Connecticut maps
Open MapPullCT ECO GIS data
8 public ArcGIS maps published by CT ECO, Connecticut, with 444 layers between them. Open one in MapPull to pick the layers you need and download them as Shapefile, DXF, GeoJSON, or KMZ, clipped to your project area.
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444 layers
- Impervious_Surface_Land_Connecticut · polygons · 5,599,767
- CT_Buildings_2023_Merged · polygons · 1,556,980
- deepgis.DEEP.PARCEL · polygons · 1,020,364
- CT_Parcels · polygons · 1,247,506
- Connecticut_CAMA_and_Parcel_Layer · polygons · 1,290,196
- Town Polygon · polygons · 785
- cogs · polygons · 9
- Steep Slope 2 ft · polygons · 51,109,421
- Steep Slope 10 ft · polygons · 26,609,124
- Impervious_Surface_Land_Connecticut · polygons · 5,599,767
- CT_Buildings_2023_Merged · polygons · 1,556,980
- HUC Watershed Poly · polygons · 194
- CT_Watershed_Boundary_Dataset_10_HU · polygons · 53
- CT_Watershed_Boundary_Dataset_8_HU · polygons · 11
- Connecticut_CAMA_and_Parcel_Layer · polygons · 1,320,686
- CT Municipalities · polygons · 169
- Steep Slope 2 ft · polygons · 51,109,421
- Steep Slope 10 ft · polygons · 26,609,124
- Bedrock Geology · polygons · 1,892
- Bedrock Geology Contacts · lines · 5,518
- Bedrock Terrane · polygons · 1,892
- Bedrock Terrane Contacts · lines · 5,518
- Erosion Susceptibility · polygons · 44,036
- Erosion Susceptibility Sites · points · 83
- Quaternary Geology LIS Channel-Fill Deposits · polygons · 1
- Quaternary Geology LIS Deltaic Deposits · polygons · 5
- Quaternary Geology LIS Lacustrine Fan Deposits · polygons · 458
- Quaternary Geology LIS Lake Deposits · polygons · 51
- Quaternary Geology LIS End Moraine · polygons · 142
- Quaternary Geology · polygons · 14,921
- Quaternary Geology Line Features · lines · 8,243
- Quaternary Geology Point Features · points · 2,218
- Surficial Materials Contacts · lines · 32,957
- Surficial Materials · polygons · 14,084
- Surficial Aquifer Texture · polygons · 12,849
- Surficial Aquifer Potential · polygons · 10,843
- Soils Drainage Class 2025 · polygons · 239,451
- Soils Subsurface Sewage Disposal Systems · polygons · 236,384
- Soils Inland Wetland 2025 · polygons · 239,451
- Soils Parent Material Name 2025 · polygons · 239,451
- Soils Farmland Classification 2025 · polygons · 239,451
- Soils Hydric Rating 2025 · polygons · 239,451
- Soils All Soils 2025 · polygons · 239,451
- Impaired Estuary 2006 · polygons · 101
- Impaired Lake 2006 · polygons · 47
- Impaired River 2006 · lines · 210
- 305b Assessed 2006 Estuary · polygons · 126
- 305b Assessed 2006 Lake · polygons · 152
- 305b Assessed 2006 River · lines · 560
- Impaired Lake 2008 · polygons · 47
- Impaired Estuary 2008 · polygons · 179
- Impaired River 2008 · lines · 264
- 305b Assessed 2008 Estuary · polygons · 210
- 305b Assessed 2008 Lake · polygons · 182
- 305b Assessed 2008 River · lines · 642
- Impaired Estuary 2010 · polygons · 176
- Impaired Lake 2010 · polygons · 47
- Impaired River 2010 · lines · 296
- 305b Assessed 2010 Estuary · polygons · 210
- 305b Assessed 2010 Lake · polygons · 182
- 305b Assessed 2010 River · lines · 781
- Impaired Estuary 2012 · polygons · 176
- Impaired Lake 2012 · polygons · 47
- Impaired River 2012 · lines · 336
- 305b Assessed 2012 Estuary · polygons · 210
- 305b Assessed 2012 Lake · polygons · 182
