Heavy rains are blamed for five sewer overflows last month.

Hundreds of thousands of gallons of sewage spilled when sanitary sewers overflowed in five places in Manatee County over two days after heavy rains last month, the state reports.

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The amount of wastewater that spilled in the five incidents measured about 255,000 gallons. According to the Florida Department of Environmental Protection, the heavy rains caused the wastewater system to overflow.

On Aug. 17, about 15,000 gallons of wastewater overflowed from a manhole in the 6700 block of Marina Drive in Bradenton. The wastewater potentially flowed into Sarasota Bay.

The following spills were reported on Aug. 16:

About 75,000 gallons of wastewater overflowed from several manholes in the 3800 block of U.S. 301 and the 1400 block of 41st Avenue East in Ellenton. Sewage may have reached the Manatee River. Water samples were collected and submitted to the state for further analysis.

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About 22,800 gallons of wastewater overflowed from a private system in the parking lot of Winn-Dixie, 1010 53rd Ave. E. in Bradenton. Manatee County crews used a vacuum truck to recover at least half of the spill. Staff were unable to determine if the spill entered a storm drain due to the heavy rainfall.

About 25,500 gallons of sewage overflowed from a manhole in the 3700 block of 9th Street East in Bradenton. Tanker trucks were used to remove sewage from the system. Sewage entered a storm drain.

About 117,000 gallons of sewage overflowed from a manhole in the 5000 block of 30th Street West in Bradenton. Tanker trucks were used to minimize the overflow. Local storm water retention ponds were affected.