Fulton County, PA: the USDA septic-suitability picture
Very limited
USDA puts Fulton County, PA at "Very limited" for septic absorption fields, the dominant reading across 95.2% of the county's soil. That reading means a conventional system is a poor bet here - 95.2% of Fulton County lands in the strictest "very limited" bucket USDA uses. For scale: 437.551 square miles and 14,452 people call Fulton County home.
Before you rely on this for one lot
Nothing about Fulton County, PA's SSURGO figure applies to a specific address - it's a county-wide average. 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 Fulton County, PA
Fulton 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, Fulton County, PA ranks 652 most-constrained nationally, and 27 of 66 within Pennsylvania.
Related guides
How this rating is built, and its real limits · Conventional vs. engineered septic systems