Wisconsin Administrative Code
Department of Natural Resources
NR 800 - Environmental Protection - Water Supply
Chapter NR 811 - Requirements For The Operation And Design Of Community Water Systems
Subchapter III - Source Development - Surface Water
Section NR 811.23 - Shore wells

(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.

(h) Have sloped bottoms.

(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.