PercCheck

Eddy County, NM Septic Rating

Septic suitability in Eddy County, NM

Very limited

USDA puts Eddy County, NM at "Very limited" for septic absorption fields, the dominant reading across 69% of the county's soil. That reading means a conventional system is a poor bet here - it's already USDA's strictest "very limited" bucket, not a partial constraint. For scale: 4,176 square miles and 61,436 people call Eddy County home.

Before you rely on this for one lot

Eddy 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 Eddy County, NM

Eddy 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.

Where this sits nationally

Among the 3,058 rated counties on this site, Eddy County, NM ranks 2,494 most-constrained nationally, and 15 of 29 within New Mexico.

Before you act on this

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