Soil survey area

Monroe County, Arkansas

Survey Area AR095• Arkansas
The short version

The most common soil here is Sharkey, on about 18% of the land: a clay, sticky when wet and rock-hard when dry. Calhoun and Foley come next.

About 11% of the land drains well, and 79% stays wet for long stretches; groundwater comes within two feet of the surface under 76% of it.

USDA rates 97% of the land very limited for a standard septic drain field, and 84% very limited for homes with basements. That means extra cost or special design, not that it can't be done.

Worth knowing: 32% 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 Monroe County, Arkansas, each drawn five feet deep from its official USDA description, in its recorded colors.

Sharkey
18% of the area
Clay topsoil · poorly drained
Sticky when wet and rock-hard when dry. Drains slowly.
Vertisols
Calhoun
9% of the area
Silt loam topsoil · poorly drained
Smooth, like flour. Fertile and holds water well.
Alfisols
Foley
8% of the area
Silt loam topsoil · poorly drained
Smooth, like flour. Fertile and holds water well.
Alfisols
Jackport
7% of the area
Silty clay loam topsoil · poorly drained
Smooth and slightly sticky. Holds a lot of water.
Vertisols
Dubbs
7% of the area
Silt loam topsoil · well drained
Smooth, like flour. Fertile and holds water well.
Alfisols
Commerce
6% of the area
Silt loam topsoil · somewhat poorly drained
Smooth, like flour. Fertile and holds water well.
Inceptisols

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 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 Monroe County, Arkansas. Search your address to find the exact soil composition, drainage, and series details at your specific location.

Soil Map UnitAcresDrainageHydro GroupDwellingsSeptic
Foley-Calhoun-Bonn complex 90K Poorly drainedDVery limitedVery limited
Sharkey soils, 0 to 1 percent slopes, frequently flooded 78K Poorly drainedDVery limitedVery limited
Jackport silty clay loam, 0 to 1 percent slopes 33K Poorly drainedDVery limitedVery limited
Commerce soils, 0 to 1 percent slopes, frequently flooded 28K Somewhat poorly drainedC/DVery limitedVery limited
Dubbs silt loam, 0 to 1 percent slopes 24K Well drainedBNot limitedVery limited
Mhoon soils, frequently flooded 16K Poorly drainedC/DVery limitedVery limited
Lafe-Bonn complex 16K Somewhat poorly drainedDVery limitedVery limited
Grenada silt loam, 1 to 3 percent slopes 14K Moderately well drainedCVery limitedVery limited
Calhoun silt loam, 0 to 1 percent slopes 12K Poorly drainedC/DVery limitedVery limited
Water 10K Not ratedNot rated
Bosket fine sandy loam, gently undulating 8K Well drainedBNot limitedVery limited
Dubbs silt loam, 0 to 3 percent slopes 7K Well drainedBNot limitedVery limited
Grenada silt loam, 3 to 8 percent slopes 7K Moderately well drainedCVery limitedVery limited
Dundee silt loam, 0 to 1 percent slopes 6K Somewhat poorly drainedCSomewhat limitedVery limited
Amagon silt loam, 0 to 1 percent slopes 6K Poorly drainedC/DVery limitedVery limited
Tichnor soils, frequently flooded 6K Poorly drainedC/DVery limitedVery limited
Dewitt silt loam, 0 to 1 percent slopes 6K Poorly drainedC/DVery limitedVery limited
Grenada silt loam, 0 to 1 percent slopes 5K Moderately well drainedCVery limitedVery limited
Grubbs silt loam 4K Somewhat poorly drainedDVery limitedVery limited
Bosket fine sandy loam, 0 to 1 percent slopes 4K Well drainedBNot 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.
Vertisols
High-clay soils that shrink and swell dramatically. Fertile but challenging for foundations and septic systems.
Entisols
Young soils with little development — found on floodplains, dunes, and steep slopes. Properties vary widely by setting.

What This Means

Building & Foundations

About 84% 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 97% 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.

Look Up a Specific Address

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