USDA SSURGO Data
Explore Your County's Soil
Free USDA soil reports for every US county — sand, silt, and clay breakdown, average pH, drainage class, and dominant soil series. Essential for farmers, gardeners, landscapers, and land buyers.
Enter a county, state, district, or page name to search.
Counties
3,144
States
51
Nat'l Avg pH
6.0
Data Source
USDA NRCS
SSURGO Database
Greenville County
South Carolina
Dominant Texture
Sandy Loam
Avg pH
5.1
Clay %
15.4%
Drainage Class
Well drained
Soil Order
Ultisols
Sandy Loam of the Foothills
Greenville County features sandy loam soils from the Ultisols order, with a pH of 5.15. Its soil score of 13.3 is lower than the state average, indicating some natural limitations in agricultural productivity.
How SoilByCounty Works
Find, compare, and understand soil data across America
Step 1
Find Your County
Search by name or browse by state to access USDA SSURGO soil data for any of 3,100+ US counties.
Step 2
View Composition
See sand, silt, and clay percentages with texture classification and visual breakdown.
Step 3
Check pH & Drainage
Review average pH, dominant drainage class, and hydrologic group for land planning.
Step 4
Compare Counties
Side-by-side soil comparison across up to 3 counties for land buyers and researchers.
Soil Research Tools
Explore soil types, compare counties, and dive into USDA data across all 3,100+ US counties.
Soil Types
In-depth guides to Mollisols, Alfisols, Ultisols, and more — with county examples.
Explore Soil TypesCompare Counties
Side-by-side comparison of soil composition, pH, and drainage for up to 3 counties.
Start ComparingSoil Articles
Data-driven articles on soil orders, farming, gardening, and land management.
Browse ArticlesAbout the Data
Learn how USDA SSURGO soil surveys are collected and how we present them.
Learn MoreWhy Soil Data Matters
Composition
Sand, silt, and clay percentages determine how your soil behaves.
pH Levels
Soil acidity affects nutrient availability and plant growth.
Drainage
How quickly water moves through soil impacts flooding and irrigation.
SSURGO Data
Official USDA soil surveys covering every county in the US.
Browse by State
Alabama
67 counties
Alaska
30 counties
Arizona
15 counties
Arkansas
75 counties
California
58 counties
Colorado
64 counties
Connecticut
9 counties
Delaware
3 counties
District of Columbia
1 counties
Florida
67 counties
Georgia
159 counties
Hawaii
5 counties
Idaho
44 counties
Illinois
102 counties
Indiana
92 counties
Iowa
99 counties
Kansas
105 counties
Kentucky
120 counties
Louisiana
64 counties
Maine
16 counties
Maryland
24 counties
Massachusetts
14 counties
Michigan
83 counties
Minnesota
87 counties
Mississippi
82 counties
Missouri
115 counties
Montana
56 counties
Nebraska
93 counties
Nevada
17 counties
New Hampshire
10 counties
New Jersey
21 counties
New Mexico
33 counties
New York
62 counties
North Carolina
100 counties
North Dakota
53 counties
Ohio
88 counties
Oklahoma
77 counties
Oregon
36 counties
Pennsylvania
67 counties
Rhode Island
5 counties
South Carolina
46 counties
South Dakota
66 counties
Tennessee
95 counties
Texas
254 counties
Utah
29 counties
Vermont
14 counties
Virginia
133 counties
Washington
39 counties
West Virginia
55 counties
Wisconsin
72 counties
Wyoming
23 counties
Powered by USDA SSURGO
All data comes from the USDA Natural Resources Conservation Service Soil Survey Geographic (SSURGO) Database. County-level aggregates are derived from official soil map units and component data.
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