What Kerr County, TX's soil rates for a septic system

Very limited

Soil across 99.3% of Kerr County, TX rates "Very limited" in USDA's septic-absorption-field interpretation. That reading means a conventional system is a poor bet here - 99.3% of Kerr County lands in the strictest "very limited" bucket USDA uses. Kerr County covers 1,103.333 square miles and counts 53,900 residents.

This is a county figure, not a parcel figure

Kerr County's rating is an average across the whole county, not a promise about any one lot inside it. A site-specific perc test, usually $750-$1,850, is what a health department will actually require before permitting a lot in Kerr County.

System cost, conventional vs. engineered

Given Kerr County's rating, plan for the engineered-system range rather than the conventional one. The engineered-system range, $10,000-$40,000 (mound or aerobic treatment), is the more realistic number to plan around, against $3,000-$8,000 for a conventional system on the rare lot that passes.

Where this sits nationally

Nationally, Kerr County, TX is the 45-most-constrained of 3,058 rated counties for septic soil. Within Texas alone it ranks 5 of 253.

Further reading

How this rating is built, and its real limits · Conventional vs. engineered septic systems