- 305b Assessed 2012 River · lines · 872
- Impaired Estuary 2014 · polygons · 79
- Impaired Lake 2014 · polygons · 46
- Impaired River 2014 · lines · 330
- 305b Assessed 2014 Estuary · polygons · 211
- 305b Assessed 2014 Lake · polygons · 182
- 305b Assessed 2014 River · lines · 990
- Impaired Estuary 2016 · polygons · 175
- Impaired Lake 2016 · polygons · 45
- Impaired River 2016 · lines · 355
- 305b Assessed Estuary 2016 · polygons · 211
- 305b Assessed Lake 2016 · polygons · 182
- 305b Assessed River 2016 · lines · 1,051
- Impaired Estuary 2018 · polygons · 175
- Impaired Lake 2018 · polygons · 45
- Impaired River 2018 · lines · 369
- 305b Assessed Estuary 2018 · polygons · 211
- 305b Assessed Lake 2018 · polygons · 182
- 305b Assessed River 2018 · lines · 1,101
- Impaired Estuary 2020 · polygons · 179
- Impaired Lake 2020 · polygons · 45
- Impaired River 2020 · lines · 383
- 305b Assessed Estuary 2020 · polygons · 211
- 305b Assessed Lake 2020 · polygons · 182
- 305b Assessed River 2020 · lines · 1,111
- Impaired Estuary 2022 · polygons · 176
- Impaired Lake 2022 · polygons · 45
- Impaired River 2022 · lines · 378
- CT 305b Assessed Estuary 2022 · polygons · 211
- CT 305b Assessed Lake 2022 · polygons · 182
- CT 305b Assessed River 2022 · lines · 1,293
- Ground Water Quality · polygons · 1,816
- Surface Water Quality Polygon · polygons · 20,123
- Surface Water Quality Lines · lines · 76,672
- CT Hurricane Surge Inundation · polygons · 205,410
- Tidal Wetlands 1990s · polygons · 2,827
- Tidal Wetlands 1970s · polygons · 824
- Municipal and Private Open Space · polygons · 7,769
- Protected Open Space Phase1 · polygons · 4,428
- Protected Open Space View · polygons · 15,505
- Official Designated Connecticut Greenways · lines · 120
- DEEP Property · polygons · 491
- Federal Open Space · polygons · 70
- DEEP Property Access · points · 385
- DEP Boat Launch · points · 117
- Aquifer Protection Area · polygons · 174
- Hydrography Poly · polygons · 51,483
- Hydrography Line · lines · 102,082
- Dams_Public_20260729 · points · 4,308
- Connecticut NWI Wetlands 2024 · polygons · 170,964
- Natural Diversity Database Area · polygons · 1,230
- Critical Habitat · polygons · 2,972
- Cold Water Habitat Sites · points · 792
- HUC Watershed Poly · polygons · 194
- CT_Watershed_Boundary_Dataset_10_HU · polygons · 53
- CT_Watershed_Boundary_Dataset_8_HU · polygons · 11
- Drainage Basin Polygon · polygons · 7,067
- Local Drainage Basin Direction · points · 3,077
- Local Basin Polygon · polygons · 2,898
- Subregional Drainage Basin Direction · points · 314
- Subregional Basin Polygon · polygons · 374
- Regional Drainage Basin Polygon · polygons · 85
- Major Basin Polygon · polygons · 10
- Impervious_Surface_Land_Connecticut · polygons · 5,599,767
- CT_Buildings_2023_Merged · polygons · 1,556,980
- deepgis.DEEP.PARCEL · polygons · 1,020,364
- CT_Parcels · polygons · 1,247,506
- Connecticut_CAMA_and_Parcel_Layer · polygons · 1,320,686
- deepgis.DEEP.COASTAL_AREA · polygons · 1
- deepgis.DEEP.COASTAL_BOUNDARY · polygons · 1
- CTCongressionalDistricts · polygons · 5
- CTSenateDistricts · polygons · 36
- CTHouseDistricts · polygons · 151
- countyct_37800_0000_1995_s250_ctdep_1_shp_nad83_feet · polygons · 8
- CT_COGs · polygons · 9
- Exits · points · 860
- State Route Local Names · lines · 2,599
