Buena Vista County, IA: the USDA septic-suitability picture

Very limited

Buena Vista County, IA: USDA's soil survey calls 93.6% of the county "Very limited" for a septic leach field. Expect the ground itself to work against a plain gravity system; USDA's strictest bucket alone covers 93.6% of the county. The county spans 574.899 square miles, home to 20,816 people.

What this number does and doesn't tell you

USDA's survey covers the whole of Buena Vista County, IA 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.

Buena Vista County: conventional vs. engineered cost

93.6% of Buena Vista 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 Buena Vista County, IA compares

Among the 3,058 rated counties on this site, Buena Vista County, IA ranks 852 most-constrained nationally, and 61 of 99 within Iowa.

Further reading

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