Presidio County Soil Data
Presidio County, Texas
Avg pH
7.3
Texture
Loam
Drainage
N/A
Organic Matter
1.6%
Hydrologic Group
D
Data Story
About Soil in Presidio County, Texas
Alkaline desert soils of the West
Presidio County presents an alkaline soil profile with a pH of 7.28. This level is notably higher than the national median of 6.5, reflecting the arid conditions of the High Desert.
Gritty textures with high sand
The soil is predominantly sand at 43.3%, mixed with 27.7% silt and 21.3% clay. This high sand content means the soil feels gritty and may require organic amendments to help it hold onto nutrients.
Managing water in a dry climate
The organic matter content is 1.58%, slightly trailing the Texas average of 1.66%. An available water capacity of 0.095 in/in is below the state average, making efficient irrigation vital for any local grower.
High runoff potential during storms
Falling into Hydrologic Group D, this soil has a high runoff potential when saturated. This can lead to flash flooding and erosion during intense desert rain events, requiring careful land management.
Drought-tolerant beauty in Zone 8a
Located in Zone 8a, this county is the perfect home for agave, yucca, and other heat-hardy succulents. Gardeners should focus on native species that thrive in alkaline, well-aerated desert ground.
Soil Composition
Soil pH
Soil Series
Detailed soil series data not yet available for this county.
Hydrologic Group
Group D — High Runoff
Clay soils with very slow infiltration rates. Highest runoff potential. These soils have a permanent high water table or are shallow over impervious material.
Drainage Class
Drainage class data not available.
Soil Profile
Dominant texture: Loam
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Frequently Asked Questions
What type of soil does Presidio County have?
Presidio County's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 43% sand, 28% silt, and 21% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Presidio County's soil acidic or alkaline?
Presidio County's soil has a pH of 7.3, which is near neutral. This range is ideal for most garden plants and field crops.
What is the drainage class for Presidio County?
Drainage class data is not currently available for Presidio County.
What crops or plants grow well in Presidio County's soil?
Based on Presidio County's Loam texture, pH of 7.3, and drainage class, the soil is well suited for drought-tolerant crops and native grasses, row crops and vegetable gardens.
What USDA soil order is found in Presidio County?
The dominant USDA soil order for Presidio County is not currently available in our dataset.
Planning your lawn? View lawn care data for Presidio 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.