Columbia County Soil Data
Columbia County, Pennsylvania
Avg pH
5.3
Texture
Gravelly loam
Drainage
Well drained
Organic Matter
10.7%
Hydrologic Group
B
Data Story
About Soil in Columbia County, Pennsylvania
Weathered Ultisols of the Ridge
Columbia County is defined by Ultisols with a pH of 5.26, which aligns perfectly with the Pennsylvania average. These soils are notably more acidic than the national median of 6.5, reflecting a history of long-term weathering.
Gravelly Loam Foundations
The dominant texture is gravelly loam, consisting of 44.7% silt, 29.7% sand, and 14.9% clay. This mix ensures the soil stays aerated and loose, preventing the compaction often found in heavier clay soils.
High Water Holding Potential
The available water capacity is 0.163 in/in, which is higher than the state average of 0.151 in/in. Combined with 10.70% organic matter, this soil provides a resilient environment that keeps plants hydrated through dry spells.
Naturally Efficient Drainage
These soils are well-drained and fall into hydrologic group B, indicating a moderate rate of water infiltration. This classification is excellent for gardening as it protects sensitive root systems from rot.
Bountiful Harvests in 6b
In hardiness zone 6b, the high water capacity of Columbia County's soil supports lush vegetable patches and fruit trees. Dig in today and take advantage of these nutrient-rich gravelly loams.
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: Gravelly loam
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Frequently Asked Questions
What type of soil does Columbia County have?
Columbia County's soil is classified as Gravelly loam. This indicates the relative proportions of sand, silt, and clay — 30% sand, 45% silt, and 15% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Columbia County's soil acidic or alkaline?
Columbia County's soil has a low pH of 5.3, which is strongly acidic. Acidic soils benefit from lime applications to raise pH and improve nutrient availability.
What is the drainage class for Columbia County?
Columbia 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 Columbia County's soil?
Based on Columbia County's Gravelly loam texture, pH of 5.3, and Well drained, the soil is well suited for acid-loving plants like blueberries and azaleas, row crops and vegetable gardens, most annual and perennial crops.
What USDA soil order is found in Columbia County?
Columbia County's dominant soil order is Ultisols. Ultisols are highly weathered, clay-rich soils common in humid regions. They are low in natural fertility and often require lime and fertilizer for agriculture.
Planning your lawn? View lawn care data for Columbia County on LawnByCounty.com →
Other Counties in Pennsylvania
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.