Pettis County, Missouri
The dominant drainage class is Somewhat poorly 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 Pettis County, Missouri.
| Soil Map Unit | Acres | Drainage | Hydro Group | Dwellings | Septic |
|---|---|---|---|---|---|
| Arisburg silt loam, 2 to 5 percent slopes, eroded | 71K | Somewhat poorly drained | C | Very limited | Very limited |
| Hartwell silt loam, 1 to 3 percent slopes, eroded | 45K | Somewhat poorly drained | C/D | Very limited | Very limited |
| Arisburg silt loam, 1 to 5 percent slopes | 32K | Somewhat poorly drained | C | Very limited | Very limited |
| Dockery silt loam, 0 to 2 percent slopes, frequently flooded | 18K | Somewhat poorly drained | B/D | Very limited | Very limited |
| Hartwell silt loam, 0 to 1 percent slopes | 17K | Somewhat poorly drained | C/D | Very limited | Very limited |
| Goss very gravelly silt loam, 15 to 35 percent slopes, very stony | 17K | Well drained | C | Very limited | Very limited |
| Maplewood silt loam, 2 to 5 percent slopes, eroded | 15K | Somewhat poorly drained | C/D | Very limited | Very limited |
| Bluelick silt loam, 5 to 9 percent slopes | 14K | Well drained | C | Somewhat limited | Very limited |
| Eldon gravelly silt loam, 3 to 8 percent slopes | 13K | Well drained | C | Very limited | Very limited |
| Eldon gravelly silt loam, 8 to 15 percent slopes | 13K | Well drained | C | Somewhat limited | Very limited |
| Paintbrush silt loam, 5 to 9 percent slopes | 13K | Moderately well drained | D | Very limited | Very limited |
| Greenton silt loam, bedrock substratum, 5 to 9 percent slopes, eroded | 12K | Somewhat poorly drained | D | Very limited | Very limited |
| Ladoga silt loam, 5 to 9 percent slopes | 12K | Moderately well drained | C | Very limited | Very limited |
| Colo silt loam, 1 to 4 percent slopes, occasionally flooded | 11K | Poorly drained | C/D | Very limited | Very limited |
| Pershing silt loam, 2 to 5 percent slopes, eroded | 8K | Moderately well drained | D | Very limited | Very limited |
| Friendly silt loam, 1 to 4 percent slopes, eroded | 8K | Somewhat poorly drained | C/D | Very limited | Very limited |
| Greenton silt loam, 2 to 5 percent slopes, eroded | 8K | Somewhat poorly drained | D | Very limited | Very limited |
| Bluelick silt loam, 9 to 14 percent slopes, eroded | 8K | Well drained | C | Somewhat limited | Very limited |
| Pershing silt loam, 5 to 9 percent slopes, eroded | 8K | Somewhat poorly drained | C/D | Very limited | Very limited |
| Lamine silt loam, 0 to 2 percent slopes, occasionally flooded | 7K | Somewhat poorly drained | D | Very limited | Very limited |
What This Means
Building & Foundations
About 90% 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 100% of soils are rated "very limited" for septic absorption fields. Poorly drained soils can't absorb septic effluent effectively. Engineered or alternative systems are frequently required. Always get a professional perc test before purchasing land that needs septic.
Gardening & Agriculture
Many soils hold water for extended periods. Raised beds are highly recommended to improve drainage for vegetables. Well-adapted native plants and water-loving species will do best in natural conditions.