Sanitary Sewer Rehabilitation

Heavy rainfall events can cause inconvenient and costly damage to property due to sanitary sewer backups. The City of Naperville Water Utilities has implemented a strategic plan to reduce and eliminate the frequency and severity of these backups by reducing stormwater and groundwater infiltration into the sanitary sewer pipe network. This strategic plan has improved our sanitary pipe network significantly in recent years using sewer lining, manhole rehabilitation and pressure testing and grouting of joints.

The City has hired contractors to complete this work in the following areas: Cress Creek subdivision, Brookdale subdivision, Naper West Plaza, near the 5th Avenue Metra Station and along parts of W. Jefferson Avenue.

Traffic and Parking

This type of work requires large trucks and other equipment. City crews and contractors will place safety cones to keep traffic out of the immediate work area. Work will be performed in small segments and will not affect large areas at any one time. Street closures are very rare. In most cases, traffic flow and parking will be only minimally affected.

Utility Service

The only interruption you may experience is during the actual lining process. You will be asked to not use any water. This includes flushing toilets, doing laundry, showers, etc. for up to four hours duration. We will attempt to notify all affected customers and give enough notice to avoid significant inconvenience.

If you received a notice that the project was going to start on a specific date, and it appears nothing was done, please contact the Water Utility at (630) 420-6137.


You do not need to be home while this work occurs. All the work is done by the outside cleanout and the city's sanitary sewer main.  If access is needed, a city representative will contact you. The contractor will start work at 7 a.m. and stop by 5 p.m. Monday through Friday, weather permitting. 

The contractor will inform you when the work is finished, either verbally or by leaving written notification.


This type of work usually causes very little disruption to pavement and landscape. Any damage that does occur will be professionally restored after completion of each step of the work. 

Following Completion of Work

The newly lined portion of your sanitary sewer service will require little to no maintenance. However, the unlined portion may still need periodic maintenance.

After work is complete, if you smell an odd odor, please call the Water Utility at (630) 420-6137. 

Project Updates

Large Diameter Lining: Work on the stretch of W. Jefferson Avenue from Fort Hill Drive to Whispering Hills Drive began on Sept. 23, 2019, and is currently ongoing. The contractor hired to complete this project is Insituform.

Small Diameter Lining: Work in the Brookdale Subdivision and Naper West Plaza has been completed. The contractor hired to complete this project was Michels Corp.

Grouting: Work in the Cress Creek subdivision will begin the week of Oct. 21, 2019. The work will take place on Heatherton Drive, Thunderbird Lane and Kings Point Court. The contractor hired to complete this project is Michels Corp.

Manhole Rehab: Work will take place near the 5th Avenue Metra Station and will begin the week of Oct. 21, 2019. The contractor hired to complete this project is Front Range Environmental.

Manhole Upper Structure Rehab: Work will take place in various areas (see maps). Work is currently ongoing and will continue into fall 2019. The contractor hired to complete this project is Performance Pipelining Inc.