The city of Lawrence says it is keeping an eye on water from the Kansas River after a sewer main leak in Topeka released about 55,000 gallons of raw sewage into the river Tuesday morning.

Topeka Water Pollution Control began emergency repairs after the leak was discovered about 10:30 a.m., according to a news release from the city of Topeka. Flow through the pipe immediately was rerouted through another line, preventing further release of sewage.

Topeka Water Pollution Control notified downstream users, including Lawrence, of the leak, according to the news release.

The city of Lawrence’s utilities programs manager, Jeanette Klamm, said the city has taken steps to prevent contamination.

“We monitor the river and have increased our carbon and chlorine feed,” Klamm said.

Klamm said the city has also increased the flow from the Clinton Reservoir Water Treatment Plant and decreased flow from the Kaw River Water Treatment Plant, which takes water from the Kansas River.

A statement from Lawrence’s official Twitter account said, “We do not anticipate any issues due to this.”

This is the third time since April that untreated or not-fully treated sewage has flowed into the river from Topeka.

About 3 million gallons of raw sewage discharged into the Kansas River in late April after a power failure at the city’s south Kansas River pump station.

Earlier this month, the city dealt with a surge of heavy rain by bypassing a secondary cleaning process and dumping as many as 50 million gallons of sewage into the river before it underwent a secondary cleaning process.