Bennett County Soil Data
Bennett County, South Dakota
Avg pH
6.9
Texture
Sandy Loam
Drainage
N/A
Organic Matter
7.8%
Hydrologic Group
N/A
Data Story
About Soil in Bennett County, South Dakota
Rich Organic Matter in Sandy Soils
Bennett County features a pH of 6.87, staying close to the 6.5 national median and slightly below the 7.05 state average. While the soil score of 58.9 is slightly below the state average, the county possesses unique chemical characteristics. This neutral profile is highly conducive to a wide variety of native and cultivated plants.
Fast-Draining Sandy Ground
A high sand content of 58.3% dominates the soil, with only 10.1% clay and 21.5% silt. This creates a very light, gritty texture that allows water to pass through rapidly. While this prevents puddling, it can make it difficult for the soil to hold onto mobile nutrients like nitrogen.
High Carbon, Low Water Storage
The soil boasts a massive 7.81% organic matter, which is more than double the South Dakota state average of 3.75%. Despite this fertility, the available water capacity is low at 0.138 in/in, compared to the state average of 0.182. Gardeners will need to mulch heavily to keep this rich but thirsty soil hydrated.
Superior Drainage for Drylands
The 58.3% sand content points toward very rapid drainage, which is ideal for avoiding root rot in wet years. This makes Bennett County soil excellent for construction and roadbeds, as it resists the expansion and contraction common in clay. However, irrigation management is critical for consistent agricultural yields.
Thriving in Zone 5a
Zone 5a allows for a diverse garden, from sweet corn to hardy berries. Utilize the incredible 7.81% organic matter by planting high-demand crops, but ensure you have a steady watering plan. This soil is perfect for native prairie grasses and drought-resistant perennials.
Soil Composition
Soil pH
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: Sandy Loam
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Frequently Asked Questions
What type of soil does Bennett County have?
Bennett County's soil is classified as Sandy Loam. This indicates the relative proportions of sand, silt, and clay — 58% sand, 22% silt, and 10% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Bennett County's soil acidic or alkaline?
Bennett 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 Bennett County?
Drainage class data is not currently available for Bennett County.
What crops or plants grow well in Bennett County's soil?
Based on Bennett County's Sandy 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 Bennett County?
The dominant USDA soil order for Bennett County is not currently available in our dataset.
Planning your lawn? View lawn care data for Bennett County on LawnByCounty.com →
Other Counties in South Dakota
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.