Septic suitability in Polk County, NE

Very limited

Polk County, NE's SSURGO dominant class comes back "Very limited", covering 84% 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 438.832 square miles, home to 5,269 people.

What this number does and doesn't tell you

Two lots a mile apart in Polk County can carry different soil, even though they share one countywide rating. Budget $750-$1,850 for a real perc test on any specific parcel - that's the only figure a permit application accepts.

Polk County: conventional vs. engineered cost

84% of Polk 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 Polk County, NE compares

Among the 3,058 rated counties on this site, Polk County, NE ranks 1,783 most-constrained nationally, and 37 of 93 within Nebraska.

Before you act on this

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