This page summarizes USDA SSURGO mapped soil information for Marion County, Indiana.
Coverage measures mapped SSURGO intersection with Census land geometry. It does not mean that every parcel or point has complete soil information.
County summaries provide regional context across mapped soil units. Address lookup combines available public datasets for the Census-matched location.
| Symbol | Map Unit Name | Mapped Acres | % of Mapped Area |
|---|---|---|---|
| YclA | Crosby silt loam, fine-loamy subsoil-Urban land complex, 0 to 2 percent slopes | 39,525.64 | 15.32% |
| YbvA | Brookston silty clay loam-Urban land complex, 0 to 2 percent slopes | 22,311.95 | 8.65% |
| YmsB2 | Miami silt loam-Urban land complex, 2 to 6 percent slopes, eroded | 19,291.06 | 7.48% |
| Ua | Udorthents, cut and filled | 14,396.41 | 5.58% |
| CrA | Crosby silt loam, fine-loamy subsoil, 0 to 2 percent slopes | 14,223.6 | 5.51% |
| YctA | Crosby-Urban land-Treaty complex, fine-loamy subsoil, 0 to 2 percent slopes | 11,665.96 | 4.52% |
| YmaB | Miami-Urban land complex, 0 to 6 percent slopes | 10,178.06 | 3.95% |
| YfxA | Fox-Urban land complex, 0 to 3 percent slopes | 9,333.7 | 3.62% |
| ThrA | Treaty silty clay loam, 0 to 1 percent slopes | 9,006.79 | 3.49% |
| UcfA | Urban land-Crosby silt loam complex, fine-loamy subsoil, 0 to 2 percent slopes | 8,722.18 | 3.38% |
| MmB2 | Miami silt loam, 2 to 6 percent slopes, eroded | 7,826.61 | 3.03% |
| W | Water | 7,514.1 | 2.91% |
| Ge | Gessie silt loam, 0 to 2 percent slopes, frequently flooded, brief duration | 6,976.65 | 2.7% |
| UbaA | Urban land-Brookston complex, 0 to 2 percent slopes | 6,220.58 | 2.41% |
| UfA | Urban land-Fox loam complex, 0 to 2 percent slopes | 4,808.17 | 1.86% |
| Component | Drainage Class | Hydrologic Group | Estimated Acres | % of Mapped Area |
|---|---|---|---|---|
| Urban land | Unspecified | Unspecified | 66,050.19 | 25.61% |
| Crosby | Somewhat poorly drained | C/D | 51,896.36 | 20.12% |
| Miami | Well drained, Moderately well drained | D, C | 35,110.19 | 13.61% |
| Brookston | Poorly drained | C/D, B/D | 19,284.33 | 7.48% |
| Treaty | Poorly drained | B/D | 14,367.65 | 5.57% |
| Udorthents, Cut and filled | Well drained | Unspecified | 13,676.59 | 5.3% |
| Fox | Well drained | B | 12,750.03 | 4.94% |
| Gessie | Well drained | B | 8,282.51 | 3.21% |
| Water | Unspecified | Unspecified | 7,542.53 | 2.92% |
| Genesee | Well drained | B, A | 4,227.93 | 1.64% |
| Williamstown | Moderately well drained | C/D | 3,698.24 | 1.43% |
| Sloan | Very poorly drained | B/D | 2,828.46 | 1.1% |
| Westland | Poorly drained | B/D | 2,289.43 | 0.89% |
| Ockley | Well drained | B | 2,158.29 | 0.84% |
| Shoals | Somewhat poorly drained | B/D | 2,079.09 | 0.81% |
Hydrologic soil groups are USDA/NRCS classifications related to runoff potential under specified soil conditions. They are not a property-level flood-risk rating.