Weld County, Colorado, Southern Part
The dominant drainage class is Well drained and the dominant hydrologic group is A (high infiltration, low 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 Weld County, Colorado, Southern Part.
| Soil Map Unit | Acres | Drainage | Hydro Group | Dwellings | Septic |
|---|---|---|---|---|---|
| Valent sand, 3 to 9 percent slopes | 177K | Excessively drained | A | Not limited | Very limited |
| Vona loamy sand, 0 to 3 percent slopes | 67K | Well drained | A | Not limited | Not limited |
| Valent sand, 0 to 3 percent slopes | 65K | Excessively drained | A | Not limited | Very limited |
| Weld loam, 1 to 3 percent slopes | 60K | Well drained | C | Not limited | Somewhat limited |
| Olney fine sandy loam, 1 to 3 percent slopes | 57K | Well drained | B | Not limited | Somewhat limited |
| Kim loam, 1 to 3 percent slopes | 42K | Well drained | A | Not limited | Not limited |
| Osgood sand, 0 to 3 percent slopes | 38K | Well drained | A | Not limited | Not limited |
| Aquolls and Aquents, gravelly substratum | 33K | Poorly drained | D | Very limited | Very limited |
| Otero sandy loam, 1 to 3 percent slopes | 31K | Well drained | A | Not limited | Not limited |
| Vona loamy sand, 5 to 9 percent slopes | 31K | Well drained | A | Not limited | Not limited |
| Wiley-Colby complex, 1 to 3 percent slopes | 26K | Well drained | B | Somewhat limited | Somewhat limited |
| Colby-Adena loams, 3 to 9 percent slopes | 21K | Well drained | B | Not limited | Somewhat limited |
| Aquolls and Aquepts, flooded | 21K | Poorly drained | D | Very limited | Very limited |
| Water | 21K | Not rated | Not rated | ||
| Nunn clay loam, 0 to 1 percent slopes | 20K | Well drained | C | Somewhat limited | Very limited |
| Altvan loam, 0 to 1 percent slopes | 20K | Well drained | B | Not limited | Somewhat limited |
| Olney loamy sand, 1 to 3 percent slopes | 19K | Well drained | B | Not limited | Somewhat limited |
| Nunn clay loam, 1 to 3 percent slopes | 19K | Well drained | C | Somewhat limited | Very limited |
| Vona loamy sand, 3 to 5 percent slopes | 19K | Well drained | A | Not limited | Not limited |
| Colby loam, 1 to 3 percent slopes | 19K | Well drained | B | Not limited | Somewhat limited |
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 41% 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.