Winnebago County, Wisconsin
The dominant drainage class is Somewhat poorly drained and the dominant hydrologic group is C/D (varies with drainage). 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 Winnebago County, Wisconsin.
| Soil Map Unit | Acres | Drainage | Hydro Group | Dwellings | Septic |
|---|---|---|---|---|---|
| Water | 91K | Not rated | Not rated | ||
| Kewaunee silt loam, 2 to 6 percent slopes, eroded | 40K | Well drained | D | Somewhat limited | Very limited |
| Manawa silty clay loam, 0 to 3 percent slopes | 30K | Somewhat poorly drained | C/D | Very limited | Very limited |
| Hortonville silt loam, 2 to 6 percent slopes | 23K | Well drained | C | Not limited | Very limited |
| Zittau silty clay loam, 0 to 3 percent slopes | 13K | Somewhat poorly drained | C/D | Very limited | Very limited |
| Willette muck, 0 to 2 percent slopes | 10K | Very poorly drained | C/D | Very limited | Very limited |
| Poy silty clay loam, 0 to 2 percent slopes | 9K | Poorly drained | C/D | Very limited | Very limited |
| Neenah silty clay loam, 0 to 3 percent slopes | 9K | Somewhat poorly drained | D | Very limited | Very limited |
| Menasha clay | 9K | Poorly drained | D | Very limited | Very limited |
| Houghton muck, 0 to 2 percent slopes | 9K | Very poorly drained | A/D | Very limited | Very limited |
| Korobago silt loam, 0 to 3 percent slopes | 7K | Somewhat poorly drained | C/D | Very limited | Very limited |
| Winneconne silty clay loam, 1 to 4 percent slopes | 7K | Moderately well drained | D | Very limited | Very limited |
| Nebago fine sand, 0 to 3 percent slopes | 7K | Somewhat poorly drained | C/D | Very limited | Very limited |
| Poygan silty clay loam, 0 to 2 percent slopes, occasionally ponded, drained | 6K | Poorly drained | C/D | Very limited | Very limited |
| Mosel silt loam, 0 to 3 percent slopes | 5K | Somewhat poorly drained | C/D | Very limited | Very limited |
| Ossian silt loam | 4K | Poorly drained | B/D | Very limited | Very limited |
| Udorthents, 0 to 3 percent slopes | 4K | Somewhat poorly drained | C | Very limited | Very limited |
| Houghton muck, ponded, 0 to 2 percent slopes | 4K | Very poorly drained | A/D | Very limited | Very limited |
| Keowns silt loam, 0 to 2 percent slopes | 4K | Poorly drained | B/D | Very limited | Very limited |
| Borth silty clay loam, 1 to 4 percent slopes | 3K | Moderately well drained | C | Somewhat limited | Very limited |
What This Means
Building & Foundations
About 46% of soils have significant building limitations, while the rest are generally suitable. Check specific sites carefully — conditions vary across the area.
Septic Systems
About 69% 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.