| Utility Operations |
![]() The Utility Operations Department ensures that adequate supplies of clean and safe drinking water are provided throughout the year, and that the wastewater collection system operates at optimum capacity. Water Quality The Utility Operations Department submits 24 samples monthly as required by the state for bacteriological testing. We also monitor the chlorine residual on a daily basis. The Utility Operations Department operates our Cross Connection Control Program, which helps to ensure a safe water supply for Colleyville. To view the 2006 Annual Water Quality Report, please click here. Water Distribution Maintenance and operation of the water distribution system, consisting of approximately 175 miles of water mains; 8,200 water meters; and 1,200 fire hydrants. Maintenance and operation of three elevated water towers, two water pumping facilities, and one ground storage tank. Water Storage and Pumping Wastewater Collection |