Section NR 811.68 - Ownership of municipal water distribution systems(1) MUNICIPAL OWNERSHIP. The distribution system of a municipal water system shall be owned and maintained by the waterworks owner.(2) MUNICIPALLY OWNED MAINS ON PRIVATE PROPERTY. All water mains and other distribution system components owned by a municipal water system on private property shall be installed in permanent easements. Note: To assure the use of approved materials and proper installation and maintenance, the department recommends that fire hydrants and water mains to be constructed on private property be installed in permanent easements and owned and maintained by the waterworks owner.
(3) PRIVATELY OWNED LOOPED MAINS AND PRIVATE WATER SERVICES REQUIRING CHECK VALVES. Water mains and water services to be connected to the publicly owned distribution system at more than one point may be privately owned and maintained provided that a check valve is installed on the water main at each point of connection to the distribution system to prevent water from flowing back into the distribution system. Each check valve shall be located in a manhole or vault and shall be immediately preceded and followed by a buried or exposed shut-off valve on the main. The water supplier shall have access to the manholes and valves for inspection purposes.Wis. Admin. Code Department of Natural Resources § NR 811.68
CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.Amended by, CR 22-074: am. (2), (3) Register January 2024 No. 817, eff. 2/1/2024A drain fitting may be added on the piping between the check valve and the gate valve on the public water system side of the check valve. The gate valve may be closed and the drain fitting opened to periodically check for leakage through the check valve. Refer to s. SPS 382.40 for standards for the construction of private water mains.