Susquehanna County, PA: the USDA septic-suitability picture
Very limited
Susquehanna County, PA's SSURGO dominant class comes back "Very limited", covering 96.7% of the county. 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 823.494 square miles, home to 38,100 people.
What this number does and doesn't tell you
Susquehanna 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.
Susquehanna County: conventional vs. engineered cost
96.7% of Susquehanna 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.
How Susquehanna County, PA compares
Among the 3,058 rated counties on this site, Susquehanna County, PA ranks 414 most-constrained nationally, and 17 of 66 within Pennsylvania.
Related guides
How this rating is built, and its real limits · Conventional vs. engineered septic systems