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The original item was published from 5/19/2020 4:41:26 PM to 5/29/2020 12:13:49 PM.

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Bensenville News

Posted on: May 19, 2020

[ARCHIVED] Storm / Flash Flood Recap 5/17


Between Thursday, May 14th and Sunday, May 17th, the Village of Bensenville received more than 7.3 inches of rainfall. To put this into perspective, Bensenville’s average rainfall for the entire month of May is 3.38 inches. As a result of extreme rainfall, saturated grounds, and a high river level, storm water impacted areas throughout the Village and all of DuPage and Cook Counties.

Public Works Crews responded to more than 100 calls for flooding and worked around the clock to monitor streets and clear debris from flooded areas. Due to the excessive amounts of rainfall, the storm event resulted in backyard and street flooding, and unfortunately some basement flooding as well. All of Bensenville’s pumping systems operated at full capacity. Pumping systems throughout the Village will continue to pump at full capacity until conditions improve.

During extreme storm events, floodwater fills the Village’s underground system. In those moments, street flooding is to be expected. This space is designed to be used as storm water detention, in efforts to relieve homes of flooding by redirecting water into the streets, which then drains into the detention basins. This can take anywhere between 30 minutes to 1 hour after the rain stops based on the amount of water.

Our main storm water facility, Redmond Pond, was at full capacity during the event. Our recent $2.75 million expansion of the pond has proven to be critical in our ability to handle the rain received this past week. This project was completed in 2018 and completely funded through a CDBG-Disaster Recovery Grant from FEMA and administered through DuPage County.

The Village takes these flooding situations seriously and is constantly looking for ways to improve our flood management. If you experienced flooding in your home, whether stormwater or sewer water, please contact Public Works so they may document the backup. The Village uses this data to perform analysis of our trouble areas as well as support grant applications for funding to upgrade our storm sewer system.  For more information please contact Public Works at 630-350-3435


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