- Unimproved Roads · lines · 2,224
- State Routes · lines · 2,634
- Ramps · lines · 1,918
- Local Roads · lines · 49,933
- Routing Segments · lines · 4,552
- MaxZoomTowns · polygons · 169
- MinZoomTowns · polygons · 169
- CT Municipalities · polygons · 169
- Steep Slope 2 ft · polygons · 51,109,421
- Steep Slope 10 ft · polygons · 26,609,124
- Impervious_Surface_Land_Connecticut · polygons · 5,599,767
- CT_Buildings_2023_Merged · polygons · 1,556,980
- HUC Watershed Poly · polygons · 194
- CT_Watershed_Boundary_Dataset_10_HU · polygons · 53
- CT_Watershed_Boundary_Dataset_8_HU · polygons · 11
- Connecticut_CAMA_and_Parcel_Layer · polygons · 1,320,686
- CT Municipalities · polygons · 169
- Bedrock Geology · polygons · 1,892
- Bedrock Geology Contacts · lines · 5,518
- Bedrock Terrane · polygons · 1,892
- Bedrock Terrane Contacts · lines · 5,518
- Erosion Susceptibility · polygons · 44,036
- Erosion Susceptibility Sites · points · 83
- Quaternary Geology LIS Channel-Fill Deposits · polygons · 1
- Quaternary Geology LIS Deltaic Deposits · polygons · 5
- Quaternary Geology LIS Lacustrine Fan Deposits · polygons · 458
- Quaternary Geology LIS Lake Deposits · polygons · 51
- Quaternary Geology LIS End Moraine · polygons · 142
- Quaternary Geology · polygons · 14,921
- Quaternary Geology Line Features · lines · 8,243
- Quaternary Geology Point Features · points · 2,218
- Surficial Materials Contacts · lines · 32,957
- Surficial Materials · polygons · 14,084
- Surficial Aquifer Texture · polygons · 12,849
- Surficial Aquifer Potential · polygons · 10,843
- Soils Drainage Class 2025 · polygons · 239,451
- Soils Subsurface Sewage Disposal Systems · polygons · 236,384
- Soils Inland Wetland 2025 · polygons · 239,451
- Soils Parent Material Name 2025 · polygons · 239,451
- Soils Farmland Classification 2025 · polygons · 239,451
- Soils Hydric Rating 2025 · polygons · 239,451
- Soils All Soils 2025 · polygons · 239,451
- Impaired Estuary 2006 · polygons · 101
- Impaired Lake 2006 · polygons · 47
- Impaired River 2006 · lines · 210
- 305b Assessed 2006 Estuary · polygons · 126
- 305b Assessed 2006 Lake · polygons · 152
- 305b Assessed 2006 River · lines · 560
- Impaired Lake 2008 · polygons · 47
- Impaired Estuary 2008 · polygons · 179
- Impaired River 2008 · lines · 264
- 305b Assessed 2008 Estuary · polygons · 210
- 305b Assessed 2008 Lake · polygons · 182
- 305b Assessed 2008 River · lines · 642
- Impaired Estuary 2010 · polygons · 176
- Impaired Lake 2010 · polygons · 47
- Impaired River 2010 · lines · 296
- 305b Assessed 2010 Estuary · polygons · 210
- 305b Assessed 2010 Lake · polygons · 182
- 305b Assessed 2010 River · lines · 781
- Impaired Estuary 2012 · polygons · 176
- Impaired Lake 2012 · polygons · 47
- Impaired River 2012 · lines · 336
- 305b Assessed 2012 Estuary · polygons · 210
- 305b Assessed 2012 Lake · polygons · 182
- 305b Assessed 2012 River · lines · 872
- Impaired Estuary 2014 · polygons · 79
- Impaired Lake 2014 · polygons · 46
- Impaired River 2014 · lines · 330
- 305b Assessed 2014 Estuary · polygons · 211
- 305b Assessed 2014 Lake · polygons · 182
- 305b Assessed 2014 River · lines · 990
- Impaired Estuary 2016 · polygons · 175
- Impaired Lake 2016 · polygons · 45
- Impaired River 2016 · lines · 355
- 305b Assessed Estuary 2016 · polygons · 211
