Sheridan County Area, Wyoming
The dominant drainage class is Well drained and the dominant hydrologic group is D (very slow infiltration, high 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 Sheridan County Area, Wyoming.
| Soil Map Unit | Acres | Drainage | Hydro Group | Dwellings | Septic |
|---|---|---|---|---|---|
| Shingle-Theedle-Kishona complex, moist, 3 to 30 percent slopes | 72K | Well drained | D | Somewhat limited | Very limited |
| Shingle, moist-Badland complex, 30 to 50 percent slopes | 67K | Well drained | D | Very limited | Very limited |
| Shingle-Theedle-Kishona complex, 6 to 25 percent slopes | 52K | Well drained | D | Somewhat limited | Very limited |
| Shingle-Badland complex, 30 to 50 percent slopes | 48K | Well drained | D | Very limited | Very limited |
| Fairburn-Baux-Rock outcrop complex, 30 to 60 percent slopes | 44K | Well drained | D | Very limited | Very limited |
| Shingle-Theedle loams, moist, 45 to 75 percent slopes | 39K | Well drained | D | Very limited | Very limited |
| Worfka-Samday-Shingle complex, moist, 6 to 30 percent slopes | 30K | Well drained | D | Very limited | Very limited |
| Kishona-Zigweid-Cambria loams, moist, 6 to 9 percent slopes | 28K | Well drained | B | Somewhat limited | Somewhat limited |
| Baux-Bauxson-Kirtley complex, 3 to 60 percent slopes | 27K | Well drained | B | Very limited | Very limited |
| Kishona-Zigweid-Cambria complex, 6 to 15 percent slopes | 18K | Well drained | B | Somewhat limited | Somewhat limited |
| Shingle-Samday clay loams, moist, 3 to 55 percent slopes | 17K | Well drained | D | Very limited | Very limited |
| Jonpol-Platmak complex, 0 to 9 percent slopes | 15K | Well drained | C | Somewhat limited | Very limited |
| Bidman-Ulm complex, 0 to 6 percent slopes | 15K | Well drained | C | Somewhat limited | Very limited |
| Norbert-Reget-Savar complex, 3 to 35 percent slopes | 14K | Well drained | D | Very limited | Very limited |
| Cedak-Recluse loams, 6 to 9 percent slopes | 13K | Well drained | C | Somewhat limited | Very limited |
| Cloud Peak-Tolman complex, 10 to 75 percent slopes | 12K | Well drained | D | Very limited | Very limited |
| Shingle-Worfka-Samday complex, 6 to 30 percent slopes | 12K | Well drained | D | Very limited | Very limited |
| Cedak-Recluse loams, 9 to 15 percent slopes | 11K | Well drained | C | Somewhat limited | Very limited |
| Kishona-Zigweid-Cambria complex, moist, 3 to 6 percent slopes | 11K | Well drained | B | Somewhat limited | Somewhat limited |
| Trimad-Trivar complex, 0 to 25 percent slopes | 11K | Well drained | B | Somewhat limited | Very limited |
What This Means
Building & Foundations
About 55% of soils are rated "very limited" for dwellings with basements. Specific challenges include shallow bedrock, steep slopes. A geotechnical assessment is recommended before building.
Septic Systems
About 89% 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.