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Major project in southwest Denver wraps up
Denver Water is wrapping up a major project to improve water quality and dam safety at Marston Forebay, the reservoir that feeds into Marston Treatment Plant.
The $12.5 million project, which began in mid-2014, included building a new outlet works on the north side of the forebay. The new outlet is a tower structure designed to draw water from various levels of the reservoir instead of just one, which will allow operators to send the highest-quality water to the treatment plant.
The project also included:
Constructing a platform for the outlet, connected to the dam by a new access bridge. Excavating an underwater channel for moving water to the base of the outlet. Removing outlet towers and aging pipes that passed through the north dam. Reconstructing the north dam’s embankment. Installing upgraded electrical systems and measurement devices. Improving the site by installing new pipes, connections and a drain line.
To access the site, crews had to lower Marston’s level by 25 feet, which also allowed us to make improvements to the south dam before we began refilling the reservoir in June 2015. Learn more about the project.
More Denver Water coverage here.