Septic suitability in Union County, GA

Very limited

Union County, GA: USDA's soil survey calls 86.1% of the county "Very limited" for a septic leach field. Practically, that rules out a simple gravity system for most of the county - 86.1% of it sits in USDA's most-constrained bucket. The county spans 323.592 square miles, home to 27,601 people.

What this number does and doesn't tell you

Union County's rating is an average across the whole county, not a promise about any one lot inside it. Budget $750-$1,850 for a real perc test on any specific parcel - that's the only figure a permit application accepts.

Union County: conventional vs. engineered cost

86.1% of Union 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.

Where this sits nationally

Among the 3,058 rated counties on this site, Union County, GA ranks 1,608 most-constrained nationally, and 40 of 159 within Georgia.

Before you act on this

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