Annual RPZ/Backflow Testing

RPZ backflow devices are required by the State of Minnesota to be inspected & tested annually. Testing can only be completed by those certified by the State of Minnesota to inspect RPZ/Backflow prevention devices. DLI Information

In addition, the City of Cottage Grove also requires ALL RPZ testing to be completed annually & testing submitted to Public Works.

Testing Results can be submitted electronically or by mail using the forms below:

RPZ/Backflow Testing Form (Fillable)

RPZ/Backflow Testing Form (Printable)

Please contact Public Works with any questions:

651-458-2808 or cgpublicworks@cottagegrovemn.gov