Section NR 811.23 - Shore wells(1) Shore well structures shall comply with all of the following:(a) Have motors and electrical controls located above grade and above flood level.(b) Be accessible for operation and service.(c) Be designed to prevent flotation.(d) Be equipped with a minimum of 2 removable or traveling screens or an equivalent means of screening before the pump suction well. Systems with only one screen shall be provided with a bypass.(e) Provide chlorination or other chemical addition facilities for raw water transmission mains.(f) Have the intake piping valved with provisions for backflushing, testing for leaks, and control of frazil ice.(g) Have provisions for controlling surges.(i) Be designed so sanitary sewer and finished water piping located within the shore well is installed in a manner to protect the shore well water quality and preserve the quality of the finished water. It is recommended that piping not be installed above the shore well to allow for access to the piping for routine maintenance.(j) Water discharged from traveling screens and hub drains within the shore well station may discharge into the shore well.(2) The requirements in sub. (1) may be waived by the department on a case-by-case basis if it is demonstrated that they are not necessary to fulfill the other requirements of this chapter.Wis. Admin. Code Department of Natural Resources NR 811.23
CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.Amended by, CR 22-074: am. (1) (f), cr. (1) (i), (j) Register January 2024 No. 817, eff. 2/1/2024