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Charlton: Flood project will protect neighborhoods

Community Voice

DuPage County Stormwater Management, the village of Carol Stream and Carol Stream Park District have recently broken ground on the Klein Creek Flood Mitigation Project in Carol Stream's Armstrong Park. DuPage County identified this project as a preferred flood control alternative within the Klein Creek Watershed Plan Addendum because of repeated flooding in the area, specifically in September 2008, July 2012 and April 2013. This devastating flooding not only destroyed residential properties, but also prevented emergency vehicles from entering the neighborhood. 

In 2012, the first stage of the project was underway with the demolition of the Carol Stream Park District’s outdated Aldrin Center, which was removed to make room for a flood storage reservoir. After securing state permits for the project, the first phase of flood mitigation work began this June.

In order to alleviate flooding in the area, DuPage County is constructing a two-reservoir system that will operate when water elevations in Klein Creek rise. This will help to divert floodwaters from the majority of the nearby Armstrong Park neighborhood. Reservoir One will take in water directly from Klein Creek, and upon reaching a specific elevation, water will be pumped into Reservoir Two—a much larger storage reservoir.

Construction has been split into three phases. Phase I includes construction of a gravity-operated flood control reservoir to detain floodwater, as well as construction of a larger storage reservoir with a pump station located where the southern portion of Lake George is today.

Phase II involves construction of the pump station to move water from the gravity-operated reservoir into the larger storage reservoir.

Finally, Phase III includes installation of a 60-inch siphon under Arrowhead Trail, Indianwood Drive and Thunderbird Trail to convey water from the reservoirs back into Klein Creek once river elevations have subsided following flood events. Construction of all three phases is expected to be completed in spring 2015.

Once the flood control improvements are complete, the Carol Stream Park District will enhance Armstrong Park’s recreational amenities, including baseball fields, sled hill, walking paths and children’s playground.

For regular updates during construction, please visit the Klein Creek Flood Mitigation Project webpage at

Anthony Charlton is the director of DuPage County Stormwater Management.

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