Cimarron County, Oklahoma
The most common soil here is Dalhart, on about 23% of the land: a fine sand, loose sand that holds almost no water. Sherm and Conlen come next.
About 99% of the land drains well.
USDA rates 38% of the land very limited for a standard septic drain field, and 14% very limited for homes with basements. That means extra cost or special design, not that it can't be done.
Worth knowing: 3% of the land floods occasionally or more, and bedrock lies within 40 inches under 10% of it.
Soils change over short distances, so look up an address below for the soil at that exact spot and the reasons behind each rating.
The soils you're most likely standing on
The biggest named soils in Cimarron County, Oklahoma, each drawn five feet deep from its official USDA description, in its recorded colors.
Dots mark gravel; white flecks mark lime. Shares are by acres across the survey area, and each mapped patch usually mixes several of these soils.
The biggest mapped areas
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 Cimarron 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 |
|---|---|---|---|---|---|
| Sherm clay loam, 0 to 1 percent slopes | 189K | Well drained | C | Somewhat limited | Very limited |
| Dalhart loamy fine sand, 0 to 3 percent slopes | 133K | Well drained | B | Not limited | Somewhat limited |
| Dalhart fine sandy loam, 0 to 1 percent slopes | 82K | Well drained | B | Not limited | Somewhat limited |
| Gruver loam, 0 to 1 percent slopes | 80K | Well drained | C | Somewhat limited | Very limited |
| Conlen-Dalhart complex, 1 to 3 percent slopes | 71K | Well drained | B | Not limited | Somewhat limited |
| Eva-Optima complex, 3 to 5 percent slopes | 68K | Somewhat excessively drained | A | Not limited | Somewhat limited |
| Travessilla stony loam, 3 to 12 percent slopes | 58K | Well drained | D | Very limited | Very limited |
| Dalhart fine sandy loam, 1 to 3 percent slopes | 50K | Well drained | B | Not limited | Somewhat limited |
| Kim loam, 3 to 5 percent slopes | 49K | Well drained | B | Not limited | Somewhat limited |
| Conlen loam, 3 to 5 percent slopes | 49K | Well drained | B | Not limited | Somewhat limited |
| Travessilla-Rock outcrop complex, 10 to 50 percent slopes | 47K | Well drained | D | Very limited | Very limited |
| Spurlock loam, 0 to 1 percent slopes | 39K | Well drained | B | Not limited | Somewhat limited |
| Veal-Potter complex, 3 to 12 percent slopes, cool | 34K | Well drained | B | Somewhat limited | Somewhat limited |
| Conlen loam, 0 to 3 percent slopes | 33K | Well drained | B | Not limited | Somewhat limited |
| Spurlock loam, 1 to 3 percent slopes | 28K | Well drained | B | Not limited | Somewhat limited |
| Conlen fine sandy loam, 3 to 5 percent slopes | 28K | Well drained | B | Not limited | Somewhat limited |
| Dalhart fine sandy loam, 0 to 3 percent slopes, moderately eroded | 22K | Well drained | B | Not limited | Somewhat limited |
| Spur clay loam, 0 to 1 percent slopes, occasionally flooded, cool | 20K | Well drained | B | Very limited | Very limited |
| Otero loamy fine sand, 1 to 5 percent slopes | 15K | Somewhat excessively drained | A | Not limited | Not limited |
| Corlena loamy fine sand, 0 to 1 percent slopes, occasionally flooded | 15K | Well drained | A | Very 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
Most soils are generally favorable for residential construction. Standard foundations are usually viable, though site-specific evaluation is always recommended.
Septic Systems
About 38% 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.