St. Mary's County Soil Data
St. Mary's County, Maryland
Avg pH
5.3
Texture
Gravelly silt loam
Drainage
Moderately well drained
Organic Matter
3.0%
Hydrologic Group
B
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Soil Composition
Soil pH
Soil Series
Detailed soil series data not yet available for this county.
Hydrologic Group
Group B — Moderate Runoff
Moderately deep, moderately well-drained soils with moderate infiltration rates. Good balance of drainage and water retention.
Drainage Class
Moderately well drained
Water is removed somewhat slowly. May have a slowly permeable layer or seasonal water table.
Soil Profile
Dominant texture: Gravelly silt loam
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
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Soil data sourced from USDA SSURGO via Soil Data Access. Data is informational only and should not be used as a substitute for on-site soil testing. Contact your local NRCS office for site-specific soil information.