Twiggs County's SSURGO septic rating

Very limited

USDA puts Twiggs County, GA at "Very limited" for septic absorption fields, the dominant reading across 67.1% of the county's soil. This is the reading that pushes a project toward an engineered system rather than a conventional one, and it covers 67.1% of Twiggs County's land. For scale: 359.26 square miles and 7,728 people call Twiggs County home.

Before you rely on this for one lot

Nothing about Twiggs County, GA's SSURGO figure applies to a specific address - it's a county-wide average. 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 Twiggs County, GA

Twiggs 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 Twiggs County, GA compares

Among the 3,058 rated counties on this site, Twiggs County, GA ranks 2,562 most-constrained nationally, and 74 of 159 within Georgia.

Further reading

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