Septic soil in Floyd County, TX, by the numbers

Very limited

In Floyd County, TX, 91.9% of the surveyed land carries a "Very limited" rating for a standard septic drain field. A standard gravity system routinely fails on ground like this; the same share of the county falls in USDA's worst absorption-field bucket outright. Floyd County covers 992.143 square miles and counts 5,042 residents.

This is a county figure, not a parcel figure

USDA's survey covers the whole of Floyd County, TX at once, not any single address. A site-specific perc test, usually $750-$1,850, is what a health department will actually require before permitting a lot in Floyd County.

System cost, conventional vs. engineered

Given Floyd 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 Floyd County, TX compares

Nationally, Floyd County, TX is the 1,058-most-constrained of 3,058 rated counties for septic soil. Within Texas alone it ranks 70 of 253.

Further reading

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