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

Very limited

95.3% of Kimble County, TX's surveyed soil comes back "Very limited" in USDA's own SSURGO data, the county's dominant condition for a septic absorption field. Expect the ground itself to work against a plain gravity system; USDA's strictest bucket alone covers 95.3% of the county. Kimble County covers 1,250.98 square miles and counts 4,401 residents.

This is a county figure, not a parcel figure

This is a countywide, area-weighted figure across every soil survey map unit in Kimble County, TX - never a reading for one specific parcel. A site-specific perc test, usually $750-$1,850, is what a health department will actually require before permitting a lot in Kimble County.

System cost, conventional vs. engineered

Given Kimble 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.

How Kimble County, TX compares

Nationally, Kimble County, TX is the 645-most-constrained of 3,058 rated counties for septic soil. Within Texas alone it ranks 43 of 253.

Before you act on this

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