Soil survey area

Chattahoochee and Marion Counties, Georgia

Survey Area GA620• Georgia
The short version

The most common soil here is Troup, on about 28% of the land: a fine sand, loose sand that holds almost no water. Nankin and Ailey come next.

About 89% of the land drains well, and 7% stays wet for long stretches; groundwater comes within two feet of the surface under 7% of it.

USDA rates 61% of the land very limited for a standard septic drain field, and 39% very limited for homes with basements. That means extra cost or special design, not that it can't be done.

Worth knowing: 10% of the land floods occasionally or more.

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 Chattahoochee and Marion Counties, Georgia, each drawn five feet deep from its official USDA description, in its recorded colors.

Troup
28% of the area
Fine sand topsoil · somewhat excessively drained
Loose sand that holds almost no water.
Ultisols
Nankin
18% of the area
Sandy loam topsoil · well drained
Gritty and crumbly. Drains fast and warms early in spring.
Ultisols
Ailey
10% of the area
Loamy sand topsoil · well drained
Gritty and loose. Water runs straight through it.
Ultisols
Cowarts
9% of the area
Fine sandy loam topsoil · well drained
Gritty and crumbly. Drains fast and warms early in spring.
Ultisols
Lakeland
8% of the area
Sand topsoil · excessively drained
Loose sand that holds almost no water.
Entisols
Bibb
7% of the area
Sandy loam topsoil · poorly drained
Gritty and crumbly. Drains fast and warms early in spring.
Entisols

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 C (slow infiltration, moderate runoff). 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 Chattahoochee and Marion Counties, Georgia. Search your address to find the exact soil composition, drainage, and series details at your specific location.

Soil Map UnitAcresDrainageHydro GroupDwellingsSeptic
Troup loamy sand, 5 to 12 percent slopes 49K Somewhat excessively drainedASomewhat limitedSomewhat limited
Troup loamy sand, 2 to 5 percent slopes 43K Somewhat excessively drainedANot limitedSomewhat limited
Cowarts and Ailey soils, 12 to 25 percent slopes 34K Well drainedCVery limitedVery limited
Bibb sandy loam, frequently flooded 25K Poorly drainedB/DVery limitedVery limited
Lakeland sand, 0 to 5 percent slopes 22K Excessively drainedANot limitedVery limited
Nankin sandy clay loam, 12 to 25 percent slopes, severely eroded 19K Well drainedCVery limitedVery limited
Nankin sandy loam, 5 to 12 percent slopes 19K Well drainedCSomewhat limitedVery limited
Orangeburg loamy sand, 2 to 5 percent slopes 12K Well drainedBNot limitedSomewhat limited
Orangeburg loamy sand, 5 to 8 percent slopes 11K Well drainedBNot limitedSomewhat limited
Vaucluse and Ailey soils, 12 to 25 percent slopes 10K Well drainedCVery limitedVery limited
Iuka sandy loam, occasionally flooded 9K Moderately well drainedCVery limitedVery limited
Cowarts and Ailey soils, 5 to 12 percent slopes 9K Well drainedCSomewhat limitedSomewhat limited
Nankin sandy clay loam, 18 to 25 percent slopes, severely eroded 9K Well drainedCVery limitedVery limited
Nankin sandy clay loam, 12 to 18 percent slopes, severely eroded 8K Well drainedCVery limitedVery limited
Nankin sandy clay loam, 5 to 12 percent slopes, severely eroded 8K Well drainedCSomewhat limitedVery limited
Lakeland sand, 5 to 12 percent slopes 7K Excessively drainedASomewhat limitedVery limited
Cowarts and Ailey soils, 12 to 18 percent slopes 7K Well drainedCVery limitedVery limited
Ailey loamy coarse sand, 5 to 8 percent slopes 6K Well drainedCNot limitedVery limited
Lucy loamy sand, 0 to 5 percent slopes 6K Well drainedBNot limitedSomewhat limited
Cowarts and Ailey soils, 18 to 25 percent slopes 5K Well drainedCVery 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.

Ultisols
Strongly weathered clay soils of the Southeast. Acidic and naturally low in nutrients. Clay subsoil can slow drainage.
Entisols
Young soils with little development — found on floodplains, dunes, and steep slopes. Properties vary widely by setting.

What This Means

Building & Foundations

About 39% of soils have significant building limitations, while the rest are generally suitable. Check specific sites carefully — conditions vary across the area.

Septic Systems

About 61% 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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