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Water Division

One of the most important jobs of the Public Works Department is to ensure that the residents of Tinley Park have a safe, dependable water supply. For this reason, the Water and Sewer Division works to ensure that our sanitary sewer system and water system are up-to-date and functioning properly at all times.

For more information, contact Water Superintendent Joe Fitzpatrick at (708) 444-5500 or or Water Foreman Ken Howard at (708) 444-5500 or

Village to deliver utility delinquency notices via post office
The Village will no longer deliver utility delinquency notices in person in an effort to reduce technician contact due to COVID-19. Instead, the Village will deliver these notices via postal service, which will decrease notification time as well. Utility delinquency notices will come in utility bill format, but with a red color highlighting that it is a delinquency notice showcasing outstanding balances. Payment instructions will be included. If you have any questions, please call the Tinley Park Public Works Department at (708) 444-5500.

Disconnect hoses to prevent damage
The Tinley Park Public Works Department would like to remind residents that they should disconnect hoses from outside spigots. Leaving hoses hooked up could cause damage to the outside spigots or, in some cases, the inside plumbing. With dropping temperatures, any water left in hoses could freeze and expand into the spigot and possibly into the piping beyond the spigot. Read this WikiHow article for more information.

Backflow Preventer Use Survey
The Illinois Environmental Protection Agency (IEPA) requires every water supply to develop and implement a cross connection (backflow prevention) control program. A requirement of the program is to send a survey to all residential water customers every two years. Visit the Village website for more information on water backflow assembly.

Lawn Sprinkler and Commercial RPZ Certification
Every drinking water system in Illinois must have a cross connection control program, more commonly known as a backflow prevention program. Backflow prevention is designed to protect the public water supply from contamination from non-drinkable sources. Backflow prevention devices are required on all commercial and residential properties where contamination hazards exist. These devices must be maintained and tested annually to ensure that they are working properly.

The State of Illinois requires that every backflow device be inspected annually by a certified backflow tester, and every city that operates a public water system is responsible for making sure that this is done. The Village of Tinley Park has contracted with Backflow Solutions Inc. (BSI) to manage the City’s backflow inspection program.

BSI has experience managing similar programs for municipalities across the country, including many in the Chicago area. BSI will serve as the primary point of contact for backflow inspections within the Village of Tinley Park and can be contacted through their website at If you have any additional questions, please call the Public Works Department at (708) 444-5500.

Sewer Blockage Tips
The Village is here to assist residents in any way it can with sewer issues. Here are some tips on what to do if you have a sewer blockage or other problem.

Water and Sewer Hotline
For the most current information about Tinley Park's water and sewer systems, please call our information line at (708) 444-5555.