Webster County, Missouri
The dominant drainage class is Moderately 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 Webster County, Missouri.
| Soil Map Unit | Acres | Drainage | Hydro Group | Dwellings | Septic |
|---|---|---|---|---|---|
| Tonti silt loam, 3 to 8 percent slopes | 36K | Moderately well drained | D | Very limited | Very limited |
| Goss-Wilderness complex, 3 to 8 percent slopes | 34K | Well drained | B | Very limited | Very limited |
| Viraton silt loam, 2 to 5 percent slopes | 34K | Moderately well drained | D | Very limited | Very limited |
| Alsup-Noark complex, 8 to 35 percent slopes | 32K | Moderately well drained | C | Very limited | Very limited |
| Scholten-Noark complex, 3 to 8 percent slopes | 27K | Moderately well drained | D | Very limited | Very limited |
| Mano-Ocie complex, 8 to 15 percent slopes, stony | 22K | Moderately well drained | C | Very limited | Very limited |
| Noark very gravelly silt loam, 15 to 35 percent slopes | 21K | Well drained | B | Very limited | Very limited |
| Ocie-Gatewood complex, 15 to 35 percent slopes, very stony | 15K | Moderately well drained | C | Very limited | Very limited |
| Mano-Ocie complex, 15 to 35 percent slopes, stony | 14K | Moderately well drained | C | Very limited | Very limited |
| Ocie-Gatewood complex, 3 to 15 percent slopes, stony | 12K | Moderately well drained | C | Very limited | Very limited |
| Cedargap gravelly silt loam, 1 to 3 percent slopes, frequently flooded | 11K | Well drained | B | Very limited | Very limited |
| Pomme silt loam, 3 to 8 percent slopes | 9K | Well drained | B | Not limited | Somewhat limited |
| Dameron silt loam, 0 to 2 percent slopes, frequently flooded | 9K | Well drained | C | Very limited | Very limited |
| Noark very gravelly silt loam, 8 to 20 percent slopes | 9K | Well drained | C | Very limited | Very limited |
| Captina-Needleye complex, 1 to 3 percent slopes | 9K | Moderately well drained | C | Very limited | Very limited |
| Alsup gravelly silt loam, 3 to 8 percent slopes | 8K | Moderately well drained | C | Somewhat limited | Very limited |
| Ocie-Gatewood complex, 3 to 8 percent slopes | 7K | Moderately well drained | C | Very limited | Very limited |
| Mano-Ocie complex, 1 to 8 percent slopes | 7K | Moderately well drained | C | Very limited | Very limited |
| Hobson loam, 3 to 8 percent slopes | 6K | Moderately well drained | D | Very limited | Very limited |
| Plato silt loam, 1 to 3 percent slopes | 5K | Somewhat poorly drained | D | Very limited | Very limited |
What This Means
Building & Foundations
About 94% of soils are rated "very limited" for dwellings with basements. Specific challenges include steep slopes, poor drainage in some areas, flood-prone areas. A geotechnical assessment is recommended before building.
Septic Systems
About 97% 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.