HomeSoil seriesSacul
Sacul soil series
Sacul soils cover 2,157,670 mapped acres, mostly in Louisiana, Arkansas and Texas. USDA rates shrink-swell a limit for houses without basements on 73% of that land, and a shallow water table a limit for basements on 93%.
It is the leading soil series by area in 16 of the counties and cities on this site, including Jackson Parish, LA; Winn Parish, LA; Union County, AR.
SSURGO survey versions to August 5, 2026 · series description revised 2015-09
of its land: shrink-swell limits houses without basements
of its land: a shallow water table limits basements
median highest linear extensibility (6% and up is high)
median highest clay content in the top 150 cm
USDA's description
The Sacul series consists of very deep, moderately well drained, slowly permeable soils that formed in acid, loamy and clayey marine sediments. These soils are on uplands of the Western and Southern Coastal Plains; MLRAs 133A and 133B. Near the type location, the average annual air temperature is about 63 degrees F and the average annual precipitation is about 50 inches. Slopes are dominantly 2 to 25 percent but range from 1 to 40 percent.
Source: USDA NRCS series description (OSD) for Sacul, revised 2015-09. Read it.
Engineering properties
| Mapped area (SSURGO) | 2,157,670 acres |
| Shrink-swell limits houses without basements | 72.5% |
| Shallow water table limits basements | 92.9% |
| Very limited for septic absorption fields | 93.8% |
| Most common drainage class | Moderately well drained |
| Most common hydrologic soil group | D |
| Taxonomic class | Fine, mixed, active, thermic Aquic Hapludults |
| Type location | Ouachita County, Arkansas |
Where Sacul is mapped
| State | Mapped acres |
|---|---|
| Louisiana | 995,559 |
| Arkansas | 863,944 |
| Texas | 292,848 |
| Alabama | 5,318 |
Places where Sacul leads
Counties and cities where Sacul covers more mapped land than any other series.
| Place | Share of mapped land |
|---|---|
| Jackson Parish, LA | 36% |
| Winn Parish, LA | 29% |
| Hallsville, TX | 27% |
| Union County, AR | 22% |
| Bienville Parish, LA | 19% |
| Sabine Parish, LA | 18% |
| Columbia County, AR | 17% |
| Grant County, AR | 17% |
| Nevada County, AR | 17% |
| Miller County, AR | 16% |
| Sevier County, AR | 15% |
| Natchitoches Parish, LA | 14% |
| Hempstead County, AR | 14% |
| Cherokee County, TX | 14% |
| Clark County, AR | 9% |
| Hot Spring County, AR | 9% |
Other places where Sacul is a main soil
Counties and cities where Sacul is among the six soil series covering the most mapped land, but not the first. Share of the place's mapped land.
Counties
- Lincoln Parish, LA 19%
- Claiborne Parish, LA 18%
- Caldwell Parish, LA 12%
- Dallas County, AR 11%
- Howard County, AR 10%
- Ouachita County, AR 9%
- Webster Parish, LA 9%
- Union Parish, LA 9%
- Bossier Parish, LA 8%
- Nacogdoches County, TX 6%
- Anderson County, TX 5%
- Calhoun County, AR 3%
Texas and Ohio cities
- Wells, TX 26%
- New Summerfield, TX 14%
- Elkhart, TX 12%
- Wake Village, TX 11%
- Cushing, TX 11%
- Easton, TX 10%
- Frankston, TX 10%
- Nash, TX 9%
- Lakeport, TX 8%
- Appleby, TX 8%
- Broaddus, TX 7%
- Kilgore, TX 6%
- Longview, TX 6%
- Huntington, TX 6%
- Latexo, TX 5%
- Gilmer, TX 5%
- Texarkana, TX 5%
- Reklaw, TX 5%
- Marshall, TX 5%
- Union Grove, TX 4%
- Troup, TX 4%
- Beckville, TX 3%
- White Oak, TX 3%
- Lone Star, TX 2%
Sources
Shares and properties: USDA NRCS SSURGO via Soil Data Access, weighted by each component's share of its map units. Description: the USDA NRCS series description. How we count.