Crawford County, Wisconsin
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, Wisconsin.
| Soil Map Unit | Acres | Drainage | Hydro Group | Dwellings | Septic |
|---|---|---|---|---|---|
| Dorerton, very stony-Elbaville complex, 30 to 60 percent slopes | 80K | Well drained | B | Very limited | Very limited |
| Valton silt loam, 12 to 20 percent slopes, moderately eroded | 43K | Well drained | C | Very limited | Very limited |
| Seaton silt loam, driftless ridge, 12 to 20 percent slopes, moderately eroded | 42K | Well drained | B | Very limited | Very limited |
| Water | 25K | Not rated | Not rated | ||
| Seaton silt loam, driftless ridge, 6 to 12 percent slopes, moderately eroded | 24K | Well drained | B | Somewhat limited | Somewhat limited |
| Elbaville silt loam, 20 to 30 percent slopes, moderately eroded | 22K | Well drained | C | Very limited | Very limited |
| Pepin silt loam, 20 to 30 percent slopes, moderately eroded | 14K | Well drained | B | Very limited | Very limited |
| Newglarus silt loam, deep, 12 to 20 percent slopes, moderately eroded | 13K | Well drained | C | Very limited | Very limited |
| Algansee-Kalmarville complex, river valleys, 0 to 3 percent slopes, frequently flooded | 12K | Somewhat poorly drained | A/D | Very limited | Very limited |
| Pepin silt loam, 12 to 20 percent slopes, moderately eroded | 10K | Well drained | B | Very limited | Very limited |
| Arenzville silt loam, 0 to 3 percent slopes, occasionally flooded | 8K | Moderately well drained | B | Very limited | Very limited |
| Churchtown silt loam, 20 to 30 percent slopes, moderately eroded | 7K | Well drained | B | Very limited | Very limited |
| Lacrescent-Dunbarton complex, very stony, 30 to 60 percent slopes | 6K | Well drained | B | Very limited | Very limited |
| Valton silt loam, 6 to 12 percent slopes, moderately eroded | 6K | Well drained | C | Somewhat limited | Very limited |
| Beavercreek cobbly fine sandy loam, 3 to 12 percent slopes, occasionally flooded | 5K | Well drained | A | Very limited | Very limited |
| Northbend-Ettrick silt loams, 0 to 3 percent slopes, frequently flooded | 5K | Somewhat poorly drained | B/D | Very limited | Very limited |
| Orion silt loam, 0 to 3 percent slopes, occasionally flooded | 5K | Somewhat poorly drained | B/D | Very limited | Very limited |
| Chaseburg silt loam, 1 to 4 percent slopes, occasionally flooded | 4K | Well drained | B | Very limited | Very limited |
| Churchtown silt loam, 12 to 20 percent slopes, moderately eroded | 4K | Well drained | B | Very limited | Very limited |
| Elizabeth flaggy silt loam, 20 to 30 percent slopes | 3K | Somewhat excessively drained | D | Very limited | Very limited |
What This Means
Building & Foundations
About 83% of soils are rated "very limited" for dwellings with basements. Specific challenges include shallow bedrock, steep slopes, poor drainage in some areas, flood-prone areas. A geotechnical assessment is recommended before building.
Septic Systems
About 85% 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.