- 305b Assessed Lake 2016 · polygons · 182
- 305b Assessed River 2016 · lines · 1,051
- Impaired Estuary 2018 · polygons · 175
- Impaired Lake 2018 · polygons · 45
- Impaired River 2018 · lines · 369
- 305b Assessed Estuary 2018 · polygons · 211
- 305b Assessed Lake 2018 · polygons · 182
- 305b Assessed River 2018 · lines · 1,101
- Impaired Estuary 2020 · polygons · 179
- Impaired Lake 2020 · polygons · 45
- Impaired River 2020 · lines · 383
- 305b Assessed Estuary 2020 · polygons · 211
- 305b Assessed Lake 2020 · polygons · 182
- 305b Assessed River 2020 · lines · 1,111
- Impaired Estuary 2022 · polygons · 176
- Impaired Lake 2022 · polygons · 45
- Impaired River 2022 · lines · 378
- CT 305b Assessed Estuary 2022 · polygons · 211
- CT 305b Assessed Lake 2022 · polygons · 182
- CT 305b Assessed River 2022 · lines · 1,293
- Ground Water Quality · polygons · 1,816
- Surface Water Quality Polygon · polygons · 20,123
- Surface Water Quality Lines · lines · 76,672
- CT Hurricane Surge Inundation · polygons · 205,410
- Tidal Wetlands 1990s · polygons · 2,827
- Tidal Wetlands 1970s · polygons · 824
- Municipal and Private Open Space · polygons · 7,769
- Protected Open Space Phase1 · polygons · 4,428
- Protected Open Space View · polygons · 15,505
- Official Designated Connecticut Greenways · lines · 120
- DEEP Property · polygons · 491
- Federal Open Space · polygons · 70
- DEEP Property Access · points · 385
- DEP Boat Launch · points · 117
- Aquifer Protection Area · polygons · 174
- Hydrography Poly · polygons · 51,483
- Hydrography Line · lines · 102,082
- Dams_Public_20260729 · points · 4,308
- Connecticut NWI Wetlands 2024 · polygons · 170,964
- Natural Diversity Database Area · polygons · 1,230
- Critical Habitat · polygons · 2,972
- Cold Water Habitat Sites · points · 792
- Drainage Basin Polygon · polygons · 7,067
- Local Drainage Basin Direction · points · 3,077
- Local Basin Polygon · polygons · 2,898
- Subregional Drainage Basin Direction · points · 314
- Subregional Basin Polygon · polygons · 374
- Regional Drainage Basin Polygon · polygons · 85
- Major Basin Polygon · polygons · 10
- deepgis.DEEP.PARCEL · polygons · 1,020,364
- CT_Parcels · polygons · 1,247,506
- deepgis.DEEP.COASTAL_AREA · polygons · 1
- deepgis.DEEP.COASTAL_BOUNDARY · polygons · 1
- CTCongressionalDistricts · polygons · 5
- CTSenateDistricts · polygons · 36
- CTHouseDistricts · polygons · 151
- countyct_37800_0000_1995_s250_ctdep_1_shp_nad83_feet · polygons · 8
- CT_COGs · polygons · 9
- Exits · points · 860
- State Route Local Names · lines · 2,599
- Unimproved Roads · lines · 2,224
- State Routes · lines · 2,634
- Ramps · lines · 1,918
- Local Roads · lines · 49,933
- Routing Segments · lines · 4,552
- MaxZoomTowns · polygons · 169
- MinZoomTowns · polygons · 169
- Steep Slope 2 ft · polygons · 51,109,421
- Steep Slope 10 ft · polygons · 26,609,124
- Bedrock Geology · polygons · 1,892
- Bedrock Geology Contacts · lines · 5,518
- Bedrock Terrane · polygons · 1,892
- Bedrock Terrane Contacts · lines · 5,518
- Erosion Susceptibility · polygons · 44,036
- Erosion Susceptibility Sites · points · 83
- Quaternary Geology LIS Channel-Fill Deposits · polygons · 1
- Quaternary Geology LIS Deltaic Deposits · polygons · 5
- Quaternary Geology LIS Lacustrine Fan Deposits · polygons · 458
