Franklin County's SSURGO septic rating

Very limited

Franklin County, ME's SSURGO dominant class comes back "Very limited", covering 92% of the county. This is the reading that pushes a project toward an engineered system rather than a conventional one, and it covers 92% of Franklin County's land. The county spans 1,697.007 square miles, home to 30,902 people.

What this number does and doesn't tell you

USDA's survey covers the whole of Franklin County, ME at once, not any single address. Budget $750-$1,850 for a real perc test on any specific parcel - that's the only figure a permit application accepts.

Franklin County: conventional vs. engineered cost

92% of Franklin 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 Franklin County, ME compares

Among the 3,058 rated counties on this site, Franklin County, ME ranks 1,042 most-constrained nationally, and 3 of 16 within Maine.

Further reading

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