Pearl River County, MS Septic Rating
Pearl River County, MS: the USDA septic-suitability picture
Very limited
Pearl River County, MS: USDA's soil survey calls 80.5% of the county "Very limited" for a septic leach field. This is the reading that pushes a project toward an engineered system rather than a conventional one, covering that same share of Pearl River County's land. The county spans 812 square miles, home to 59,030 people.
What this number does and doesn't tell you
This is a countywide, area-weighted figure across every soil survey map unit in Pearl River County, MS - never a reading for one specific parcel. Budget $750-$1,850 for a real perc test on any specific parcel - that's the only figure a permit application accepts.
Pearl River County: conventional vs. engineered cost
80.5% of Pearl River 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.
Where this sits nationally
Among the 3,058 rated counties on this site, Pearl River County, MS ranks 2,018 most-constrained nationally, and 69 of 82 within Mississippi.
Before you act on this
How this rating is built, and its real limits · Conventional vs. engineered septic systems