Our Service Area
View our Chicago area backflow testing locations. Chicago Backflow offers local backflow testing services in the Chicagoland area and the surrounding suburbs. Check the map to find your area with a tester near you and let us take care of all your backflow needs. As your local backflow servicer for over 40 years, we are experienced to handle a wide variety of issues on an as-needed basis and also sell an all-inclusive package at a flat rate per device.