Section NR 810.17 - Temporary water supply and pressure(1) Water conduits used for the temporary supply of water because of water main breaks or replacement shall be of materials approved either by ch. SPS 382 as water service or private water main materials or by ch. NR 811 as water main materials. Piping materials may be reused but may not have been previously used for purposes other than providing potable water. The lines shall be disinfected in accordance with AWWA Standard C651-05.(2) Fire hoses may be used for emergency service to customers. However, the water consumers shall be notified by the water supplier not to use the water provided for drinking or food preparation.(3) Distribution systems or pressure zones served by a single elevated tank shall maintain normal pressures as specified in s. NR 810.10 when the tank is taken out of service for inspection and maintenance by one of the following methods: (a) Installation of one or more pressure blow-off valves on a hydrant or hydrants at the opposite end of the system from the source of water.(b) Installation of a temporary pressure tank connected to the system through a fire hydrant. The hydrant shall be flushed and disinfected prior to being connected to the pressure tank. The connection shall be with a reinforced high pressure neoprene hose dedicated for potable water use. An air compressor or other suitable means shall be provided to add air to the tank. All compressors used to routinely add air to tanks shall be oil-less. Larger capacity compressors that are not oil-less may be used temporarily to fill a tank upon startup, repair or service but shall be fitted with a filter and any other appurtenances necessary to remove particulates and oil. The pressure tank and connecting hose shall be disinfected and sampled in accordance with s. NR 810.09(4). Adequate security measures shall be provided for the tank and hose.(4) The connection to a hydrant for purposes other than fire fighting shall meet the requirements in s. SPS 382.41.Wis. Admin. Code Department of Natural Resources NR 810.17
CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10; correction in (1) and (4) made under s. 13.92(4) (b) 7, Stats., Register January 2012 No. 673.