Soil series profile

Perry soil series

Perry is a poorly drained soil with a clay surface, mapped on 911,415 acres in 39 counties across 3 states. Hydrologic group D.

#216 by mapped area very-fine Chromic Epiaquerts (Vertisols)

Drainage class
Poorly drained
97% of mapped acres
Hydrologic group
D
89% of mapped acres
Typical topsoil pH
5.3
strongly acidic · range 5.3–5.9
Mapped area
911k
acres in 39 counties, 3 states

Typical Perry profile

Texture and pH by depth

Typical Perry soil profile by depth 0 in 20 in 40 in 60 in 0–6 in · Ap · pH 5.3 · 60% clay Clay 6–30 in · Bssg · pH 6.2 · 70% clay Clay 30–80 in · Bkss · pH 7.3 · 70% clay Clay
Depth to scale. More strongly shaded layers hold more clay. Horizon names are the soil survey's (A = topsoil, B = subsoil, C = parent material).
Show as a table
Typical Perry horizons (representative values)
Depth Texture pH Clay Sand Organic matter
0–6 in (Ap) Clay 5.3 60% 2% 2.25%
6–30 in (Bssg) Clay 6.2 70% 2% 0.75%
30–80 in (Bkss) Clay 7.3 70% 2% 0.25%

Representative values from the most extensive Perry map unit (Perry clay, 0 to 1 percent slopes, survey area AR660). Other map units of this series vary within the series range.

Hands holding dark garden soil
Stock photo for illustration, not a sample of this soil series. Credit on the Sources & method page.

What this means

What Perry soil means for gardens, lawns and septic systems

For gardens

Typical topsoil in Perry soils is strongly acidic: pH 5.3 (most land between 5.3 and 5.9). Most vegetables and lawn grasses do best around 6.0 to 7.0, so lime is often needed; blueberries, azaleas and rhododendrons like it as it is.

Clayey topsoil covers 87% of mapped Perry acres. Clay holds water and nutrients but drains slowly and compacts if worked wet: add compost, avoid tilling soggy soil and consider raised beds. The most common surface texture is clay (78% of mapped Perry acres).

97% of mapped Perry acres is somewhat poorly to very poorly drained, so soil stays soggy for long spells after rain and in wet seasons. Raised beds, plants that tolerate wet feet, and not working the soil while wet all help.

For lawns and yards

On 89% of mapped acres, rain soaks in slowly (hydrologic groups C and D, including dual groups that are D until drained). Expect runoff and puddles after heavy rain: core-aerate compacted lawns and keep ground sloping away from foundations.

A seasonal high water table comes within 18 inches of the surface on 91% of mapped acres, often in spring. Basements, sump pumps and lawns in low spots feel it first.

For a septic system

For conventional septic absorption fields, NRCS rates 89% of the acres in mapped Perry soils very limited, 0% somewhat limited and 0% not limited (12% not rated, such as urban land, pits or water).

Where the soil is very limited (slow permeability, a high water table, flooding, shallow bedrock or steep slopes), alternative systems such as mound or sand-filter designs are common and cost more.

Flooding is mapped on 39% of the acres (17% occasional, 13% frequent).

Only a licensed site evaluation or perc test at the actual lot decides whether a system is allowed and which design.

Generated from the mapped numbers above using fixed rules, not a site visit. See how these notes are written.

Where Perry soil is found

Mapped acres

Perry is mapped in Arkansas, Louisiana and Texas.

