PercCheck

Septic suitability in Guernsey County, OH

Very limited

Guernsey County, OH: USDA's soil survey calls 94.5% of the county "Very limited" for a septic leach field. A standard gravity system routinely fails on ground like this; the same share of the county falls in USDA's worst absorption-field bucket outright. The county spans 522.242 square miles, home to 38,219 people.

What this number does and doesn't tell you

Guernsey County's rating is an average across the whole county, not a promise about any one lot inside it. Budget $750-$1,850 for a real perc test on any specific parcel - that's the only figure a permit application accepts.

Guernsey County: conventional vs. engineered cost

94.5% of Guernsey 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, Guernsey County, OH ranks 713 most-constrained nationally, and 59 of 87 within Ohio.

Before you act on this

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