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UDF Flushing Program Resumption in Sanitary District 4

In 2016, the Sanitary Engineer began its distribution system flushing program called Unidirectional Flushing (UDF).  A UDF program involves closing valves in a specific sequence to create water movement in one direction while opening specific fire hydrants at the end of that sequence. The UDF technique allows higher water flow velocities by isolating certain sections of water mains. The higher water velocity allows for better scouring of the pipes and will use 40% less water in the flushing process than conventional flushing methods, which the Sanitary Engineer and Fire Department has historically utilized.

The Sanitary District 4 area was unable to be completed in 2016 due to weather and construction. One more area needs to be flushed and that area is south of West Broad Street from Postle Boulevard east to Emmit Avenue and south to Sullivant Avenue. Flushing will begin on Postle on Thursday May 4 and continue eastward to completion on Emmit on May 10, weather permitting.

UDF should have minimal impacts to customers.  Flushing will usually occur Monday through Friday, between 8 a.m. and 4 p.m.  During flushing, residents may notice temporarily discolored water and lower than normal water pressure. The discoloration does not pose a health risk. However, avoid using tap water or running the washing machine or dishwasher until flushing is complete. See the customer fact sheet for more information.

Door hangers will be used distributed stating the day of the planned flushing.  These will be posted at least 24 hours ahead of the planned activity in your area. Those in apartments only accessible from the inside of a building be aware that notices will only be posted at the entrance doors or mailbox areas.

Commissioners Receive Report on Water, Sewer Operations

The Franklin County Commissioners have received a report on a contracted review of the county’s Department of Sanitary Engineering, which provides water and sewer service to about 7,000 county residents.  The commissioners contracted in April with Raftelis Financial Consultants to provide the professional review, which covered operations, costs of service, contractual agreements, and rates, among other topics.

The complete 108-page report may be downloaded below.

New Water and Sewer Discount Program for Low Income Residents

The Franklin County Commissioners have approved a discount program for low-income water and sewer customers. The Department of Sanitary Engineering provides water and sewer service to approximately 40,000 residents. The Low Income Water and Sewer Discount Program will offer a 20% discount on charges for water and sewer usage to customers who meet certain income requirements.

Water Conservation Tips

Through simple daily tasks or the installation of water-efficient products, there are many ways to decrease water and energy use - which saves money on utility bills. When it comes to home repairs, time is of the essence: if you find a leaky pipe: a seemingly small leak can waste 70-100 gallons of water per day.

Water Quality Reports

The Department of Sanitary Engineering is responsible for providing a safe and dependable supply of drinking water to 40,000 residents in Franklin County.

Each year the department is required to provide a Water Quality Report for each district that provides a scientific analysis of the water to its customers.

Here are the reports for 2016:


The Sanitary Engineer provides safe water and sewer services for the residents of Franklin County in order to protect both our environment and our standard of living.

Kevin L. Boyce President
Marilyn Brown
John O'Grady