States / Virginia / Rockingham County

Rockingham County, Virginia

Rockingham County covers 850 square miles of land. Below is what the Isopleth API returned at the Census Bureau's interior point for the county (38.50761, -78.88533) on 2026-10-29. The ground sits at 422 m (1,383 ft) on a 1.5° slope, the mapped soil is well drained, it is outside a mapped FEMA floodplain, the nearest 69 kV+ substation is 4.5 km (2.8 mi) away and a major road is 1.2 km (0.8 mi) away. Values describe that one point, not the whole county; look up your own address or coordinates for your site.

Sample point values

fieldvaluesource
FEMA flood zoneXFEMA_NFHL Federal Emergency Management Agency
vintage 51165C_BASE9
Inside a mapped floodplainNoFEMA_NFHL Federal Emergency Management Agency
vintage 51165C_BASE9
Wildfire, annual frequency0.0026 events a yearFEMA_NRI Federal Emergency Management Agency
vintage December 2025
Tornado, annual frequency0.0090 events a yearFEMA_NRI Federal Emergency Management Agency
vintage December 2025
Hail, annual frequency2.2 events a yearFEMA_NRI Federal Emergency Management Agency
vintage December 2025
Current drought categoryD0USDM_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 wetlandNoUSFWS_NWI U.S. Fish and Wildlife Service
Nearest mapped wetland203 mUSFWS_NWI U.S. Fish and Wildlife Service
Elevation422 m (1,383 ft)USGS_3DEP_COG U.S. Geological Survey
vintage 3DEP 1/3 arc-second seamless DEM
Slope1.5°USGS_3DEP_COG U.S. Geological Survey
Soil drainageWell drainedUSDA_SSURGO U.S. Department of Agriculture
vintage SSURGO VA165 mukey 518359
Soil hydrologic groupDUSDA_SSURGO U.S. Department of Agriculture
vintage SSURGO VA165 mukey 518359
Farmland classPrimeUSDA_SSURGO U.S. Department of Agriculture
vintage SSURGO VA165 mukey 518359
Land useAgricultureUSFS_LCMS USDA Forest Service
vintage USFS LCMS CONUS 2025 annual (30 m)
Crop or cover (CDL)Grass/PastureUSDA_CDL U.S. Department of Agriculture
vintage USDA CDL 2025 (30 m)
Dominant crop, 5 yearsOther Hay/Non AlfalfaUSDA_CDL U.S. Department of Agriculture
vintage USDA CDL 2021-2025 dominant-crop mode
Tree canopy0%USFS_NLCD_TCC USDA Forest Service
vintage USFS/MRLC NLCD Tree Canopy Cover (latest annual, 30 m)
On protected land (PAD-US)NoPAD_US USGS Protected Areas Database of the United States (PAD-US)
vintage USGS PAD-US 4.1 (Protection Mechanism Category combined layer)
Surface managerPrivate or unknownBLM_SMA Bureau of Land Management
Annual precipitation (normal)1,049 mm (41 in)NOAA_NCEI_NORMALS_GRIDDED National Oceanic and Atmospheric Administration
vintage NOAA NCEI 1991-2020 gridded (nClimGrid) monthly normals v1.0, annual layers
Days above 32 °C a year18 daysNOAA_NCEI_NCLIMGRID_DAILY National Oceanic and Atmospheric Administration
vintage NOAA nClimGrid-Daily v1.0 (scaled), 1991-2020 mean annual day counts
Solar resource (GHI)4.19 kWh/m²/dayJRC_PVGIS_NSRDB See source_url
Mean wind speed at 100 m5.2 m/sNREL_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 factor21%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 transmission line1.4 km (0.9 mi)EIA_ATLAS U.S. Energy Information Administration
Nearest substation (69 kV+)4.5 km (2.8 mi)EIA_POWER U.S. Energy Information Administration
Nearest gas pipeline19.5 km (12.1 mi)EIA_ATLAS U.S. Energy Information Administration
Electric utilitySHENANDOAH VALLEY ELEC COOPEIA_POWER U.S. Energy Information Administration
vintage HIFLD Electric Retail Service Territories
In a public water service areaNoEPA_CWS_SERVICE_AREAS U.S. Environmental Protection Agency
vintage V3.0 (2026-03-17)
Depth to water, nearest monitored well10.8 m (35 ft)USGS_NWIS_OGC U.S. Geological Survey
vintage USGS Water Data discrete groundwater-level field measurements (latest per well)
Nearest major road1.2 km (0.8 mi)OVERTURE_TRANSPORTATION © Overture Maps Foundation, © OpenStreetMap contributors
vintage 2026-10-21.0
Nearest fire station5.4 km (3.4 mi)OVERTURE_PLACES © Overture Maps Foundation
vintage 2026-10-21.0
Nearest hospital3.7 km (2.3 mi)OVERTURE_PLACES © Overture Maps Foundation
vintage 2026-10-21.0
Nearest school3.5 km (2.2 mi)OVERTURE_PLACES © Overture Maps Foundation
vintage 2026-10-21.0
In an Opportunity ZoneNoHUD_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: 4,174,104 parcels in 133 counties. Rockingham County has 51,805 of them. Published by Virginia Geographic Information Network (VGIN); localities (Public, attribution); Locality submissions 2017-2026 (132 of 133 localities), refreshed annual.

Not published here: owner name, site address, total value, land use, sale date, zoning, year built.

The parcel under the sample point is 54.1 acres. parcel_enrich returns that record for any parcel you ask about, and parcel_search finds parcels by acreage, land use or value.

Look up your own site

curl https://api.isopleth.dev/v1/fetch -H "Authorization: Bearer $ISOPLETH_KEY" \
  -H "Content-Type: application/json" \
  -d '{"lat": 38.507612, "lng": -78.885329, "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 Rockingham County, Virginia].”

Buying land here? Check the Land’s Rockingham County page shows what its $29 report checks, built on these same Isopleth fields.

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More in Virginia: Pittsylvania County · Augusta County · Virginia overview · all states