Search relevance: 1.00 | Views last month: 2 | Published on: 2026-02-07
  • #3 State

    Coastal Area & Boundary Polygon: The Coastal Area layer is a 1:24,000-scale, polygon feature-based layer that includes the land and waters that lie within the Coastal Area as defined by...

    Search relevance: 1.00 | Views last month: 2 | Published on: 2025-08-08
  • #4 State

    The following stream flow classifications on the map are final and include input provided during the public comment period.The State of Connecticut Stream Flow Standards and Regulations (Section...

    Search relevance: 1.00 | Views last month: 1 | Published on: 2025-08-08
  • #5 State

    DEEP Trails Set: Trail Access Points are point features in the Statewide Trails Database that describe where trails are accessed at trail heads, state and municipal parks and forests, or other...

    Search relevance: 1.00 | Views last month: 1 | Published on: 2025-08-08
  • #6 State

    Named Waterbody is a 1:24,000-scale, polygon and line feature-based layer that includes all named waterbodies depicted on the U.S. Geological Survey (USGS) 7.5 minute topographic quadrangle maps...

    Search relevance: 1.00 | Views last month: 1 | Published on: 2025-08-08
  • #7 State

    Environmental Justice 2025 Set is comprised of two layers: Environmental Justice Block Groups 2025 and Environmental Justice Distressed Municipality 2025. All Census and ACS data used in the...

    Search relevance: 1.00 | Views last month: 1 | Published on: 2026-02-07
  • #8 State

    Fisheries Management Areas Set: CT DEEP Fisheries Management Area Polygon Features is 1:24,000-scale data that identifes fisheries management areas for the Connecticut Department of Energy and...

    Search relevance: 1.00 | Views last month: 0 | Published on: 2025-08-08
  • #9 State

    See full Data Guide here.Major Drainage Basin Set: Connecticut Major Drainage Basins is 1:24,000-scale, polygon and line feature data that define Major drainage basin areas in Connecticut....

    Search relevance: 1.00 | Views last month: 0 | Published on: 2025-08-08
  • #10 State

    See full Data Guide here. This layer includes polygon features that depict protected open space for towns of the Protected Open Space Mapping (POSM) project, which is administered by the...

    Search relevance: 1.00 | Views last month: 0 | Published on: 2025-08-08
  • #11 State

    Connecticut 303(d) Impaired Waters 2012 is a subset of Connecticut 305(b) Assessed Waters 2012. If any one of the assigned designated uses is categorized as NOT Supporting, the assessed waterbody...

    Search relevance: 1.00 | Views last month: 0 | Published on: 2025-08-08
  • #12 State

    The State of Connecticut defines inland wetlands based on soils. The Connecticut Inland Wetlands and Watercourses Act defines wetland soils to include any of the soil types designated as poorly...

    Search relevance: 1.00 | Views last month: 0 | Published on: 2026-01-31
  • #13 State

    Connecticut 303(d) Impaired Waters 2010 is a subset of Connecticut 305(b) Assessed Waters 2010. If any one of the assigned designated uses is categorized as NOT Supporting, the assessed waterbody...

    Search relevance: 1.00 | Views last month: 0 | Published on: 2025-08-08
  • #14 State

    Connecticut Quaternary Geology Long Island Submerged Marine Fluvial-Estuarine, Channel-Fill Deposits identifies early postglacial, channel-fill deposits submerged in Long Island Sound and Fishers...

    Search relevance: 1.00 | Views last month: 0 | Published on: 2025-08-08
  • #15 State

    Eelgrass Beds 2002 Set: Field Verification of Eelgrass beds, located in the Long Island Sound, Eastern shore of Connecticut from Clinton Harbor to the Rhode Island State border, Fishers Island...

    Search relevance: 1.00 | Views last month: 0 | Published on: 2025-08-08
  • #16 State

    Eelgrass Beds 2002 Set: Field Verification of Eelgrass beds, located in the Long Island Sound, Eastern shore of Connecticut from Clinton Harbor to the Rhode Island State border, Fishers Island...

    Search relevance: 1.00 | Views last month: 0 | Published on: 2025-08-08
  • #17 State

    Connecticut Quaternary Geology Long Island Submerged Marine Fluvial-Estuarine, Channel-Fill Deposits identifies early postglacial, channel-fill deposits submerged in Long Island Sound and Fishers...

    Search relevance: 1.00 | Views last month: 0 | Published on: 2025-08-08
  • #18 State

    Connecticut 303(d) Impaired Waters 2016 is a subset of Connecticut 305(b) Assessed Waters 2016. If any one of the assigned designated uses is categorized as NOT Supporting, the assessed waterbody...

    Search relevance: 1.00 | Views last month: 0 | Published on: 2025-08-08
  • #19 State

    Eelgrass Beds 2012 Polygon : This data layer was created by the Conservation Management Institute, Virginia Tech University for the USFWS National Wetlands Inventory, Region 5. The project area...

    Search relevance: 1.00 | Views last month: 0 | Published on: 2025-08-08
  • #20 State

    305b Assessed 2012 River, Lake, Estuary set: Connecticut 305b Assessed River 2012 is a 1:24,000-scale, line feature-based layer that includes rivers that have been assessed to comply with...

    Search relevance: 1.00 | Views last month: 0 | Published on: 2025-08-08

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov