Septic suitability in Collingsworth County, TX

Very limited

Collingsworth County, TX: USDA's soil survey calls 74.7% of the county "Very limited" for a septic leach field. Practically, that rules out a simple gravity system for most of the county - 74.7% of it sits in USDA's most-constrained bucket. For scale: 918.441 square miles and 2,611 people call Collingsworth County home.

Before you rely on this for one lot

Two lots a mile apart in Collingsworth County can carry different soil, even though they share one countywide rating. The real answer for one lot is still a site-specific perc test, running about $750-$1,850 (typically near $1,300).

Budgeting for a system in Collingsworth County, TX

Collingsworth County's soil reading pushes the likely outcome toward an engineered system rather than a conventional one. Conventional systems run $3,000-$8,000 where they pass; where they don't, engineered alternatives (mound or aerobic treatment, whichever the health department requires) run $10,000-$40,000 - budget toward the higher figure until a perc test says otherwise.

Where this sits nationally

Among the 3,058 rated counties on this site, Collingsworth County, TX ranks 2,303 most-constrained nationally, and 180 of 253 within Texas.

Further reading

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