Septic suitability in Tyrrell County, NC

Very limited

USDA puts Tyrrell County, NC at "Very limited" for septic absorption fields, the dominant reading across 62.8% of the county's soil. Practically, that rules out a simple gravity system for most of the county - 62.8% of it sits in USDA's most-constrained bucket. For scale: 390.777 square miles and 3,517 people call Tyrrell County home.

Before you rely on this for one lot

This is a countywide, area-weighted figure across every soil survey map unit in Tyrrell County, NC - never a reading for one specific parcel. 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 Tyrrell County, NC

Tyrrell 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 Tyrrell County, NC compares

Among the 3,058 rated counties on this site, Tyrrell County, NC ranks 2,669 most-constrained nationally, and 63 of 97 within North Carolina.

Further reading

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