Greene County, PA Septic Rating
Greene County, PA: the USDA septic-suitability picture
Very limited
Greene County, PA: USDA's soil survey calls 97.8% of the county "Very limited" for a septic leach field. Expect the ground itself to work against a plain gravity system; that share is already USDA's strictest bucket, not a lesser constraint layered on top. The county spans 576 square miles, home to 33,960 people.
What this number does and doesn't tell you
Nothing about Greene County, PA'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.
Greene County: conventional vs. engineered cost
97.8% of Greene 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, Greene County, PA ranks 278 most-constrained nationally, and 12 of 66 within Pennsylvania.
Related guides
How this rating is built, and its real limits · Conventional vs. engineered septic systems