Waller County, TX: the USDA septic-suitability picture

Very limited

Waller County, TX's SSURGO dominant class comes back "Very limited", covering 94.8% of the county. That reading means a conventional system is a poor bet here - 94.8% of Waller County lands in the strictest "very limited" bucket USDA uses. For scale: 513.344 square miles and 65,109 people call Waller County home.

Before you rely on this for one lot

USDA's survey covers the whole of Waller County, TX at once, not any single address. 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 Waller County, TX

Waller 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.

How Waller County, TX compares

Among the 3,058 rated counties on this site, Waller County, TX ranks 685 most-constrained nationally, and 47 of 253 within Texas.

Further reading

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