Utah State University Extension
Most homes in rural Utah use a septic system or similar on-site wastewater treatment system. While these systems are generally economical and safe, household wastewater can contain contaminants that degrade water quality for drinking, stock watering, food preparation and cleaning.
Extension, USU, "What’s the Risk to Your Water from Your Septic System? - Homeowner Survey" (2012). All Current Publications. Paper 1286.