Ste. Genevieve County, Missouri
The dominant drainage class is Well drained and the dominant hydrologic group is C (slow infiltration, moderate runoff). 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 Ste. Genevieve County, Missouri.
| Soil Map Unit | Acres | Drainage | Hydro Group | Dwellings | Septic |
|---|---|---|---|---|---|
| Goss very cobbly silt loam, 15 to 50 percent slopes, extremely stony | 60K | Well drained | D | Very limited | Very limited |
| Lily loam, 8 to 15 percent slopes | 21K | Well drained | C | Very limited | Very limited |
| Jonca silt loam, 3 to 8 percent slopes | 21K | Moderately well drained | C | Somewhat limited | Very limited |
| Wrengart silt loam, 8 to 15 percent slopes, eroded | 18K | Moderately well drained | C | Somewhat limited | Very limited |
| Gasconade-Rock outcrop complex, 15 to 50 percent slopes, rubbly | 16K | Somewhat excessively drained | D | Very limited | Very limited |
| Goss-Menfro complex, 14 to 45 percent slopes | 14K | Well drained | C | Very limited | Very limited |
| Ramsey-Rock outcrop complex, 8 to 50 percent slopes | 13K | Somewhat excessively drained | D | Very limited | Very limited |
| Hildebrecht silt loam, 3 to 8 percent slopes | 11K | Moderately well drained | C/D | Very limited | Very limited |
| Gasconade-Menfro complex, 14 to 50 percent slopes | 9K | Somewhat excessively drained | D | Very limited | Very limited |
| Menfro silt loam, 9 to 14 percent slopes, eroded | 9K | Well drained | B | Somewhat limited | Somewhat limited |
| Wilderness gravelly silt loam, 15 to 30 percent slopes | 8K | Moderately well drained | C/D | Very limited | Very limited |
| Fourche silt loam, 3 to 8 percent slopes | 7K | Moderately well drained | C | Very limited | Very limited |
| Menfro silt loam, karst, 2 to 14 percent slopes, eroded | 7K | Well drained | C | Somewhat limited | Very limited |
| Wrengart silt loam, 5 to 9 percent slopes | 7K | Moderately well drained | C | Somewhat limited | Very limited |
| Caneyville silt loam, 15 to 20 percent slopes, stony | 7K | Well drained | C | Very limited | Very limited |
| Caneyville silt loam, 8 to 15 percent slopes | 6K | Well drained | C | Very limited | Very limited |
| Minnith silt loam, 8 to 15 percent slopes, eroded | 6K | Moderately well drained | C | Somewhat limited | Very limited |
| Menfro silt loam, 3 to 9 percent slopes, eroded | 6K | Well drained | C | Somewhat limited | Very limited |
| Water | 6K | Subaqueous | Not rated | Not rated | |
| Menfro silt loam, 14 to 20 percent slopes, eroded | 5K | Well drained | C | Very limited | Very limited |
What This Means
Building & Foundations
About 68% of soils are rated "very limited" for dwellings with basements. Specific challenges include shallow bedrock, steep slopes. A geotechnical assessment is recommended before building.
Septic Systems
About 94% 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.