Per the Minnesota Plumbing Code Parts 603.5.23 through 603.5.23.4: The backflow device must be tested upon initial installation and at least annually thereafter. • Test results must be submitted to the administrative authority and to the community public water supplier within 30 days of testing. RPZ testing results will be REQUIRED to be submitted to Cottage Grove Public Works within 30 days after irrigation turn on. Failure to comply will result in irrigation turn off and additional fees.
Please submit results to: