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Sewer subject of flow monitoring study

Published: Thursday, Jan. 24, 2013 5:30 a.m. CDT

GENEVA – Aldermen on Tuesday approved an engineering agreement with Walter E. Deuchler Associates Inc. of Aurora to conduct a flow monitoring study of the sanitary sewer in preparations for improvements to South River Lane.

The monitoring, which will cost $38,500, will analyze the water flows in the main sewer trunk to determine whether the sewer size is large enough or whether it needs to be replaced, officials said.

The area is susceptible to sanitary sewer overflows during heavy rain, Public Works Director Dan Dinges said.

“If you have a major rain event, you can have periods where the sewer backs up and goes into people’s basements – we try to avoid that,” Dinges said. “We want to put in these monitors and when we get a rain event this spring, see [if rain] … infiltration is getting into that sewer and getting to the point of backing up into basements.”

Dinges said the city is aware of sanitary sewer backups going south from South River Lane along the river, then west to Fargo Boulevard and Route 31.

The city plans to replace the aging water main in that area during fiscal 2014-15, so if the sanitary sewer needs replacing or other work, it will be done at the same time, officials said.

Dinges said the extent of the work could range from replacing existing pipe or spot repairs.

“We need to find out what’s going on before we decide what to do there,” Dinges said.

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