Questions you can ask
- “What soil map units are in Midland County, Texas (TX329)?”
- “How suitable is this soil for roads and shallow excavations?”
- “Show drainage class and depth to restrictive layer for this map unit.”
| Map unit | Local roads | Shallow excavations |
|---|---|---|
| Example fine sandy loam | Not limited | Somewhat limited |
| Example clay loam | Somewhat limited | Very limited |
| Example gravelly loam | Not limited | Somewhat limited |
Illustrative values showing the shape of an answer, not live data.
About this source
USDA NRCS Soil Data Access for soil properties and construction suitability. Soil properties affect foundation design, spill containment, and reclamation planning. CRITICAL USAGE RULES: 1. No authentication required - free government API 2. Query by area symbol (county code, e.g., TX201 for Harris County) 3. Returns drainage class, hydrology group, flood frequency 4. Use getInterpretations() for construction suitability ratings
Connector ID soils
Provenance
Freshness & coverage
› Methods (4)
Technical detail for developers: parameters, pagination, units, and freshness per method.
queryByAreaSymbol
readQuery soil map units by county area symbol (e.g., TX201)
Required paramsareasymbol or areaSymbolqueryByMapUnit
readQuery detailed soil properties by map unit key
Required paramsmukeygetInterpretations
readGet soil interpretations for construction (roads, excavations, etc.)
Required paramsareasymbol or areaSymbolexecuteQuery
readExecute custom Soil Data Access SQL query
Required paramssqlEntitiessoil