The City of Fort Dodge has recently partnered with local firm, McClure Engineering Company (MEC) to investigate the condition of the City’s sanitary sewer system. Working towards this effort, MEC will be conducting several weeks of rainfall simulation on the City’s storm sewer mains.
The simulation involves temporarily plugging individual sections of the storm sewer, and then filling the mains with dyed water. A camera is then placed inside the neighboring sanitary sewer mains, where they will look for areas where the dyed water from the storm sewer may be entering into the sanitary sewer. These areas of leakage between the storm and sanitary sewers have the potential to create issues for the City’s sanitary system by hydraulically overwhelming the system and increasing the potential for back-ups in basements after significant rainfall.
Residents and businesses should be aware of the following:
* The storm sewer mains that will be flooded eventually empty into local waterways, creeks and the Des Moines River. As a result, it is possible that you may see dyed water in these local bodies of water over the next few weeks.
* The dye being used for this project is biodegradable and environmentally friendly. In addition, the dye has been approved for use by the Iowa Department of Natural Resources and is certified by NSF International to ANSI/NSF Standard 60.
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