Quitman County's SSURGO septic rating
Very limited
Quitman County, MS: USDA's soil survey calls 97.6% of the county "Very limited" for a septic leach field. This is the reading that pushes a project toward an engineered system rather than a conventional one, and it covers 97.6% of Quitman County's land. For scale: 405.012 square miles and 5,542 people call Quitman County home.
Before you rely on this for one lot
Quitman County's rating is an average across the whole county, not a promise about any one lot inside it. 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 Quitman County, MS
Quitman 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 Quitman County, MS compares
Among the 3,058 rated counties on this site, Quitman County, MS ranks 314 most-constrained nationally, and 17 of 82 within Mississippi.
Further reading
How this rating is built, and its real limits · Conventional vs. engineered septic systems