Transporting water from the stream, to the treatment plants, to your home requires teamwork by a skilled utility staff. Water Supply, Plant Maintenance, Meter Maintenance, Meter Reading, and Water Distribution employees work together for one common goal - to provide the residents of Thornton quality water everyday.
Did you know?
The City has over 4,900 hydrants? The City's Hydrant Flushing Program is conducted once per year and cleans the entire waterline system to improve water quality. The program also ensures proper operation of each fire hydrant.
The Water Distribution staff provides maintenance of 585 miles of water lines and related facilities, such as fire hydrants, valves and water taps. They also provide response to customer calls for water breaks and water pressure problems. If you experience problems with pressure or need to report a water break please call 720-977-6500 between 8 a.m. and 5 p.m. or after hours and weekends.
Meter Maintenance and Meter Reading personnel provide all services with regard to water meters. Meter readings are obtained using electronic devices and electronically transferred into the billing system. New meter pit inspections and meter installations are provided for new homes and businesses prior to occupancy. These requests are scheduled through Utility Billing to ensure all applicable fees are paid. You can contact Utility Billing at 303-538-7370 if you have questions about new service or changes in your existing service.
Water Supply and Water Plant Maintenance
The Water Supply and Water Plant Maintenance staff works together to maintain 63 miles of supply ditches and 11 reservoirs. Continuous monitoring of six pump stations, two water treatment plants and eight potable water storage tanks ensures utility customers uninterrupted water service.
If you have any questions or concerns about Thornton water infrastructure, email UtilOperation@CityofThornton.net or call Utilities Operations at
Effective June 4, the Infrastructure Maintenance Center building will be locked to visitors. Visitors may still reach staff during business hours – 7:00 a.m. to 4:00 p.m., Monday through Friday – via a phone at the main entrance.
Report a Water Break - 720-977-6500
After Hours Emergencies - 720-977-6500
Water Lines Maintenance - 720-977-6500