Wastewater enters backwaters of Saylorville Lake

POLK CITY, Iowa (AP) — An unknown amount of wastewater has been released into the backwaters of Saylorville Lake in central Iowa.

The state Department of Natural Resources says a pressurized sewer force main in Polk City sprang a leak, affecting the Polk City Wildlife Refuge. The break was reported Wednesday night after liquid was seen bubbling up through a roadbed.

City officials, who later shut off the main, believe the discharge ran for about three hours. It flowed into a road ditch and then to backwaters of Saylorville Lake north of the marina.

DNR spokesman Bill Gibbons says a barrier dam may have limited the wastewater discharge. He says the wastewater would have been very dilute because it entered the backwaters about a quarter mile north of the barrier.

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