Conejos County's SSURGO septic rating

Very limited

Conejos County, CO's SSURGO dominant class comes back "Very limited", covering 90.8% of the county. Expect the ground itself to work against a plain gravity system; USDA's strictest bucket alone covers 90.8% of the county. The county spans 1,287.426 square miles, home to 7,549 people.

What this number does and doesn't tell you

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

Conejos County: conventional vs. engineered cost

90.8% of Conejos 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 Conejos County, CO compares

Among the 3,058 rated counties on this site, Conejos County, CO ranks 1,190 most-constrained nationally, and 11 of 63 within Colorado.

Further reading

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