Lawn Sprinkler Winterization
The Illinois Commerce Commission requires every water supplier to develop and implement a comprehensive cross connection control program for the elimination of existing cross connections and prevention or protection from future cross connections on potable drinking water systems. Regulations are enforced to keep our drinking water safe.
Residential backflow preventers may be found on lawn irrigation systems, fire protection systems, hot water heating (boiler) systems, swimming pool fill lines, water features, etc. Backflow preventers may also be required if there is another water source on the site such as a well, pond, river, etc.
Lawn sprinkler systems should be getting winterized soon. If your backflow preventer is located outdoors, remember to either blow it out or remove and store it in a warm place for the winter. You may cover it with a blanket, towel, insulation or heat tape, however this would be insufficient protection for the winter.
Once removed, remember where you stored it. You will need to give the backflow preventer to your lawn irrigation contractor or plumber the following spring to re-install it. Plumbing Code requires that your backflow preventer be tested upon re-installation every season by a certified tester. Test results are then submitted online at TrackMyBackflow.com by your tester.
The Cross Connection Control Program is designed to safeguard public health. We ask for your cooperation with our program, its enforcement, and any requests for information that come from Aqua Backflow or Utility staff.
For questions or concerns please contact John Satter, Utility Division Supervisor, at 630-836-3051.
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