Faulk County, South Dakota
The dominant drainage class is Well drained and the dominant hydrologic group is B (moderate infiltration). The most common soil order is Mollisols — grassland soils with a thick, dark, fertile topsoil rich in organic matter. This report summarizes the major soil map units across the survey area to help you understand what to expect when buying, building, or gardening in Faulk County, South Dakota. Search your address to find the exact soil composition, drainage, and series details at your specific location.
| Soil Map Unit | Acres | Drainage | Hydro Group | Dwellings | Septic |
|---|---|---|---|---|---|
| Williams-Bowbells loams, 3 to 6 percent slopes | 76K | Well drained | B | Somewhat limited | Somewhat limited |
| Williams-Bowbells-Tonka complex, 0 to 6 percent slopes | 71K | Well drained | C | Somewhat limited | Very limited |
| Williams-Bowbells loams, 0 to 3 percent slopes | 54K | Well drained | B | Somewhat limited | Somewhat limited |
| Williams-Bowbells-Zahl loams, 0 to 6 percent slopes | 44K | Well drained | B | Somewhat limited | Somewhat limited |
| Williams-Bowbells loams, 0 to 3 percent slopes | 22K | Well drained | C | Somewhat limited | Very limited |
| Tonka-Parnell complex, 0 to 1 percent slopes, Missouri Coteau | 20K | Poorly drained | C/D | Very limited | Very limited |
| Max-Arnegard-Zahl loams, 0 to 6 percent slopes | 19K | Well drained | B | Somewhat limited | Somewhat limited |
| Williams-Bowbells-Noonan loams, 0 to 3 percent slopes | 18K | Well drained | B | Somewhat limited | Somewhat limited |
| Williams-Bowbells loams, 1 to 6 percent slopes | 17K | Well drained | C | Somewhat limited | Very limited |
| Williams-Bowbells-Noonan loams, 3 to 6 percent slopes | 16K | Well drained | B | Somewhat limited | Somewhat limited |
| Parnell silty clay loam, 0 to 1 percent slopes, Missouri Coteau | 14K | Very poorly drained | C/D | Very limited | Very limited |
| Williams-Bowbells-Nishon complex, 0 to 3 percent slopes | 13K | Well drained | C | Somewhat limited | Very limited |
| Zahl-Williams-Bowbells loams, 3 to 9 percent slopes | 12K | Well drained | B | Somewhat limited | Somewhat limited |
| Max-Arnegard-Zahl loams, 1 to 6 percent slopes | 12K | Well drained | C | Somewhat limited | Very limited |
| Max-Niobell-Noonan loams, 3 to 6 percent slopes | 11K | Well drained | B | Somewhat limited | Somewhat limited |
| Tonka silt loam, 0 to 1 percent slopes | 10K | Poorly drained | C/D | Very limited | Very limited |
| Max-Arnegard loams, 0 to 3 percent slopes | 10K | Well drained | B | Somewhat limited | Somewhat limited |
| Williams-Zahl-Bowbells complex, 3 to 9 percent slopes, very stony | 10K | Well drained | B | Somewhat limited | Somewhat limited |
| Ranslo-Harriet loams, 0 to 2 percent slopes, occasionally flooded | 9K | Somewhat poorly drained | D | Very limited | Very limited |
| Williams-Bowbells-Nishon complex, 1 to 6 percent slopes | 9K | Well drained | C | Somewhat limited | Very limited |
Soil Orders in This Area
The USDA classifies every soil into one of 12 soil orders. Here are the dominant orders found in this survey area.
What This Means
Building & Foundations
Most soils are generally favorable for residential construction. Standard foundations are usually viable, though site-specific evaluation is always recommended.
Septic Systems
About 42% of soils have significant septic limitations, while others are more suitable. A perc test is essential — conditions vary across the area.
Gardening & Agriculture
Drainage is generally favorable for gardening. Adding compost and mulch will improve fertility and water retention. Test your soil's pH before planting — most vegetables prefer 6.0-7.0.