Crawford County, Indiana
The dominant drainage class is Well drained and the dominant hydrologic group is B (moderate infiltration). 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 Crawford County, Indiana.
| Soil Map Unit | Acres | Drainage | Hydro Group | Dwellings | Septic |
|---|---|---|---|---|---|
| Tipsaw-Adyeville complex, 25 to 75 percent slopes | 34K | Somewhat excessively drained | C | Very limited | Very limited |
| Wellston silt loam, 12 to 18 percent slopes, severely eroded | 34K | Well drained | B | Very limited | Very limited |
| Apalona-Zanesville silt loams, 2 to 6 percent slopes | 18K | Moderately well drained | C/D | Very limited | Very limited |
| Apalona-Zanesville silt loams, 6 to 12 percent slopes, severely eroded | 17K | Moderately well drained | D | Very limited | Very limited |
| Wellston silt loam, 12 to 18 percent slopes, eroded | 13K | Well drained | B | Very limited | Very limited |
| Adyeville silt loam, 18 to 25 percent slopes, eroded | 9K | Somewhat excessively drained | C | Very limited | Very limited |
| Haymond silt loam, 0 to 2 percent slopes, frequently flooded, brief duration | 9K | Well drained | B | Very limited | Very limited |
| Apalona-Zanesville silt loams, 6 to 12 percent slopes, eroded | 8K | Moderately well drained | D | Very limited | Very limited |
| Adyeville-Tipsaw complex, 18 to 30 percent slopes | 8K | Somewhat excessively drained | C | Very limited | Very limited |
| Wellston silt loam, 6 to 12 percent slopes, severely eroded | 5K | Well drained | B | Somewhat limited | Somewhat limited |
| Adyeville silt loam, 18 to 25 percent slopes, severely eroded | 5K | Somewhat excessively drained | C | Very limited | Very limited |
| Corydon stony silt loam, 20 to 60 percent slopes | 4K | Well drained | D | Very limited | Very limited |
| Haggatt silty clay loam, 12 to 18 percent slopes, severely eroded | 4K | Well drained | B | Very limited | Very limited |
| Gatchel loam, 0 to 3 percent slopes, occasionally flooded, very brief duration | 3K | Somewhat excessively drained | A | Very limited | Very limited |
| Water | 3K | Not rated | Not rated | ||
| Haggatt silty clay loam, 6 to 12 percent slopes, severely eroded | 2K | Well drained | B | Very limited | Somewhat limited |
| Wellston silt loam, 6 to 12 percent slopes, eroded | 2K | Well drained | C | Somewhat limited | Very limited |
| Apalona silt loam, 0 to 2 percent slopes | 2K | Moderately well drained | C/D | Very limited | Very limited |
| Pits, quarry | 1K | Not rated | Not rated | ||
| Adyeville silt loam, 12 to 18 percent slopes, severely eroded | 1K | Somewhat excessively drained | C | Very limited | Very limited |
What This Means
Building & Foundations
About 93% of soils are rated "very limited" for dwellings with basements. Specific challenges include shallow bedrock, steep slopes, flood-prone areas. A geotechnical assessment is recommended before building.
Septic Systems
About 93% of soils are rated "very limited" for septic absorption fields. Despite good drainage overall, limitations may stem from shallow bedrock, steep slopes, or seasonal conditions. Engineered or alternative systems are frequently required. Always get a professional perc test before purchasing land that needs septic.
Gardening & Agriculture
Well-drained soils on sloped terrain — good for most plants but watch for erosion. Terracing, contour planting, and mulching help retain moisture and topsoil. Drip irrigation is more effective than sprinklers on slopes.