Okfuskee County, OK: the USDA septic-suitability picture

Very limited

Okfuskee County, OK: USDA's soil survey calls 92.4% of the county "Very limited" for a septic leach field. That reading means a conventional system is a poor bet here - 92.4% of Okfuskee County lands in the strictest "very limited" bucket USDA uses. The county spans 618.458 square miles, home to 11,364 people.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Okfuskee County, OK - never a reading for one specific parcel. Budget $750-$1,850 for a real perc test on any specific parcel - that's the only figure a permit application accepts.

Okfuskee County: conventional vs. engineered cost

92.4% of Okfuskee 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, Okfuskee County, OK ranks 992 most-constrained nationally, and 11 of 77 within Oklahoma.

Further reading

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