The untreated sewage flowed into an unnamed tributary and into the Missouri River. Metropolitan Sewer District officials contacted the department this morning to report MSD staff found damage to the 24-inch forced main that resulted in the overflow. At this time, the damage is believed to have been caused by vandalism. The sewage overflowed 5,000 feet in an unnamed tributary to the Missouri River. The amount of untreated sewage released from the site is unknown at this time.The lingering question here has to be what kind of a criminal sets out to damage a sewer main?
In order to conduct repairs to the line, MSD staff turned off a pump station located at 16905 Crystal Springs Drive, Chesterfield. Contractors vacuumed up sewage during the time the pump was turned off; however, crews could not keep up with the flow of the waste and an additional 315,000 gallons of untreated sewage was discharged into Bonhomme Creek, which also flows into the Missouri River.
Both overflows have been stopped and MSD is investigating the vandalism and working on cleaning up the affected areas at this time. The Department of Natural Resources' staff notified two Missouri American Water drinking water plants in the area, which use the Missouri River as its drinking water source.
Department staff from the St. Louis Regional Office were dispatched to the site to determine the extent of the environmental damage caused by the release and oversee the cleanup. The department requested MSD staff to post signs in the area to notify the public about the situation. It is best for the public to not swim or wade in flooded waters as they can be contaminated with human and animal wastes or can include harmful contaminants.
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