Septic suitability in Haywood County, TN

Very limited

Haywood County, TN's SSURGO dominant class comes back "Very limited", covering 85.1% of the county. Practically, that rules out a simple gravity system for most of the county - 85.1% of it sits in USDA's most-constrained bucket. For scale: 533.107 square miles and 17,097 people call Haywood County home.

Before you rely on this for one lot

USDA's survey covers the whole of Haywood County, TN 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 Haywood County, TN

Haywood 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.

Haywood County's rank among Tennessee counties

Among the 3,058 rated counties on this site, Haywood County, TN ranks 1,676 most-constrained nationally, and 36 of 95 within Tennessee.

Further reading

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