Septic suitability in Salt Lake County, UT

Very limited

Salt Lake County, UT's SSURGO dominant class comes back "Very limited", covering 83.4% of the county. Expect the ground itself to work against a plain gravity system; USDA's strictest bucket alone covers 83.4% of the county. For scale: 752.852 square miles and 1,216,274 people call Salt Lake County home.

Before you rely on this for one lot

This is a countywide, area-weighted figure across every soil survey map unit in Salt Lake County, UT - never a reading for one specific parcel. 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 Salt Lake County, UT

Salt Lake 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.

Salt Lake County's rank among Utah counties

Among the 3,058 rated counties on this site, Salt Lake County, UT ranks 1,825 most-constrained nationally, and 5 of 28 within Utah.

Before you act on this

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