New milestones at the Northwater Treatment Plant: @DenverWater’s newest water treatment plant continues to take shape

Click the link to read the article on the News on Tap website (Steve Snyder):

The construction of Denver Water’s new Northwater Treatment Plant is on budget and on track to open in 2024, having overcome challenges during 2021 stemming from the COVID-19 pandemic that affected everything from staffing to the supply chain.

This aerial photo from late 2021 shows construction progress on several buildings at the Northwater Treatment Plant. Photo credit: Denver Water.

The Northwater plant, on Highway 93 north of Golden, will be the fourth drinking water treatment plant in Denver Water’s system.

When finished, the new plant will be capable of producing up to 75 million gallons of clean drinking water per day using state-of-the-art technology. The new plant, part of Denver Water’s North System Renewal work, supplements the utility’s aging Moffat Treatment Plant on West 20th Avenue in Lakewood, which was built in the 1930s.

The new plant is being built on 100 acres of Denver Water land next to the utility’s Ralston Reservoir. The site will include seven primary buildings and multiple auxiliary facilities including tanks, clearwells, pump stations and vaults.

Here are some of the highlights from the work done during 2021:

  • Passed 50% construction completion.
  • Passed 1 million hours worked.
  • Completed all the remaining excavation needed to build the structures that will be part of the plant.
  • Placed concrete base slabs for the two underground storage tanks. Called “clearwells,” these 10-million-gallon storage tanks will hold clean, treated drinking water from the plant until it is released into Denver Water’s distribution system.
  • The concrete base of a large, treated water storage tank, or “clearwell,” was placed during one night in June 2021, marking a major milestone for the project. Photo credit: Denver Water.
  • Dried in” the first building on-site, meaning the work was done to make the exterior surfaces of the Clearwell Influent Valve Vault building impermeable to rain and weather.
  • Installed the roof and windows and applied a stone veneer on the plant’s Operations Building and started installation of mechanical, electrical and plumbing works.
  • Completed most of the necessary connections with the Moffat Treatment Plant to enable Moffat to eventually store treated water piped from the Northwater Treatment Plant once the new facility is operational.
  • Earned the Envision Gold Award from the Institute for Sustainable Infrastructure. Envision Awards recognize leadership in building sustainable infrastructure around the world and encourage those involved to consider sustainable choices throughout the life of the project.
  • An artist’s rendering of what the site of the Northwater Treatment Plant will look like when completed in 2024, along with locations of the buildings on-site. Photo credit: Denver Water.

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