Backflow Prevention

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The City of Olathe requires all Cross Connection systems to have an approved backflow prevention assembly installed per the adopted ICC International Plumbing Code to protect the City's water system from contamination.

Testing of the device(s) must be performed by a certified backflow tester, and results must be submitted online to our service provider, Aqua Backflow.

Contact Information

Phone: 847-742-2296
Email: Info@AquaBackflow.com

For more information or to apply for a building permit to install or remove a new backflow device, visit the Building Codes Permits and Licenses page.

Frequently Asked Questions

What is backflow?
Backflow is the reversal of flow in a water system from the normal or intended direction of flow, possibly back into the water system. It creates the opportunity for potential contaminants and pollutants from private plumbing connections in your home or business to enter the main water distribution system.

What is cross connection?
Cross Connection control is any connection between the public water supply and a source of contamination or pollution. Potential commercial/residential hazards:

Irrigation systems
Fire sprinkler systems
Boilers
Shampoo sinks
Carbonators

When are backflow tests due?
Testing is due at the installation of a new device, and retesting is based on the original install date. Aqua Backflow will send out reminder letters prior to due dates.

Why is backflow testing required?
With time and wear, devices can fail and no longer prevent backflow from occurring. By having a backflow preventer installed and tested annually, it helps the City to ensure safe water for our customers by eliminating the potential risk of Cross Connection.

What if I don't use my irrigation system?
The City no longer requires testing of residential irrigation backflow devices, but it is still highly recommended.