What Lauderdale County, AL's soil rates for a septic system

Very limited

Soil across 64.7% of Lauderdale County, AL rates "Very limited" in USDA's septic-absorption-field interpretation. That reading means a conventional system is a poor bet here - 64.7% of Lauderdale County lands in the strictest "very limited" bucket USDA uses. Lauderdale County covers 668.049 square miles and counts 97,502 residents.

This is a county figure, not a parcel figure

USDA's survey covers the whole of Lauderdale County, AL at once, not any single address. A site-specific perc test, usually $750-$1,850, is what a health department will actually require before permitting a lot in Lauderdale County.

System cost, conventional vs. engineered

Given Lauderdale County's rating, plan for the engineered-system range rather than the conventional one. The engineered-system range, $10,000-$40,000 (mound or aerobic treatment), is the more realistic number to plan around, against $3,000-$8,000 for a conventional system on the rare lot that passes.

How Lauderdale County, AL compares

Nationally, Lauderdale County, AL is the 2,614-most-constrained of 3,058 rated counties for septic soil. Within Alabama alone it ranks 52 of 67.

Before you act on this

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