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Behind the scenes at the Northwater Treatment Plant

Take a tour of one of Denver Water’s largest construction projects.

Denver Water’s new, state-of-the-art drinking water facility is rapidly taking shape on a 183-acre site next to Ralston Reservoir north of Golden in Jefferson County. 

Watch this video to catch up on the progress of one of Denver Water’s largest construction projects. 

When complete and operational in 2024, the new Northwater Treatment Plant will be capable of cleaning up to 75 million gallons of water a day. Construction of the plant remains on time and on budget. 

The new plant is part of Denver Water’s North System Renewal effort, which includes the construction of a new pipeline (completed in September 2021) to carry water from the new plant and upgrades at the old Moffat Treatment Plant built in Lakewood in the 1930s.


Learn about new case studies in water utility greenhouse gas mitigation from the Water Utility Climate Alliance, including Denver Water’s sustainable Northwater Treatment Plant. Decreasing greenhouse gas emissions is a priority for Denver Water, and projects like these help get us to our goal of reducing emissions 50% from a 2015 baseline by 2025.


The North System Renewal work brings critical updates to an aging 80-year-old system that was reaching the end of its lifespan. 

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A rendering of what the Northwater Treatment Plant site will look like when complete and operational in 2024. Most of the two round storage tanks will be buried underground. Image credit: Denver Water.

The advanced new technology that is part of new Northwater Treatment Plant will provide:

Sustainability: Hydropower generation equipment at site of the Northwater plant will produce enough energy to operate the treatment plant, significantly reducing carbon dioxide emissions.

Reliability: Advanced treatment processes will improve resiliency in times of potentially challenging treatment issues, such as those created by drought or wildfires.

Flexibility: The Northwater plant was designed to be expanded if needed to meet future water demands and changing regulatory standards.

When Denver Water is finished building the new water treatment plant, redeveloping the Moffat Treatment Plant, and installing a new pipeline, the utility’s northern system will be more resilient and adaptable to changing demands for water now and into the future.


Check out more milestones in the construction of the Northwater Treatment Plant.