Somerset County, Maine
Somerset County covers 3,924 square miles of land. Below is what the Isopleth API returned at the Census Bureau's interior point for the county (45.50365, -69.95611) on 2026-10-29. The ground sits at 403 m (1,322 ft) on a 0.2° slope, it is outside a mapped FEMA floodplain, the nearest 69 kV+ substation is 8.7 km (5.4 mi) away and a major road is 9.0 km (5.6 mi) away. Values describe that one point, not the whole county; look up your own address or coordinates for your site.
Sample point values
| field | value | source |
|---|---|---|
| Inside a mapped floodplain | No | FEMA_NFHL Federal Emergency Management Agency |
| Wildfire, annual frequency | 0.000010 events a year | FEMA_NRI Federal Emergency Management Agencyvintage December 2025 |
| Tornado, annual frequency | 0.052 events a year | FEMA_NRI Federal Emergency Management Agencyvintage December 2025 |
| Hail, annual frequency | 0.28 events a year | FEMA_NRI Federal Emergency Management Agencyvintage December 2025 |
| Current drought category | D1 | USDM_CURRENT The U.S. Drought Monitor is jointly produced by the National Drought Mitigation Center at the University of Nebraska-Lincoln, the United States Department of Agriculture, and the National Oceanic and Atmospheric Administration. Map courtesy of NDMC.vintage US Drought Monitor map valid 20261020 |
| On a mapped wetland | Yes | USFWS_NWI U.S. Fish and Wildlife Service |
| Nearest mapped wetland | 0 m | USFWS_NWI U.S. Fish and Wildlife Service |
| Elevation | 403 m (1,322 ft) | USGS_3DEP_COG U.S. Geological Surveyvintage 3DEP 1/3 arc-second seamless DEM |
| Slope | 0.2° | USGS_3DEP_COG U.S. Geological Survey |
| Farmland class | Prime | USDA_SSURGO U.S. Department of Agriculturevintage SSURGO ME619 mukey 285722 |
| Land use | Non-Forest Wetland | USFS_LCMS USDA Forest Servicevintage USFS LCMS CONUS 2025 annual (30 m) |
| Crop or cover (CDL) | Woody Wetlands | USDA_CDL U.S. Department of Agriculturevintage USDA CDL 2025 (30 m) |
| Tree canopy | 35% | USFS_NLCD_TCC USDA Forest Servicevintage USFS/MRLC NLCD Tree Canopy Cover (latest annual, 30 m) |
| On protected land (PAD-US) | No | PAD_US USGS Protected Areas Database of the United States (PAD-US)vintage USGS PAD-US 4.1 (Protection Mechanism Category combined layer) |
| Surface manager | Private or unknown | BLM_SMA Bureau of Land Management |
| Annual precipitation (normal) | 1,116 mm (44 in) | NOAA_NCEI_NORMALS_GRIDDED National Oceanic and Atmospheric Administrationvintage NOAA NCEI 1991-2020 gridded (nClimGrid) monthly normals v1.0, annual layers |
| Days above 32 °C a year | 0 days | NOAA_NCEI_NCLIMGRID_DAILY National Oceanic and Atmospheric Administrationvintage NOAA nClimGrid-Daily v1.0 (scaled), 1991-2020 mean annual day counts |
| Solar resource (GHI) | 3.49 kWh/m²/day | JRC_PVGIS_NSRDB See source_url |
| Mean wind speed at 100 m | 8.6 m/s | NREL_WIND_TOOLKIT NREL WIND Toolkit (Draxl et al., 2015)vintage NREL WIND Toolkit CONUS v1.0.0, 2007-2013 (5-min, 2 km) |
| Wind capacity factor | 28% | NREL_REV_LANDBASED_WIND_SC_2024 NREL reV supply curves, Open Energy Data Initiative (OEDI)vintage NREL reV land-based wind SC 2024 (Open access) |
| Nearest substation (69 kV+) | 8.7 km (5.4 mi) | EIA_POWER U.S. Energy Information Administration |
| Nearest gas pipeline | 114.2 km (71.0 mi) | EIA_ATLAS U.S. Energy Information Administration |
| Electric utility | CENTRAL MAINE POWER CO | EIA_POWER U.S. Energy Information Administrationvintage HIFLD Electric Retail Service Territories |
| In a public water service area | No | EPA_CWS_SERVICE_AREAS U.S. Environmental Protection Agencyvintage V3.0 (2026-03-17) |
| Nearest major road | 9.0 km (5.6 mi) | OVERTURE_TRANSPORTATION © Overture Maps Foundation, © OpenStreetMap contributorsvintage 2026-10-21.0 |
| Nearest school | 23.7 km (14.7 mi) | OVERTURE_PLACES © Overture Maps Foundationvintage 2026-10-21.0 |
| In an Opportunity Zone | No | HUD_OPPORTUNITY_ZONES U.S. Department of Housing and Urban Development |
Fields with no data at this point are left out. See the field catalog for all 351 fields.
Parcels
Parcel records: 708,373 parcels in 16 counties. Somerset County has 19,152 of them. Published by Maine GeoLibrary; contributing municipalities (Public, attribution); Town submissions of varying age (some 2011); republished 2026, refreshed annual.
Share of parcels with each column filled: site address 67%. Not published here: owner name, total value, land use, sale date, zoning, year built.
Look up your own site
curl https://api.isopleth.dev/v1/fetch -H "Authorization: Bearer $ISOPLETH_KEY" \
-H "Content-Type: application/json" \
-d '{"lat": 45.503646, "lng": -69.95611, "preset": "site_selection"}'
Or ask your assistant through the MCP server: “Using Isopleth, check flood zone, wetlands, soils and distance to power for [your address in Somerset County, Maine].”
Buying land here? Check the Land’s Somerset County page shows what its $29 report checks, built on these same Isopleth fields.
More in Maine: Aroostook County · Piscataquis County · Maine overview · all states