Stark County, Illinois
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 Stark County, Illinois.
| Soil Map Unit | Acres | Drainage | Hydro Group | Dwellings | Septic |
|---|---|---|---|---|---|
| Ipava silt loam, 0 to 2 percent slopes | 25K | Somewhat poorly drained | C/D | Very limited | Very limited |
| Osco silt loam, 2 to 5 percent slopes | 24K | Well drained | B | Somewhat limited | Somewhat limited |
| Elkhart silt loam, 5 to 10 percent slopes, eroded | 8K | Well drained | B | Somewhat limited | Somewhat limited |
| Osco silt loam, 5 to 10 percent slopes, eroded | 8K | Well drained | B | Somewhat limited | Somewhat limited |
| Elburn silt loam, 0 to 2 percent slopes | 7K | Somewhat poorly drained | B/D | Very limited | Very limited |
| Lawson silt loam, cool mesic, 0 to 2 percent slopes, frequently flooded | 7K | Somewhat poorly drained | B/D | Very limited | Very limited |
| Rozetta silt loam, 5 to 10 percent slopes, eroded | 6K | Well drained | B | Somewhat limited | Somewhat limited |
| Catlin silt loam, 2 to 5 percent slopes | 6K | Moderately well drained | C | Somewhat limited | Very limited |
| Muscatune silt loam, 0 to 2 percent slopes | 6K | Somewhat poorly drained | B/D | Very limited | Very limited |
| Rozetta silt loam, 2 to 5 percent slopes | 5K | Well drained | B | Somewhat limited | Somewhat limited |
| Flanagan silt loam, 0 to 2 percent slopes | 5K | Somewhat poorly drained | C/D | Very limited | Very limited |
| Osco silt loam, 2 to 5 percent slopes, eroded | 4K | Well drained | B | Somewhat limited | Somewhat limited |
| Radford silt loam, 0 to 2 percent slopes, occasionally flooded | 4K | Somewhat poorly drained | B/D | Very limited | Very limited |
| Drummer silty clay loam, 0 to 2 percent slopes | 4K | Poorly drained | B/D | Very limited | Very limited |
| Plano silt loam, 2 to 5 percent slopes | 3K | Well drained | B | Somewhat limited | Very limited |
| Plano silt loam, 0 to 2 percent slopes | 3K | Well drained | B | Somewhat limited | Very limited |
| Greenbush silt loam, 5 to 10 percent slopes, eroded | 3K | Well drained | B | Somewhat limited | Somewhat limited |
| Sylvan silty clay loam, 10 to 18 percent slopes, severely eroded | 2K | Well drained | B | Somewhat limited | Somewhat limited |
| Catlin silt loam, 2 to 5 percent slopes, eroded | 2K | Moderately well drained | C | Somewhat limited | Very limited |
| Greenbush silt loam, 2 to 5 percent slopes | 2K | Well drained | B | Somewhat limited | Somewhat limited |
What This Means
Building & Foundations
About 42% of soils have significant building limitations, while the rest are generally suitable. Check specific sites carefully — conditions vary across the area.
Septic Systems
About 53% 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
Drainage is generally favorable for gardening. Adding compost and mulch will improve fertility and water retention. Test your soil's pH before planting — most vegetables prefer 6.0-7.0.