Septic suitability in Loudoun County, VA

Very limited

Loudoun County, VA's SSURGO dominant class comes back "Very limited", covering 88.2% of the county. Expect the ground itself to work against a plain gravity system; USDA's strictest bucket alone covers 88.2% of the county. The county spans 515.746 square miles, home to 443,380 people.

What this number does and doesn't tell you

This is a countywide, area-weighted figure across every soil survey map unit in Loudoun County, VA - 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.

Loudoun County: conventional vs. engineered cost

88.2% of Loudoun 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 Loudoun County, VA compares

Among the 3,058 rated counties on this site, Loudoun County, VA ranks 1,443 most-constrained nationally, and 21 of 110 within Virginia.

Before you act on this

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