City of Thornton Water
Thornton is committed to preserving the City’s water resources for our customers to enjoy…now and in the future. Thornton is proud to provide quality services, from the protection of water sources to the distribution of water to customer homes and businesses.
Water Information Pages
Water Bill and Rates
Pay Utility Bills Online
Water Conservation
Water Quality Lab
Water Quality Report
Water Treatment
Water Lines, Hydrants, and Meters
Wastewater Lines
Wastewater Treatment
Stormwater and NPDES Permits
Water Rights and Water Law
All About Thornton Water
Emergency Numbers
- To Report a Water Break - 720-977-6500
- To Report a Sewer Problem - 720-977-6500
- Water Quality Concerns - (303) 255-7770
- After Hours Emergencies - (303) 255-7760
Contact Numbers
- Water Resources - 720-977-6500
- Water Quality Lab - 303-255-7770
- Water Treatment Plants - 303-255-7720
- Water Distribution -Water Lines, Hydrants & Meters - 720-977-6500
- Wastewater Lines Maintenance 720-977-6500
Other Water Related Numbers
- Utility Billing (303) 538- 7370
- Metro Wastewater - (303) 286-3000