Soil series profile
Wymore soil series
Wymore is a moderately well drained soil with a silty clay loam surface, mapped on 1,203,417 acres in 36 counties across 2 states. Hydrologic group D.
- Drainage class
- Moderately well drained 100% of mapped acres
- Hydrologic group
- D >99% of mapped acres
- Typical topsoil pH
- 6.0 moderately acidic · range 6.0–6.1
- Mapped area
- 1.2M acres in 36 counties, 2 states
Typical Wymore profile
Texture and pH by depth
Show as a table
| Depth | Texture | pH | Clay | Sand | Organic matter |
|---|---|---|---|---|---|
| 0–6 in (Ap) | Silty clay loam | 6.0 | 35% | 4% | 3% |
| 6–11 in (BA) | Silty clay loam | 6.0 | 38% | 3% | 2.5% |
| 11–18 in (Bt1) | Silty clay | 6.4 | 46% | 2% | 1% |
| 18–45 in (Bt2) | Silty clay loam | 6.9 | 39% | 2% | 0.5% |
| 45–53 in (BC) | Silty clay loam | 7.3 | 36% | 2% | 0.25% |
| 53–79 in (C) | Silty clay loam | 7.5 | 33% | 2% | 0.25% |
What this means
What Wymore soil means for gardens, lawns and septic systems
For gardens
Typical topsoil in Wymore soils is moderately acidic: pH 6.0 (most land between 6.0 and 6.1). Many vegetables grow well here, and some gardens benefit from a little lime. Test before adding any.
Loamy topsoil (loam, silt loam and similar) covers 89% of mapped Wymore acres: generally the easiest soil to garden, holding moisture without staying waterlogged. The most common surface texture is silty clay loam (89% of mapped Wymore acres).
100% of mapped Wymore acres is moderately well to excessively drained, which suits most garden plants.
For lawns and yards
On 100% 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.
For a septic system
For conventional septic absorption fields, NRCS rates 100% of the acres in mapped Wymore soils very limited, 0% somewhat limited and 0% not limited.
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.
Only a licensed site evaluation or perc test at the actual lot decides whether a system is allowed and which design.
Where Wymore soil is found
Mapped acres
Wymore is mapped in Nebraska and Kansas.
| County | Acres | Share of county land |
|---|---|---|
| Marshall County, KS | 185,161 | 32.1% |
| Gage County, NE | 184,406 | 33.8% |
| Otoe County, NE | 116,422 | 29.8% |
| Brown County, KS | 111,351 | 30.5% |
| Lancaster County, NE | 105,762 | 19.7% |
| Richardson County, NE | 63,475 | 18.0% |
| Johnson County, NE | 62,121 | 25.9% |
| Riley County, KS | 60,460 | 15.5% |
| Nemaha County, KS | 58,648 | 12.8% |
| Pawnee County, NE | 52,540 | 19.1% |
| Nemaha County, NE | 43,243 | 16.5% |
| Pottawatomie County, KS | 36,630 | 6.8% |
| Jackson County, KS | 32,212 | 7.7% |
| Atchison County, KS | 31,983 | 11.6% |
| Cass County, NE | 22,090 | 6.2% |
| Wabaunsee County, KS | 7,820 | 1.5% |
| Jefferson County, NE | 6,937 | 1.9% |
| Washington County, KS | 5,262 | 0.9% |
| Jefferson County, KS | 4,760 | 1.4% |
| Seward County, NE | 2,995 | 0.8% |
| Saline County, NE | 2,303 | 0.6% |
| Doniphan County, KS | 2,082 | 0.8% |
| Shawnee County, KS | 1,714 | 0.5% |
| Butler County, NE | 989 | 0.3% |
| Leavenworth County, KS | 817 | 0.3% |
| Johnson County, KS | 340 | 0.1% |
| Douglas County, KS | 309 | 0.1% |
| Butler County, KS | 200 | 0.0% |
| Saunders County, NE | 107 | 0.0% |
| Wyandotte County, KS | 89 | 0.1% |
| Clay County, KS | 80 | 0.0% |
| Morris County, KS | 48 | 0.0% |
| Chase County, KS | 39 | 0.0% |
| Sedgwick County, KS | 17 | 0.0% |
| Harvey County, KS | 4 | 0.0% |
| Lyon County, KS | 0 | 0.0% |
Septic absorption fields
NRCS rating, share of Wymore acres
Show as a table
| Category | Share of acres |
|---|---|
| Not limited | 0.0% |
| Somewhat limited | 0.0% |
| Very limited | 100.0% |
Drainage, water table and flooding
Share of Wymore acres
- Depth to seasonal high water table
- About 2.0 feet (24 in) (median where reported); within 18 inches on <1% of acres.
- Flooding
- Not mapped as flooding on most acres.
- Slope
- Typically 2–5% (median 4%).
- Topsoil organic matter
- Median 3%.
Drainage class
Show as a table
| Category | Share of acres |
|---|---|
| Excessively drained | 0.0% |
| Somewhat excessively drained | 0.0% |
| Well drained | 0.0% |
| Moderately well drained | 100.0% |
| Somewhat poorly drained | 0.0% |
| Poorly drained | 0.0% |
| Very poorly drained | 0.0% |
Hydrologic soil group
Show as a table
| Category | Share of acres |
|---|---|
| A: fast infiltration (mostly sandy or gravelly) | 0.0% |
| B: moderate infiltration | 0.0% |
| C: slow infiltration | 0.0% |
| D: very slow infiltration (clayey, shallow or wet) | 99.9% |
| A/D: D as is, A if drained | 0.0% |
| B/D: D as is, B if drained | 0.0% |
| C/D: D as is, C if drained | 0.1% |
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 Wymore (component kind "Series") in SSURGO: 1,203,417 acres.
- Method
- Shares are by mapped acres of Wymore components. The profile comes from the single largest Wymore component. Full methodology.