Bonneville County Area, Idaho
The dominant drainage class is Well drained and the dominant hydrologic group is B (moderate infiltration). 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 Bonneville County Area, Idaho.
| Soil Map Unit | Acres | Drainage | Hydro Group | Dwellings | Septic |
|---|---|---|---|---|---|
| Ririe silt loam, 4 to 12 percent slopes | 78K | Well drained | B | Not limited | Somewhat limited |
| Pancheri silt loam, 2 to 4 percent slopes | 68K | Well drained | B | Not limited | Somewhat limited |
| Lava flows | 65K | Not rated | Not rated | ||
| Torriorthents-Rock outcrop complex, very steep | 47K | Well drained | C | Very limited | Very limited |
| Bannock loam | 29K | Well drained | B | Not limited | Very limited |
| Pancheri silt loam, 4 to 8 percent slopes | 28K | Well drained | B | Not limited | Somewhat limited |
| Cryoborolls-Rock outcrop complex, very steep | 27K | Well drained | C | Very limited | Very limited |
| Pancheri silt loam, 0 to 2 percent slopes | 26K | Well drained | B | Not limited | Somewhat limited |
| Paulson-Nielsen complex, 5 to 35 percent slopes | 25K | Well drained | C | Very limited | Very limited |
| Tetonia silt loam, 4 to 12 percent slopes | 24K | Well drained | B | Not limited | Somewhat limited |
| Paul silty clay loam | 24K | Well drained | B | Very limited | Very limited |
| Ririe silt loam, 12 to 20 percent slopes | 18K | Well drained | B | Very limited | Very limited |
| Dranyon silt loam, 4 to 45 percent slope, extremely stony | 15K | Well drained | C | Very limited | Very limited |
| Pancheri-Rock outcrop complex, 2 to 25 percent slopes | 15K | Well drained | B | Somewhat limited | Somewhat limited |
| Paesl silty clay loam | 12K | Well drained | B | Very limited | Very limited |
| Polatis-Rock outcrop complex, 2 to 25 percent slopes | 12K | Well drained | C | Very limited | Very limited |
| Potell silt loam, 4 to 12 percent slopes | 12K | Well drained | B | Not limited | Somewhat limited |
| Rin silt loam, 12 to 45 percent slopes | 9K | Well drained | B | Very limited | Very limited |
| Rin silt loam, 4 to 12 percent slopes | 8K | Well drained | B | Not limited | Somewhat limited |
| Packham gravelly loam | 8K | Well drained | B | Not limited | Very limited |
What This Means
Building & Foundations
About 34% of soils have significant building limitations, while the rest are generally suitable. Check specific sites carefully — conditions vary across the area.
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
Well-drained soils on sloped terrain — good for most plants but watch for erosion. Terracing, contour planting, and mulching help retain moisture and topsoil. Drip irrigation is more effective than sprinklers on slopes.