Todd County Soil Data
Todd County, South Dakota
Avg pH
6.9
Texture
Sandy Loam
Drainage
N/A
Organic Matter
6.0%
Hydrologic Group
N/A
Data Story
About Soil in Todd County, South Dakota
Unique High-Organic Landscapes
Todd County features a pH of 6.89, placing it slightly above the 6.5 national median. The county’s soil profile is distinctive, resulting in an overall soil score of 55.9.
Sandy and Workable Earth
Sand dominates this landscape at 58.5%, while clay makes up only 12.3%. This sandy profile ensures very high workability for gardeners, though it requires careful management of water.
Exceptional Organic Matter Levels
The soil contains a massive 6.02% organic matter, nearly triple the national average of 2.0%. However, the available water capacity is low at 0.136 in/in because sand allows moisture to pass through quickly.
Rapid Moisture Movement
Formal drainage data are not recorded, but the high sand percentage implies very rapid water movement. Gardeners should plan for frequent irrigation to fully utilize the rich organic reserves.
Thriving in Zone 5a
Hardiness Zone 5a allows for a longer season for peppers, tomatoes, and melons. Use that incredible organic matter to grow a lush garden that takes advantage of the warmer local climate.
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 Todd County have?
Todd County's soil is classified as Sandy Loam. This indicates the relative proportions of sand, silt, and clay — 58% sand, 23% silt, and 12% clay. Loamy soils hold moisture well and support a wide range of plants.
Is Todd County's soil acidic or alkaline?
Todd 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 Todd County?
Drainage class data is not currently available for Todd County.
What crops or plants grow well in Todd County's soil?
Based on Todd 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 Todd County?
The dominant USDA soil order for Todd County is not currently available in our dataset.
Planning your lawn? View lawn care data for Todd 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.