Kewaunee County, Wisconsin
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 Kewaunee County, Wisconsin.
| Soil Map Unit | Acres | Drainage | Hydro Group | Dwellings | Septic |
|---|---|---|---|---|---|
| Hortonville silt loam, 2 to 6 percent slopes | 32K | Well drained | C | Not limited | Very limited |
| Symco silt loam, 0 to 3 percent slopes | 13K | Somewhat poorly drained | C/D | Very limited | Very limited |
| Carbondale muck, 0 to 2 percent slopes | 11K | Very poorly drained | A/D | Very limited | Very limited |
| Kewaunee silt loam, 2 to 6 percent slopes, eroded | 11K | Well drained | D | Somewhat limited | Very limited |
| Hortonville-Symco silt loams, 1 to 6 percent slopes | 10K | Well drained | C | Not limited | Very limited |
| Waymor silt loam, 1 to 6 percent slopes | 10K | Well drained | C | Somewhat limited | Very limited |
| Hortonville silt loam, 6 to 12 percent slopes, eroded | 9K | Well drained | C | Somewhat limited | Very limited |
| Kewaunee silty clay loam, 2 to 6 percent slopes, eroded | 8K | Well drained | D | Somewhat limited | Very limited |
| Onaway-Ossineke fine sandy loams, moraine, 1 to 6 percent slopes | 7K | Well drained | C | Not limited | Somewhat limited |
| Manawa silt loam, 0 to 3 percent slopes | 7K | Somewhat poorly drained | D | Very limited | Very limited |
| Casco sandy loam, 2 to 6 percent slopes | 7K | Somewhat excessively drained | B | Not limited | Very limited |
| Cathro muck | 6K | Very poorly drained | B/D | Very limited | Very limited |
| Pella silt loam, 0 to 2 percent slopes | 5K | Poorly drained | B/D | Very limited | Very limited |
| Kewaunee silty clay loam, 6 to 12 percent slopes, eroded | 4K | Well drained | D | Somewhat limited | Somewhat limited |
| Solona silt loam, 0 to 3 percent slopes | 4K | Somewhat poorly drained | B/D | Very limited | Very limited |
| Waymor silt loam, 6 to 12 percent slopes, eroded | 3K | Well drained | C | Somewhat limited | Very limited |
| Lamartine silt loam, 0 to 3 percent slopes | 3K | Somewhat poorly drained | B/D | Very limited | Very limited |
| Kolberg silt loam, 2 to 6 percent slopes | 3K | Well drained | D | Very limited | Very limited |
| Markey muck, 0 to 2 percent slopes | 3K | Very poorly drained | A/D | Very limited | Very limited |
| Kewaunee-Manawa silt loams, 1 to 6 percent slopes | 3K | Well drained | C | Somewhat limited | Very limited |
What This Means
Building & Foundations
About 35% of soils have significant building limitations, while the rest are generally suitable. Check specific sites carefully — conditions vary across the area.
Septic Systems
About 92% 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.