- Quaternary Geology LIS Lake Deposits · polygons · 51
- Quaternary Geology LIS End Moraine · polygons · 142
- Quaternary Geology · polygons · 14,921
- Quaternary Geology Line Features · lines · 8,243
- Quaternary Geology Point Features · points · 2,218
- Surficial Materials Contacts · lines · 32,957
- Surficial Materials · polygons · 14,084
- Surficial Aquifer Texture · polygons · 12,849
- Surficial Aquifer Potential · polygons · 10,843
- Soils Drainage Class 2025 · polygons · 239,451
- Soils Subsurface Sewage Disposal Systems · polygons · 236,384
- Soils Inland Wetland 2025 · polygons · 239,451
- Soils Parent Material Name 2025 · polygons · 239,451
- Soils Farmland Classification 2025 · polygons · 239,451
- Soils Hydric Rating 2025 · polygons · 239,451
- Soils All Soils 2025 · polygons · 239,451
- Impaired Estuary 2006 · polygons · 101
- Impaired Lake 2006 · polygons · 47
- Impaired River 2006 · lines · 210
- 305b Assessed 2006 Estuary · polygons · 126
- 305b Assessed 2006 Lake · polygons · 152
- 305b Assessed 2006 River · lines · 560
- Impaired Lake 2008 · polygons · 47
- Impaired Estuary 2008 · polygons · 179
- Impaired River 2008 · lines · 264
- 305b Assessed 2008 Estuary · polygons · 210
- 305b Assessed 2008 Lake · polygons · 182
- 305b Assessed 2008 River · lines · 642
- Impaired Estuary 2010 · polygons · 176
- Impaired Lake 2010 · polygons · 47
- Impaired River 2010 · lines · 296
- 305b Assessed 2010 Estuary · polygons · 210
- 305b Assessed 2010 Lake · polygons · 182
- 305b Assessed 2010 River · lines · 781
- Impaired Estuary 2012 · polygons · 176
- Impaired Lake 2012 · polygons · 47
- Impaired River 2012 · lines · 336
- 305b Assessed 2012 Estuary · polygons · 210
- 305b Assessed 2012 Lake · polygons · 182
- 305b Assessed 2012 River · lines · 872
- Impaired Estuary 2014 · polygons · 79
- Impaired Lake 2014 · polygons · 46
- Impaired River 2014 · lines · 330
- 305b Assessed 2014 Estuary · polygons · 211
- 305b Assessed 2014 Lake · polygons · 182
- 305b Assessed 2014 River · lines · 990
- Impaired Estuary 2016 · polygons · 175
- Impaired Lake 2016 · polygons · 45
- Impaired River 2016 · lines · 355
- 305b Assessed Estuary 2016 · polygons · 211
- 305b Assessed Lake 2016 · polygons · 182
- 305b Assessed River 2016 · lines · 1,051
- Impaired Estuary 2018 · polygons · 175
- Impaired Lake 2018 · polygons · 45
- Impaired River 2018 · lines · 369
- 305b Assessed Estuary 2018 · polygons · 211
- 305b Assessed Lake 2018 · polygons · 182
- 305b Assessed River 2018 · lines · 1,101
- Impaired Estuary 2020 · polygons · 179
- Impaired Lake 2020 · polygons · 45
- Impaired River 2020 · lines · 383
- 305b Assessed Estuary 2020 · polygons · 211
- 305b Assessed Lake 2020 · polygons · 182
- 305b Assessed River 2020 · lines · 1,111
- Impaired Estuary 2022 · polygons · 176
- Impaired Lake 2022 · polygons · 45
- Impaired River 2022 · lines · 378
- CT 305b Assessed Estuary 2022 · polygons · 211
- CT 305b Assessed Lake 2022 · polygons · 182
- CT 305b Assessed River 2022 · lines · 1,293
- Ground Water Quality · polygons · 1,816
- Surface Water Quality Polygon · polygons · 20,123
- Surface Water Quality Lines · lines · 76,672
- CT Hurricane Surge Inundation · polygons · 205,410
- Tidal Wetlands 1990s · polygons · 2,827
- Tidal Wetlands 1970s · polygons · 824
- Municipal and Private Open Space · polygons · 7,769
