HomeSoil seriesRichfield

Richfield soil series

Richfield soils cover 2,581,668 mapped acres, mostly in Kansas, Colorado and South Dakota. USDA rates shrink-swell a limit for houses without basements on 12% of that land, and a shallow water table a limit for basements on 0%.

It is the leading soil series by area in 10 of the counties and cities on this site, including Haskell County, KS; Greeley County, KS; Wichita County, KS.

SSURGO survey versions to August 5, 2026 · series description revised 2006-01

12%

of its land: shrink-swell limits houses without basements

0%

of its land: a shallow water table limits basements

6.8%

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

39%

median highest clay content in the top 150 cm

USDA's description

The Richfield series consists of very deep, well drained soils that formed in calcareous loess. Richfield soils are on tableland plains. Slopes range from 0 to 6 percent. Mean annual precipitation is 46 centimeters (18 inches) and mean annual temperature is 12 degrees C (54 degrees F).

Source: USDA NRCS series description (OSD) for Richfield, revised 2006-01. Read it.

Engineering properties

Mapped area (SSURGO)2,581,668 acres
Shrink-swell limits houses without basements11.6%
Shallow water table limits basements0.0%
Very limited for septic absorption fields92.2%
Most common drainage classWell drained
Most common hydrologic soil groupC
Taxonomic classFine, smectitic, mesic Aridic Argiustolls
Type locationGrant County, Kansas

Where Richfield is mapped

StateMapped acres
Kansas2,162,624
Colorado313,281
South Dakota57,729
Nebraska27,721
Montana20,313

Places where Richfield leads

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

Other places where Richfield is a main soil

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

Counties

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.