Norcross operates a water distribution and wastewater collection system for residents of the City.  Approximately 55 miles of water mains and 49 miles of sewer lines are maintained by City staff.  Wholesale water is purchased under contract with Gwinnett County and wastewater treatment is provided under an agreement with Gwinnett County.  The city serves over 1,900 water customers and provides sewer collection to more than 1,825 households.