What Greenlee County, AZ's soil rates for a septic system

Very limited

In Greenlee County, AZ, 82.4% of the surveyed land carries a "Very limited" rating for a standard septic drain field. Practically, that rules out a simple gravity system for most of the county - 82.4% of it sits in USDA's most-constrained bucket. Greenlee County covers 1,842.838 square miles and counts 9,410 residents.

This is a county figure, not a parcel figure

USDA's survey covers the whole of Greenlee County, AZ 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 Greenlee County.

System cost, conventional vs. engineered

Given Greenlee 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 Greenlee County, AZ compares

Nationally, Greenlee County, AZ is the 1,901-most-constrained of 3,058 rated counties for septic soil. Within Arizona alone it ranks 2 of 15.

Before you act on this

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