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 VI - Chemical Addition
Section NR 811.38 - General

This subchapter contains general requirements for the design and construction for chemical storage, handling, and addition facilities. Specific treatment design requirements are contained in subch. VII. Specific operating requirements are contained in subch. I of ch. NR 810. No chemicals may be applied to treat drinking water unless approved by the department. This requirement applies to first time application, temporary application, or when it is proposed to replace one chemical with another. The department shall be contacted prior to discontinuing the use of any chemical.