Moffat County's SSURGO septic rating

Very limited

Moffat County, CO: USDA's soil survey calls 81.6% of the county "Very limited" for a septic leach field. Practically, that rules out a simple gravity system for most of the county - 81.6% of it sits in USDA's most-constrained bucket. For scale: 4,743.244 square miles and 13,142 people call Moffat County home.

Before you rely on this for one lot

Moffat County's rating is an average across the whole county, not a promise about any one lot inside it. The real answer for one lot is still a site-specific perc test, running about $750-$1,850 (typically near $1,300).

Budgeting for a system in Moffat County, CO

Moffat County's soil reading pushes the likely outcome toward an engineered system rather than a conventional one. 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.

Moffat County's rank among Colorado counties

Among the 3,058 rated counties on this site, Moffat County, CO ranks 1,962 most-constrained nationally, and 38 of 63 within Colorado.

Related guides

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