Alfalfa County, Oklahoma
The dominant drainage class is Well drained and the dominant hydrologic group is B (moderate infiltration). The most common soil order is Mollisols — grassland soils with a thick, dark, fertile topsoil rich in organic matter. 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 Alfalfa County, Oklahoma. Search your address to find the exact soil composition, drainage, and series details at your specific location.
| Soil Map Unit | Acres | Drainage | Hydro Group | Dwellings | Septic |
|---|---|---|---|---|---|
| Pond Creek silt loam, 0 to 1 percent slopes | 71K | Well drained | B | Somewhat limited | Somewhat limited |
| Grant silt loam, 1 to 3 percent slopes | 46K | Well drained | B | Somewhat limited | Somewhat limited |
| Dale silt loam, 0 to 1 percent slopes, rarely flooded | 38K | Well drained | B | Very limited | Somewhat limited |
| Pond Creek silt loam, 1 to 3 percent slopes | 20K | Well drained | B | Somewhat limited | Somewhat limited |
| Grant-Nash complex, 3 to 8 percent slopes, eroded | 20K | Well drained | B | Not limited | Somewhat limited |
| Yahola fine sandy loam, 0 to 1 percent slopes, occasionally flooded | 17K | Well drained | A | Very limited | Very limited |
| Salt flats, frequently flooded, occasionally ponded | 17K | Somewhat poorly drained | D | Very limited | Very limited |
| Reinach very fine sandy loam, 0 to 1 percent slopes, rarely flooded | 16K | Well drained | B | Very limited | Somewhat limited |
| Carwile, ponded-Devol complex, 0 to 3 percent slopes | 16K | Poorly drained | C/D | Very limited | Very limited |
| Grant silt loam, 3 to 5 percent slopes | 15K | Well drained | B | Somewhat limited | Somewhat limited |
| Gracemont fine sandy loam, saline, 0 to 1 percent slopes, frequently flooded | 15K | Somewhat poorly drained | A/D | Very limited | Very limited |
| Eda sand, 3 to 8 percent slopes | 14K | Somewhat excessively drained | A | Not limited | Very limited |
| Quinlan-Woodward complex, 5 to 30 percent slopes | 14K | Well drained | D | Very limited | Very limited |
| Lovedale fine sandy loam, 1 to 3 percent slopes | 12K | Well drained | B | Not limited | Very limited |
| Goltry-Tivoli fine sands, 5 to 12 percent slopes | 12K | Moderately well drained | A | Somewhat limited | Very limited |
| Brewer silt loam, 0 to 1 percent slopes, rarely flooded | 11K | Moderately well drained | C | Very limited | Very limited |
| Water | 11K | D | Not rated | Not rated | |
| Devol fine sandy loam, 0 to 3 percent slopes | 10K | Well drained | A | Not limited | Very limited |
| Eda sand, 0 to 3 percent slopes | 10K | Somewhat excessively drained | A | Not limited | Very limited |
| Woodward-Quinlan complex, 1 to 3 percent slopes | 10K | Well drained | C | Somewhat limited | Very limited |
Soil Orders in This Area
The USDA classifies every soil into one of 12 soil orders. Here are the dominant orders found in this survey area.
What This Means
Building & Foundations
About 36% of soils have significant building limitations, while the rest are generally suitable. Check specific sites carefully — conditions vary across the area.
Septic Systems
About 39% of soils have significant septic limitations, while others are more suitable. A perc test is essential — conditions vary across the area.
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.