Utah State University Extension
If you answered “Yes” or “Don’t Know” to any of these questions, then the surface water or groundwater near your home may be at risk. Sources of pollutants on or near your property can contaminate water, which can threaten your family’s health, the value of your property or the health of people downstream.
Extension, USU, "Do You Know Where Your Water has Been Lately? - Homeowner Survey" (2010). All Current Publications. Paper 1180.