The plant, although not fully automated, is for the most part computer controlled. Much of the processes taking place are covered to control odor and to control temperatures throughout the year. Sewage flows into the plant from eastern Flagstaff.
Treated water leaving the plant is used to irrigate golf courses and landscaped areas.
The final product is not intended for drinking. It is categorized as partial body contact by Arizona Department of Environmental Quality. The wastewater treatment process at Wildcat Hill Wastewater Treatment Plant is made up of Pretreatment, Primary Sedimentation, Biofilters, Secondary Sedimentation, Chlorine Disinfection, Sand filters, and Sludge Treatment.