Butler County, OH: the USDA septic-suitability picture

Very limited

Butler County, OH: USDA's soil survey calls 83.8% of the county "Very limited" for a septic leach field. Practically, that rules out a simple gravity system for most of the county - 83.8% of it sits in USDA's most-constrained bucket. The county spans 466.531 square miles, home to 399,542 people.

What this number does and doesn't tell you

Nothing about Butler County, OH'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.

Butler County: conventional vs. engineered cost

83.8% of Butler 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.

Butler County's rank among Ohio counties

Among the 3,058 rated counties on this site, Butler County, OH ranks 1,796 most-constrained nationally, and 82 of 87 within Ohio.

Related guides

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