Septic soil in Conway County, AR, by the numbers

Very limited

89.6% of Conway County, AR's surveyed soil comes back "Very limited" in USDA's own SSURGO data, the county's dominant condition for a septic absorption field. This is the reading that pushes a project toward an engineered system rather than a conventional one, and it covers 89.6% of Conway County's land. Conway County covers 551.953 square miles and counts 21,422 residents.

This is a county figure, not a parcel figure

Conway County's rating is an average across the whole county, not a promise about any one lot inside it. A site-specific perc test, usually $750-$1,850, is what a health department will actually require before permitting a lot in Conway County.

System cost, conventional vs. engineered

Given Conway 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.

Conway County's rank among Arkansas counties

Nationally, Conway County, AR is the 1,313-most-constrained of 3,058 rated counties for septic soil. Within Arkansas alone it ranks 42 of 75.

Related guides

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