Adams County, Indiana

Survey Area IN001 Indiana

The dominant drainage class is Somewhat poorly drained and the dominant hydrologic group is D (very slow infiltration, high runoff). The most common soil order is Alfisols — moderately leached forest soils with a clay-enriched subsoil. 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 Adams County, Indiana. Search your address to find the exact soil composition, drainage, and series details at your specific location.

Soil Map UnitAcresDrainageHydro GroupDwellingsSeptic
Pewamo silty clay, 0 to 2 percent slopes 75K Very poorly drainedC/DVery limitedVery limited
Blount silt loam, ground moraine, 0 to 2 percent slopes 44K Somewhat poorly drainedDVery limitedVery limited
Blount silt loam, ground moraine, 2 to 4 percent slopes 28K Somewhat poorly drainedDVery limitedVery limited
Blount silt loam, end moraine, 2 to 4 percent slopes 13K Somewhat poorly drainedDVery limitedVery limited
Blount silt loam, end moraine, 0 to 2 percent slopes 8K Somewhat poorly drainedDVery limitedVery limited
Glynwood silt loam, ground moraine, 2 to 6 percent slopes 6K Moderately well drainedDVery limitedVery limited
Nappanee silt loam, 0 to 3 percent slopes 6K Somewhat poorly drainedC/DVery limitedVery limited
Milford silty clay loam, 0 to 2 percent slopes 5K Poorly drainedC/DVery limitedVery limited
Glynwood silt loam, end moraine, 2 to 6 percent slopes 5K Moderately well drainedDVery limitedVery limited
Tice silty clay loam, 0 to 2 percent slopes, frequently flooded 3K Somewhat poorly drainedB/DVery limitedVery limited
St. Clair clay loam, 3 to 8 percent slopes, eroded 3K Moderately well drainedDVery limitedVery limited
Saranac silty clay loam, 0 to 2 percent slopes, frequently flooded 3K Very poorly drainedC/DVery limitedVery limited
Saranac silty clay, 0 to 2 percent slopes, frequently flooded 3K Very poorly drainedC/DVery limitedVery limited
Haskins loam, 0 to 3 percent slopes 1K Somewhat poorly drainedC/DVery limitedVery limited
Houghton muck, drained 1K Very poorly drainedA/DVery limitedVery limited
Shoals silty clay loam, 0 to 1 percent slopes, frequently flooded 1K Somewhat poorly drainedB/DVery limitedVery limited
Water 1K Not ratedNot rated
Rawson loam, 2 to 6 percent slopes 1K Moderately well drainedCSomewhat limitedVery limited
Whitaker silt loam 1K Somewhat poorly drainedB/DVery limitedVery limited
Sloan silty clay loam, 0 to 1 percent slopes, frequently flooded 1K Very poorly drainedB/DVery limitedVery 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.

Alfisols
Moderately weathered forest soils with clay-enriched subsoil. Productive for agriculture, generally good for building and septic.
Mollisols
Fertile grassland soils with thick, dark topsoil. Among the best for agriculture, building, and gardening.
Inceptisols
Young but developing soils found in mountains and river terraces. Variable properties — check drainage and bedrock depth.
Entisols
Young soils with little development — found on floodplains, dunes, and steep slopes. Properties vary widely by setting.

What This Means

Building & Foundations

About 98% of soils are rated "very limited" for dwellings with basements. Specific challenges include poor drainage in some areas, flood-prone areas. A geotechnical assessment is recommended before building.

Septic Systems

About 99% of soils are rated "very limited" for septic absorption fields. Poorly drained soils can't absorb septic effluent effectively. Engineered or alternative systems are frequently required. Always get a professional perc test before purchasing land that needs septic.

Gardening & Agriculture

Many soils hold water for extended periods. Raised beds are highly recommended to improve drainage for vegetables. Well-adapted native plants and water-loving species will do best in natural conditions.

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