Fayette County's SSURGO septic rating
Very limited
Fayette County, WV: USDA's soil survey calls 95.6% of the county "Very limited" for a septic leach field. Expect the ground itself to work against a plain gravity system; USDA's strictest bucket alone covers 95.6% of the county. The county spans 661.957 square miles, home to 38,600 people.
What this number does and doesn't tell you
Nothing about Fayette County, WV's SSURGO figure applies to a specific address - it's a county-wide average. Budget $750-$1,850 for a real perc test on any specific parcel - that's the only figure a permit application accepts.
Fayette County: conventional vs. engineered cost
95.6% of Fayette 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 Fayette County, WV compares
Among the 3,058 rated counties on this site, Fayette County, WV ranks 579 most-constrained nationally, and 25 of 55 within West Virginia.
Related guides
How this rating is built, and its real limits · Conventional vs. engineered septic systems