Sterling County Soil Data
Sterling County, Texas
Avg pH
7.9
Texture
Fine sandy loam
Drainage
Well drained
Organic Matter
2.7%
Hydrologic Group
B
Data Story
About Soil in Sterling County, Texas
Alkaline Inceptisols of the Plateau
Sterling County features Inceptisols, which are soils in the early stages of development, with a high pH of 7.91. This level is much more alkaline than the national median of 6.5, reflecting the region's mineral-rich geology. These soils are typical for the semi-arid transition zones of West Texas.
The Balance of Fine Sandy Loam
The soil is a fine sandy loam with 31.1% clay and 40.3% silt, creating a dense but manageable texture. The sand content is relatively low at 27.3%, which is unusual for the region but helps with moisture retention. This combination creates a soil that holds its shape well when wet.
Exceptional Organic Matter Levels
Organic matter is remarkably high at 2.71%, far exceeding the Texas average of 1.66% and the national average of 2.0%. The available water capacity is also strong at 0.141 in/in, well above the state benchmark. This makes Sterling County's soil surprisingly fertile for its arid location.
Responsive Drainage in Group B
The soil is well-drained and belongs to Hydrologic Group B, indicating a moderate infiltration rate. This suggests that the soil absorbs rainfall efficiently, reducing the risk of erosion during sudden West Texas storms. It is a favorable classification for both agricultural productivity and stable building foundations.
Thriving in Arid Zone 8a
The combination of high organic matter and Zone 8a temperatures supports resilient crops like cotton and drought-tolerant grains. Native plants like mesquite and prickly pear thrive alongside well-tended vegetable gardens that use mulch to conserve moisture. Your fertile soil is a secret weapon for gardening success in West Texas.
Soil Composition
Soil pH
Soil Series
Detailed soil series data not yet available for this county.
Hydrologic Group
Group B — Moderate Runoff
Moderately deep, moderately well-drained soils with moderate infiltration rates. Good balance of drainage and water retention.
Drainage Class
Well drained
Water is removed from the soil readily but not rapidly. Optimal for most plants and construction.
Soil Profile
Dominant texture: Fine sandy loam
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Frequently Asked Questions
What type of soil does Sterling County have?
Sterling County's soil is classified as Fine sandy loam. This indicates the relative proportions of sand, silt, and clay — 27% sand, 40% silt, and 31% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Sterling County's soil acidic or alkaline?
Sterling County's soil has a pH of 7.9, which is mildly to moderately alkaline. Sulfur amendments can lower pH if needed.
What is the drainage class for Sterling County?
Sterling County has a dominant drainage class of "Well drained." Well-drained soils allow excess water to move through quickly, reducing waterlogging risk and supporting most field and garden crops.
What crops or plants grow well in Sterling County's soil?
Based on Sterling County's Fine sandy loam texture, pH of 7.9, and Well drained, the soil is well suited for drought-tolerant crops and native grasses, row crops and vegetable gardens, most annual and perennial crops.
What USDA soil order is found in Sterling County?
Sterling County's dominant soil order is Inceptisols. Inceptisols are young soils with weak horizon development. They occur in a wide range of climates and parent materials.
Planning your lawn? View lawn care data for Sterling County on LawnByCounty.com →
Other Counties in Texas
Soil data sourced from USDA SSURGO via Soil Data Access. Data is informational only and should not be used as a substitute for on-site soil testing. Contact your local NRCS office for site-specific soil information.