Crawford County Soil Data
Crawford County, Ohio
Avg pH
6.0
Texture
Silt loam
Drainage
Moderately well drained
Organic Matter
5.3%
Hydrologic Group
D
Data Story
About Soil in Crawford County, Ohio
Silt Loam Alfisols of Crawford County
Crawford’s silt loam soils belong to the Alfisols order and feature a pH of 5.99. This is slightly more acidic than the national median of 6.5 but sits right at the Ohio state average.
A Balanced Silt-Heavy Mix
The ground consists of 51.5% silt, 24.5% sand, and 20.8% clay. This balanced mix ensures the soil is easy to work while retaining enough clay to hold onto vital nutrients for crops.
Superior Organic Matter and Capacity
With 5.26% organic matter, the county exceeds both the state average of 4.85% and the national average of 2.0%. The available water capacity of 0.203 in/in is also higher than the state mean, indicating excellent growing potential.
Managing Slow Water Infiltration
Classified as moderately well drained, these soils fall into hydrologic group D. This suggests slow infiltration rates, meaning farmers and builders should plan for managed runoff during heavy rains.
Hardy Crops in Zone 6a
Crawford County is in hardiness zone 6a, where the rich silt loam supports robust corn and soybean yields. Gardeners can take advantage of the high water capacity to grow a wide variety of cool-season vegetables.
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
Moderately well drained
Water is removed somewhat slowly. May have a slowly permeable layer or seasonal water table.
Soil Profile
Dominant texture: Silt loam
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Frequently Asked Questions
What type of soil does Crawford County have?
Crawford County's soil is classified as Silt loam. This indicates the relative proportions of sand, silt, and clay — 25% sand, 51% silt, and 21% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Crawford County's soil acidic or alkaline?
Crawford County's soil has a pH of 6.0, which is moderately acidic. This range suits many crops and is common across much of the eastern US.
What is the drainage class for Crawford County?
Crawford County has a dominant drainage class of "Moderately 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 Crawford County's soil?
Based on Crawford County's Silt loam texture, pH of 6.0, and Moderately well drained, the soil is well suited for vegetables, grains, and most field crops, row crops and vegetable gardens, most annual and perennial crops.
What USDA soil order is found in Crawford County?
Crawford County's dominant soil order is Alfisols. Alfisols are moderate to high base-status soils with a clay-enriched subsoil. They support productive forests and cropland across temperate regions.
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Other Counties in Ohio
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.