Soil survey area

Stafford and King George Counties, Virginia

Survey Area VA179• Virginia
The short version

The most common soil here is Sassafras, on about 13% of the land: a sandy loam, gritty and crumbly. Caroline and Galestown come next.

About 67% of the land drains well, and 17% stays wet for long stretches; groundwater comes within two feet of the surface under 17% of it.

USDA rates 76% of the land very limited for a standard septic drain field, and 51% very limited for homes with basements. That means extra cost or special design, not that it can't be done.

Worth knowing: 12% of the land floods occasionally or more, and bedrock lies within 40 inches under 3% of it.

Soils change over short distances, so look up an address below for the soil at that exact spot and the reasons behind each rating.

The ground underfoot

The soils you're most likely standing on

The biggest named soils in Stafford and King George Counties, Virginia, each drawn five feet deep from its official USDA description, in its recorded colors.

Sassafras
13% of the area
Sandy loam topsoil · well drained
Gritty and crumbly. Drains fast and warms early in spring.
Ultisols
Caroline
6% of the area
Fine sandy loam topsoil · well drained
Gritty and crumbly. Drains fast and warms early in spring.
Ultisols
Galestown
4% of the area
Loamy sand topsoil · somewhat excessively drained
Gritty and loose. Water runs straight through it.
Ultisols
Nason
4% of the area
Silt loam topsoil · well drained
Smooth, like flour. Fertile and holds water well.
Ultisols
Bourne
3% of the area
Fine sandy loam topsoil · moderately well drained
Gritty and crumbly. Drains fast and warms early in spring.
Ultisols
Appling
3% of the area
Sandy loam topsoil · well drained
Gritty and crumbly. Drains fast and warms early in spring.
Ultisols

Dots mark gravel; white flecks mark lime. Shares are by acres across the survey area, and each mapped patch usually mixes several of these soils.

The biggest mapped areas

The dominant drainage class is Well drained and the dominant hydrologic group is B (moderate infiltration). The most common soil order is Ultisols — strongly weathered soils with clay-enriched subsoils, common in warm humid climates. 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 Stafford and King George Counties, Virginia. Search your address to find the exact soil composition, drainage, and series details at your specific location.

Soil Map UnitAcresDrainageHydro GroupDwellingsSeptic
Alluvial land, wet 15K Poorly drainedVery limitedVery limited
Galestown-Sassafras complex, 15 to 30 percent slopes 14K Somewhat excessively drainedAVery limitedVery limited
Sassafras fine sandy loam, 2 to 6 percent slopes 14K Well drainedBNot limitedVery limited
Caroline-Sassafras complex, 15 to 30 percent slopes 12K Well drainedCVery limitedVery limited
Galestown-Sassafras complex, 6 to 15 percent slopes 8K Somewhat excessively drainedASomewhat limitedVery limited
Sassafras fine sandy loam, 6 to 10 percent slopes, eroded 8K Well drainedBNot limitedVery limited
Nason silt loam, 6 to 15 percent slopes, eroded 7K Well drainedBSomewhat limitedSomewhat limited
Bourne fine sandy loam, 2 to 6 percent slopes 6K Moderately well drainedCVery limitedVery limited
Caroline fine sandy loam, 2 to 6 percent slopes, eroded 6K Well drainedCSomewhat limitedVery limited
Appling fine sandy loam, 6 to 15 percent slopes, eroded 6K Well drainedBSomewhat limitedSomewhat limited
Sandy and clayey land, steep, Sassafras and Caroline materials 6K Well drainedVery limitedVery limited
Nason silt loam, 2 to 6 percent slopes 6K Well drainedBSomewhat limitedSomewhat limited
Wehadkee very fine sandy loam, 0 to 2 percent slopes 5K Poorly drainedB/DVery limitedVery limited
Aura-Galestown-Sassafras complex, 15 to 30 percent slopes 5K Well drainedAVery limitedVery limited
Bladen loam, 0 to 2 percent slopes 5K Poorly drainedC/DVery limitedVery limited
Sassafras fine sandy loam, 15 to 35 percent slopes, eroded 4K Well drainedBVery limitedVery limited
Caroline fine sandy loam, 6 to 10 percent slopes, eroded 4K Well drainedCSomewhat limitedVery limited
Tidal marsh 4K Very poorly drainedVery limitedVery limited
Kempsville fine sandy loam, gravelly substratum, 2 to 6 percent slopes 4K Well drainedANot limitedSomewhat limited
Elioak silt loam, 6 to 15 percent slopes, eroded 4K Well drainedBSomewhat limitedSomewhat 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.

Ultisols
Strongly weathered clay soils of the Southeast. Acidic and naturally low in nutrients. Clay subsoil can slow drainage.
Alfisols
Moderately weathered forest soils with clay-enriched subsoil. Productive for agriculture, generally good for building and septic.

What This Means

Building & Foundations

About 51% of soils are rated "very limited" for dwellings with basements. Specific challenges include steep slopes, poor drainage in some areas, flood-prone areas. A geotechnical assessment is recommended before building.

Septic Systems

About 76% of soils are rated "very limited" for septic absorption fields. Despite good drainage overall, limitations may stem from shallow bedrock, steep slopes, or seasonal conditions. Engineered or alternative systems are frequently required. Always get a professional perc test before purchasing land that needs septic.

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.

Look Up a Specific Address

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