Septic suitability in Alexandria city, VA

Very limited

Alexandria city, VA: USDA's soil survey calls 51% 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 51% of the county. The county spans 14.935 square miles, home to 159,102 people.

What this number does and doesn't tell you

USDA's survey covers the whole of Alexandria city, VA 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.

Alexandria city: conventional vs. engineered cost

51% of Alexandria city 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 Alexandria city, VA compares

Among the 3,058 rated counties on this site, Alexandria city, VA ranks 2,860 most-constrained nationally, and 93 of 110 within Virginia.

Further reading

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