Combined Sewer Overflow April 2019

From April 27 to May 2, 2019, almost 6” of rain fell over widespread portions of Fox Metro service area, resulting in heavy flows to the wastewater treatment plant.  A short Combined Sewer Overflow event did occur on May 1 when the entire wastewater plant and excess flow facility reached maximum treatment capacity.

Fox Metro has been actively improving both the collection system and the wastewater treatment plant to transport and treat excess flows from both the combined sewer system and the separate sanitary sewer system.  Fox Metro is allowed 4 to 6 overflow events per year under federal regulations. In 2012, wastewater plant improvements included increasing the peak treatment capacity from 85 million gallons per day to 139 million gallons per day.  These improvements have dramatically reduced the amount and frequency of untreated sewage being discharged to the Fox River with Fox Metro now exceeding compliance by averaging less than 1 event per year.  Fox Metro is committed to reducing water pollution for the benefit of both public health and the environment.

During and after heavy storms, citizens can take the following actions to help reduce flows to the wastewater plant.:

  • Take showers instead of baths and take shorter showers;
  • Delay laundry and dishwashing;
  • Disconnect sump pumps that are illegally connected to the sanitary sewer; and
  • Other water conservation efforts.

Aurora, North Aurora, Boulder Hill, Montgomery, Oswego, Sugar Grove and portions of Yorkville and Batavia

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