PercCheck

Clarion County, PA Septic Rating

Septic suitability in Clarion County, PA

Very limited

USDA puts Clarion County, PA at "Very limited" for septic absorption fields, the dominant reading across 97.6% of the county's soil. That reading means a conventional system is a poor bet here - it's already USDA's strictest "very limited" bucket, not a partial constraint. For scale: 601 square miles and 36,855 people call Clarion County home.

Before you rely on this for one lot

Two lots a mile apart in Clarion County can carry different soil, even though they share one countywide rating. The real answer for one lot is still a site-specific perc test, running about $750-$1,850 (typically near $1,300).

Budgeting for a system in Clarion County, PA

Clarion County's soil reading pushes the likely outcome toward an engineered system rather than a conventional one. 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, Clarion County, PA ranks 303 most-constrained nationally, and 13 of 66 within Pennsylvania.

Further reading

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