Septic soil in Chesterfield County, SC, by the numbers

Very limited

In Chesterfield County, SC, 83.9% of the surveyed land carries a "Very limited" rating for a standard septic drain field. This is the reading that pushes a project toward an engineered system rather than a conventional one, and it covers 83.9% of Chesterfield County's land. Chesterfield County covers 798.986 square miles and counts 44,488 residents.

This is a county figure, not a parcel figure

Nothing about Chesterfield County, SC's SSURGO figure applies to a specific address - it's a county-wide average. A site-specific perc test, usually $750-$1,850, is what a health department will actually require before permitting a lot in Chesterfield County.

System cost, conventional vs. engineered

Given Chesterfield County's rating, plan for the engineered-system range rather than the conventional one. The engineered-system range, $10,000-$40,000 (mound or aerobic treatment), is the more realistic number to plan around, against $3,000-$8,000 for a conventional system on the rare lot that passes.

Chesterfield County's rank among South Carolina counties

Nationally, Chesterfield County, SC is the 1,787-most-constrained of 3,058 rated counties for septic soil. Within South Carolina alone it ranks 14 of 46.

Related guides

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