Septic suitability in Madison County, MS

Very limited

USDA puts Madison County, MS at "Very limited" for septic absorption fields, the dominant reading across 93.7% of the county's soil. That reading means a conventional system is a poor bet here - 93.7% of Madison County lands in the strictest "very limited" bucket USDA uses. The county spans 714.212 square miles, home to 114,247 people.

What this number does and doesn't tell you

Two lots a mile apart in Madison County can carry different soil, even though they share one countywide rating. Budget $750-$1,850 for a real perc test on any specific parcel - that's the only figure a permit application accepts.

Madison County: conventional vs. engineered cost

93.7% of Madison 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.

How Madison County, MS compares

Among the 3,058 rated counties on this site, Madison County, MS ranks 830 most-constrained nationally, and 33 of 82 within Mississippi.

Before you act on this

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