HomeSoil seriesWellston

Wellston soil series

Wellston soils cover 986,577 mapped acres, mostly in Indiana, Kentucky and Illinois. USDA rates shrink-swell a limit for houses without basements on 0% of that land, and a shallow water table a limit for basements on under 1%.

It is the leading soil series by area in 8 of the counties and cities on this site, including Martin County, IN; Crawford County, IN; Hancock County, KY.

SSURGO survey versions to August 5, 2026 · series description revised 2015-02

0%

of its land: shrink-swell limits houses without basements

under 1%

of its land: a shallow water table limits basements

1.9%

median highest linear extensibility (6% and up is high)

26%

median highest clay content in the top 150 cm

Engineering properties

Mapped area (SSURGO)986,577 acres
Shrink-swell limits houses without basements0.0%
Shallow water table limits basementsunder 0.1%
Very limited for septic absorption fields66.7%
Most common drainage classWell drained
Most common hydrologic soil groupB
Taxonomic classFine-silty, mixed, active, mesic Ultic Hapludalfs
Type locationWashington County, Ohio

Where Wellston is mapped

StateMapped acres
Indiana404,337
Kentucky380,857
Illinois111,815
Ohio87,565
West Virginia2,003

Places where Wellston leads

Counties and cities where Wellston covers more mapped land than any other series.

PlaceShare of mapped land
Martin County, IN36%
Norwich, OH27%
Crawford County, IN26%
Hancock County, KY25%
Orange County, IN24%
Ohio County, KY17%
Spencer County, IN10%
Greene County, IN9%

Other places where Wellston is a main soil

Counties and cities where Wellston is among the six soil series covering the most mapped land, but not the first. Share of the place's mapped land.

Counties

Texas and Ohio cities

Sources

Shares and properties: USDA NRCS SSURGO via Soil Data Access, weighted by each component's share of its map units. Description: the USDA NRCS series description. How we count.