Harnett County's SSURGO septic rating

Very limited

Harnett County, NC's SSURGO dominant class comes back "Very limited", covering 67.7% of the county. Expect the ground itself to work against a plain gravity system; USDA's strictest bucket alone covers 67.7% of the county. For scale: 595.099 square miles and 146,096 people call Harnett County home.

Before you rely on this for one lot

Harnett 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 Harnett County, NC

Harnett 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 Harnett County, NC compares

Among the 3,058 rated counties on this site, Harnett County, NC ranks 2,537 most-constrained nationally, and 57 of 97 within North Carolina.

Before you act on this

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