Temporary facilities and creative solutions maintain water service, budget, and cut delivery time in half
For a century, the Lewiston Water Treatment Plant has been the primary source of water for the City of Lewiston. It was due to be replaced and the City selected us to help deliver a water treatment plant retrofit.
Our design-build team led the design development and water quality analysis in partnership with IMCO Construction. The greatest design challenge was maintaining continuous water service to the community while constructing the new facility in the original facility’s footprint. After a complete system supply evaluation and water quality and water chemistry evaluation, we successfully completed the retrofit using temporary treatment trailers.
The project replaced the City’s 100-year-old traditional water treatment plant with a new automated membrane facility. This new facility is designed to provide 10 million gallons per day (MGD)—38 million litres per day (MLD)—of clean fresh water from the Clearwater River source. The design and construction included space and planning for a logical increase in production to 15 MGD (57 MLD).
Completed on time and two years ahead of the community’s schedule, the project came within three percent of the initial budget. With the water treatment plant’s retrofit in place, the City of Lewiston can provide its communities with clean, fresh water from the Clearwater River.
At a Glance
- Client
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- City of Lewiston, Idaho
- Partners
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- IMCO Construction–Design Build Lead
- Benthin & Associates
- GeoProfessional Innovation
- Control System Technologies
- Pall Water Corporation
- Award
- Design Build Institute of America, Design Build National Award of Merit 2023
Michael Fuss, Area Manager
My proudest moments are when I connect the right idea and the right team to the right project.
Andrew Nishihara, Civil Engineer
I have a passion for working with communities and helping them find creative ways to make their dollars stretch further.
Michelle Peters, Associate, Senior Process Engineer, Water
I’m an outdoor enthusiast and I’m passionate about making a positive, tangible impact in my community and the environment.
Danielle Philbrick, Water/Wastewater Engineer In Training
I’m passionate about creating a better future for the planet—and communities—through thoughtful infrastructure design.
Bryan Black, Senior Civil Engineer
I enjoy working with clients to get challenging projects built.
Craig Wilcox, Vice President, Director of Engineering Delivery
Our breadth and depth of internal technical resources aren’t only well known in the industry—we’re sought out to solve the most challenging problems.
Mike Watson, Vice President, Director, Design Build
I get satisfaction from all the projects I work on. Sure, some are bigger or more challenging than others, but at the end of the day, meeting my clients’ needs is gratifying.
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