WATERLOO — Heavy rainfall Friday forced the city to divert untreated wastewater into the storm sewers and in one case onto the ground.
Waterloo Waste Management Services said extreme precipitation overloaded the sanitary sewer system. City crews pumped from sanitary manholes into the storm sewer system leading to the Cedar River and Black Hawk Creek.
The city is required to post notices of sanitary sewer overflows on the city website under a consent decree with the U.S. Department of Justice. Those reports can be found on the Waste Management Services web page.
Many of the locations that overflowed Friday are known problem areas during heavy rainfall periods.
The consent decree is also requiring the city to make sewer improvements designed to prevent similar problems in the future.
Reported sanitary sewer overflows Friday were in the 800 block of Jane Street; La Porte and East Orange roads; Muncy Avenue and Parkhaven Drive; Muncy and Upland Avenue; West Eighth Street and Lock Avenue; West Fourth Street and Russell Road; and on WCF&N Drive.
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WATERLOO — A contractor has been hired to repair a sanitary sewer line that has been leaking…
Most of those overflows were ongoing Friday, although the West Eighth bypass involved an estimated 51,000 gallons of wastewater and the West Fourth bypass was an estimated 18,000 gallons.
The city placed signs at those locations warning residents to keep their distance.
Also, the heavy rains forced the city to close its yard waste site and the Fletcher Avenue flood gates Friday.
The National Weather Service in Des Moines said 1.14 inches of rain had fallen at the Waterloo Regional Airport between midnight and 7 a.m. Friday.
Due to flooding across the entrance road to the city’s yard waste site on Independence Avenue, the facility was closed until further notice.
Rising water in Black Hawk Creek, caused by heavy rain, led Waterloo Public Works to close the flood gates on both sides of Hope Martin Park on Fletcher Avenue. The gates will reopen when flood waters recede.