Soil at the center of Denver, CO
The USDA soil survey maps the point near 39.7392, -104.9903 in Denver as Urban land-Milehigh complex, 0 to 3 percent slopes (map unit UbA, Denver County Area, Colorado). The dominant component is Milehigh, a well drained soil.
| Component | Share of unit | Drainage class | Hydrologic group |
|---|---|---|---|
| Milehigh | 15% | Well drained | B |
| Elyria | 7% | Well drained | C |
| Deacon | 3% | Moderately well drained | C |
| Altitude | 3% | Well drained | C |
Source: USDA NRCS SSURGO via Soil Data Access, Denver County Area, Colorado (CO031), survey data version dated 8/31/2026.
NRCS septic tank absorption field rating for Milehigh: Very limited. Source: USDA NRCS SSURGO via Soil Data Access, Denver County Area, Colorado (CO031), survey data version dated 8/31/2026.
This is the soil at one reference point, not your parcel. Soils change within a block. Enter a street address to get the map unit, layers, shrink-swell, water table and NRCS ratings for that exact point.