- Protected Open Space Phase1 · polygons · 4,428
- Protected Open Space View · polygons · 15,505
- Official Designated Connecticut Greenways · lines · 120
- DEEP Property · polygons · 491
- Federal Open Space · polygons · 70
- DEEP Property Access · points · 385
- DEP Boat Launch · points · 117
- Aquifer Protection Area · polygons · 174
- Hydrography Poly · polygons · 51,483
- Hydrography Line · lines · 102,082
- Dams_Public_20260729 · points · 4,308
- Connecticut NWI Wetlands 2024 · polygons · 170,964
- Natural Diversity Database Area · polygons · 1,230
- Critical Habitat · polygons · 2,972
- Cold Water Habitat Sites · points · 792
- HUC Watershed Poly · polygons · 194
- CT_Watershed_Boundary_Dataset_10_HU · polygons · 53
- CT_Watershed_Boundary_Dataset_8_HU · polygons · 11
- Drainage Basin Polygon · polygons · 7,067
- Local Drainage Basin Direction · points · 3,077
- Local Basin Polygon · polygons · 2,898
- Subregional Drainage Basin Direction · points · 314
- Subregional Basin Polygon · polygons · 374
- Regional Drainage Basin Polygon · polygons · 85
- Major Basin Polygon · polygons · 10
- Impervious_Surface_Land_Connecticut · polygons · 5,599,767
- CT_Buildings_2023_Merged · polygons · 1,556,980
- deepgis.DEEP.PARCEL · polygons · 1,020,364
- CT_Parcels · polygons · 1,247,506
- Connecticut_CAMA_and_Parcel_Layer · polygons · 1,320,686
- deepgis.DEEP.COASTAL_AREA · polygons · 1
- deepgis.DEEP.COASTAL_BOUNDARY · polygons · 1
- CTCongressionalDistricts · polygons · 5
- CTSenateDistricts · polygons · 36
- CTHouseDistricts · polygons · 151
- countyct_37800_0000_1995_s250_ctdep_1_shp_nad83_feet · polygons · 8
- CT_COGs · polygons · 9
- Exits · points · 860
- State Route Local Names · lines · 2,599
- Unimproved Roads · lines · 2,224
- State Routes · lines · 2,634
- Ramps · lines · 1,918
- Local Roads · lines · 49,933
- Routing Segments · lines · 4,552
- MaxZoomTowns · polygons · 169
- MinZoomTowns · polygons · 169
- CT Municipalities · polygons · 169
- Steep Slope 2 ft · polygons · 51,109,421
- Steep Slope 10 ft · polygons · 26,609,124
- Impervious_Surface_Land_Connecticut · polygons · 5,599,767
- CT_Buildings_2023_Merged · polygons · 1,556,980
- HUC Watershed Poly · polygons · 194
- CT_Watershed_Boundary_Dataset_10_HU · polygons · 53
- CT_Watershed_Boundary_Dataset_8_HU · polygons · 11
- Connecticut_CAMA_and_Parcel_Layer · polygons · 1,320,686
- CT Municipalities · polygons · 169
- CT Towns · polygons · 169
- Base Layer Tile Grid (2016 version) · polygons · 23,381
- Contour Blocks (2016 version) · polygons · 56
- Contour Blocks (2023 version) · polygons · 54
- Town Clip Footprints (2023 version) · polygons · 169
- Tile Grid (2012 version) · polygons · 6,131
- Tile Grid (2016 version) · polygons · 23,381
- Impervious_Surface_Land_Connecticut · polygons · 5,599,767
- CT_Buildings_2023_Merged · polygons · 1,556,980
- deepgis.DEEP.PARCEL · polygons · 1,020,364
- CT_Parcels · polygons · 1,247,506
- Connecticut_CAMA_and_Parcel_Layer · polygons · 1,290,196
- Town Polygon · polygons · 785
- cogs · polygons · 9
These maps are published by CT ECO, which owns the data and sets its terms of use. MapPull reads only what is public; it doesn't host or change the data. Layer names and feature counts were read on 2026-10-19 and can change when the publisher updates a map.