Counties with the most mapped Perry soil
County Acres Share of county land
Chicot County, AR 109,978 28.3%
Morehouse Parish, LA 109,480 21.7%
Jefferson County, AR 104,928 18.7%
Lonoke County, AR 76,273 15.6%
Lincoln County, AR 65,297 18.2%
Ouachita Parish, LA 56,492 14.7%
Caldwell Parish, LA 53,428 15.8%
Richland Parish, LA 51,156 14.5%
Arkansas County, AR 50,949 8.1%
Ashley County, AR 43,605 7.4%
Drew County, AR 36,332 6.8%
Pulaski County, AR 31,613 6.5%
Desha County, AR 28,943 6.1%
Catahoula Parish, LA 16,269 3.6%
Faulkner County, AR 9,485 2.3%
Bowie County, TX 8,533 1.5%
Prairie County, AR 6,341 1.6%
Miller County, AR 6,079 1.5%
Perry County, AR 5,673 1.6%
Union Parish, LA 5,587 1.0%
West Carroll Parish, LA 4,672 2.0%
Little River County, AR 4,567 1.3%
Hempstead County, AR 4,474 1.0%
Natchitoches Parish, LA 4,116 0.5%
St. Landry Parish, LA 2,786 0.5%
Lafayette County, AR 2,494 0.7%
Evangeline Parish, LA 2,410 0.6%
St. Martin Parish, LA 1,870 0.4%
De Soto Parish, LA 1,854 0.3%
Red River Parish, LA 1,588 0.7%
Iberia Parish, LA 1,266 0.4%
Winn Parish, LA 1,024 0.2%
Bossier Parish, LA 657 0.1%
Rapides Parish, LA 541 0.1%
Avoyelles Parish, LA 437 0.1%
Conway County, AR 84 0.0%
Caddo Parish, LA 66 0.0%
Bienville Parish, LA 45 0.0%
Franklin Parish, LA 22 0.0%

Septic absorption fields

NRCS rating, share of Perry acres

Not limited 0%
Somewhat limited 0%
Very limited 89%
Not rated 12%
Septic tank absorption field rating across mapped Perry acres. Scale 0 to 100% of mapped land.
Show as a table
Septic tank absorption field rating across mapped Perry acres.
CategoryShare of acres
Not limited0.0%
Somewhat limited0.0%
Very limited88.5%
Not rated11.5%

Drainage, water table and flooding

Share of Perry acres

Depth to seasonal high water table
About 1.0 feet (12 in) (median where reported); within 18 inches on 91% of acres.
Flooding
Mapped as flooding on 39% of acres (17% occasional, 13% frequent).
Slope
Typically 0–0% (median 0%).
Topsoil organic matter
Median 2.2%.

Drainage class

Excessively drained 0%
Somewhat excessively drained 0%
Well drained 0%
Moderately well drained 0%
Somewhat poorly drained 0%
Poorly drained 97%
Very poorly drained 0%
Not rated 3%
Drainage class across mapped Perry acres. Scale 0 to 100% of mapped land.
Show as a table
Drainage class across mapped Perry acres.
CategoryShare of acres
Excessively drained0.0%
Somewhat excessively drained0.0%
Well drained0.0%
Moderately well drained0.0%
Somewhat poorly drained0.0%
Poorly drained97.1%
Very poorly drained0.0%
Not rated2.9%

Hydrologic soil group

A: fast infiltration (mostly sandy or gravelly) 0%
B: moderate infiltration 0%
C: slow infiltration <1%
D: very slow infiltration (clayey, shallow or wet) 89%
A/D: D as is, A if drained 0%
B/D: D as is, B if drained 0%
C/D: D as is, C if drained 0%
Not rated 11%
Hydrologic soil group across mapped Perry acres. Scale 0 to 100% of mapped land.
Show as a table
Hydrologic soil group across mapped Perry acres.
CategoryShare of acres
A: fast infiltration (mostly sandy or gravelly)0.0%
B: moderate infiltration0.0%
C: slow infiltration0.3%
D: very slow infiltration (clayey, shallow or wet)89.0%
A/D: D as is, A if drained0.0%
B/D: D as is, B if drained0.0%
C/D: D as is, C if drained0.0%
Not rated10.6%

Sources & data dates

Source
USDA NRCS Soil Survey Geographic Database (SSURGO), queried through Soil Data Access. Public domain.
Data date
SSURGO as published on November 3, 2026 (most recent survey area update October 26, 2026). NRCS refreshes SSURGO each October.
Scope
All map unit components named Perry (component kind "Series") in SSURGO: 911,415 acres.
Method
Shares are by mapped acres of Perry components. The profile comes from the single largest Perry component. Full methodology.

Independent reference site. No government affiliation or endorsement.

Full narrative description: USDA Official Soil Series Description for Perry.