No Easy Fix for Elmhurst Flooding

Burke/RJN team share findings for five areas hit hard last summer.

Nobody ever said fixing Elmhurst's flooding problems would be easy, and outside engineers July 18 presented a number of difficult choices the City Council will have to make. Christopher Burke of Burke Engineering and Alan Hollenbeck of Wheaton-based RJN Group discussed their four months of research during this week's City Council meeting. They identified Elmhurst's flooding woes, as well as preliminary solutions. Hollenbeck handled sanitary sewer research. RJN teams monitored spring rains and did flow testing. They looked for areas the sanitary pipes interact with the storm sewer system, which allows the inflow of “clear” storm water to be unnecessarily processed by the sanitary system. Hollenbeck discovered an "average peaking factor" of …

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