Clark County Soil Data
Clark County, Ohio
Avg pH
6.4
Texture
Silt loam
Drainage
Well drained
Organic Matter
6.6%
Hydrologic Group
B
Data Story
About Soil in Clark County, Ohio
High-Scoring Inceptisols in Clark
Clark County earns a stellar soil score of 87.5, fueled by a healthy pH of 6.39. This is much closer to the national median of 6.5 than the state average of 5.97, indicating high nutrient availability.
Balanced Silt Loam Mix
The soil contains 50.0% silt, 22.7% sand, and 21.8% clay, resulting in a classic silt loam. This texture is highly prized by farmers for its balance of drainage, nutrient retention, and ease of tilling.
Above Average Organic Wealth
Organic matter reaches a robust 6.64%, far exceeding the state average of 4.85%. Coupled with a high water capacity of 0.211 in/in, this soil is among the most productive in the region.
Naturally Well Drained Ground
Unlike many neighbors, Clark County’s soil is well drained and falls into hydrologic group B. This means water moves through the profile efficiently, making it excellent for both large-scale farming and home basements.
A Gardener's Dream in 6a
USDA zone 6a combined with top-tier soil allows for almost any temperate crop to flourish here. From sweet corn to delicate perennials, Clark County provides the perfect foundation for a bountiful harvest.
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: Silt loam
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Frequently Asked Questions
What type of soil does Clark County have?
Clark County's soil is classified as Silt loam. This indicates the relative proportions of sand, silt, and clay — 23% sand, 50% silt, and 22% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Clark County's soil acidic or alkaline?
Clark County's soil has a pH of 6.4, which is moderately acidic. This range suits many crops and is common across much of the eastern US.
What is the drainage class for Clark County?
Clark 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 Clark County's soil?
Based on Clark County's Silt loam texture, pH of 6.4, and 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 Clark County?
Clark 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.
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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.