Queen Anne's County, MD: the USDA septic-suitability picture

Very limited

Queen Anne's County, MD's SSURGO dominant class comes back "Very limited", covering 89.8% of the county. Practically, that rules out a simple gravity system for most of the county - 89.8% of it sits in USDA's most-constrained bucket. For scale: 371.669 square miles and 53,688 people call Queen Anne's County home.

Before you rely on this for one lot

Two lots a mile apart in Queen Anne's County can carry different soil, even though they share one countywide rating. The real answer for one lot is still a site-specific perc test, running about $750-$1,850 (typically near $1,300).

Budgeting for a system in Queen Anne's County, MD

Queen Anne's County's soil reading pushes the likely outcome toward an engineered system rather than a conventional one. 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 Queen Anne's County, MD compares

Among the 3,058 rated counties on this site, Queen Anne's County, MD ranks 1,288 most-constrained nationally, and 5 of 23 within Maryland.

Before you act on this

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