Gray County's SSURGO septic rating

Very limited

Gray County, KS's SSURGO dominant class comes back "Very limited", covering 80% of the county. This is the reading that pushes a project toward an engineered system rather than a conventional one, and it covers 80% of Gray County's land. The county spans 868.867 square miles, home to 5,730 people.

What this number does and doesn't tell you

Two lots a mile apart in Gray 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.

Gray County: conventional vs. engineered cost

80% of Gray 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 Gray County, KS compares

Among the 3,058 rated counties on this site, Gray County, KS ranks 2,046 most-constrained nationally, and 56 of 105 within Kansas.

Before you act on this

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