Septic suitability in St. Francis County, AR

Very limited

USDA puts St. Francis County, AR at "Very limited" for septic absorption fields, the dominant reading across 96% of the county's soil. This is the reading that pushes a project toward an engineered system rather than a conventional one, and it covers 96% of St. Francis County's land. The county spans 634.784 square miles, home to 21,822 people.

What this number does and doesn't tell you

USDA's survey covers the whole of St. Francis County, AR at once, not any single address. Budget $750-$1,850 for a real perc test on any specific parcel - that's the only figure a permit application accepts.

St. Francis County: conventional vs. engineered cost

96% of St. Francis County carrying a "Very limited" reading changes the realistic budget here. 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.

St. Francis County's rank among Arkansas counties

Among the 3,058 rated counties on this site, St. Francis County, AR ranks 533 most-constrained nationally, and 9 of 75 within Arkansas.

Related guides

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