Adams County Soil Data

Adams County, Colorado

Avg pH

6.9

Texture

Loam

Drainage

N/A

Organic Matter

1.4%

Hydrologic Group

N/A

Data Story

About Soil in Adams County, Colorado

Adams County’s Balanced pH Profile

Adams County features a pH of 6.91, which is notably closer to the national median of 6.5 than the Colorado state average of 7.29. The county’s soil score of 31.4 aligns almost perfectly with the state average of 31.3.

A Sandy Foundation for Growth

The soil is 50.0% sand, providing excellent aeration for root systems in a semi-arid climate. This high sand content, combined with 16.7% clay and 25.7% silt, suggests a soil that is easy to work but drains rapidly.

Managing Organic Matter Deficits

Organic matter sits at 1.41%, trailing both the state average of 2.18% and the national average of 2.0%. The available water capacity of 0.126 in/in also indicates these fields hold slightly less moisture than the typical Colorado soil.

Limited Data on Hydrologic Flow

While specific drainage and taxonomic data are limited for this region, the high sand percentage generally suggests fast percolation. Urban developers and farmers should test local plots to confirm specific site hydrology before construction.

Thriving in Hardiness Zone 6a

Adams County sits in USDA Hardiness Zone 6a, offering a robust growing window for local gardeners. Focus on hardy vegetables and drought-resistant perennials to make the most of this sandy, well-aerated landscape.

Soil Composition

Loam
Sand: 50.0%
Silt: 25.7%
Clay: 16.7%
Loam

Soil pH

6.9pH
6.91199010559007
Strongly AcidicSlightly AcidicNeutralSlightly AlkalineStrongly Alkaline
Ideal lawn range: 6.0 - 7.0

Soil Series

Detailed soil series data not yet available for this county.

Hydrologic Group

Hydrologic group data not available.

Drainage Class

Drainage class data not available.

Soil Profile

Dominant texture: Loam

O HorizonOrganic layer
0-2"
A HorizonTopsoil
2-10"
B HorizonSubsoil
10-30"
C HorizonParent material
30-60"
R HorizonBedrock
60"+

Typical soil profile. Actual depths vary by location.

Frequently Asked Questions

What type of soil does Adams County have?

Adams County's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 50% sand, 26% silt, and 17% clay. Loamy soils hold moisture well and support a wide range of plants.

Is Adams County's soil acidic or alkaline?

Adams County's soil has a pH of 6.9, which is near neutral. This range is ideal for most garden plants and field crops.

What is the drainage class for Adams County?

Drainage class data is not currently available for Adams County.

What crops or plants grow well in Adams County's soil?

Based on Adams County's Loam texture, pH of 6.9, and drainage class, the soil is well suited for vegetables, grains, and most field crops, row crops and vegetable gardens.

What USDA soil order is found in Adams County?

The dominant USDA soil order for Adams County is not currently available in our dataset.

Other Counties in Colorado

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.