NR 810.01NR 810.01 Applicability. This chapter governs the general operation and maintenance of all public water systems, unless noted otherwise within each section. This chapter shall apply to each public water system, unless the public water system meets all of the following conditions:

NR 810.01(1)(1) Consists only of distribution and storage facilities, and does not have any collection or treatment facilities.

NR 810.01(2)(2) Obtains all of its water from, but is not owned or operated by, a public water system to which such regulations apply.

NR 810.01(3)(3) Does not sell water to any person.

NR 810.01(4)(4) Is not a carrier which conveys passengers in interstate commerce.

NR 810.01 NoteNote: The authority to promulgate and enforce these rules is contained in chs. 280 and 281, Stats. Pursuant to s. 299.97, Stats., any person who violates this chapter shall forfeit not less than $10 nor more than $5,000 for each violation. Each day of continued violation is a separate offense.

NR 810.015(1)(1) If the owner of a water system determines that compliance with the operation and maintenance requirements of this chapter is impracticable, the owner may submit in writing to the department a request to use alternative criteria. This request shall contain the reasons that compliance with the operation and maintenance criteria is impracticable and alternative criteria for which department approval is sought and all pertinent facts, data, reports and studies supporting the proposed alternative.

NR 810.015(2)(2) If the department determines that compliance with the operation and maintenance requirements of this chapter would be impracticable in any specific case, or that an alternative proposed has additional benefits with adequate safeguards, it may approve alternative criteria which are in substantial compliance with the requirements of this chapter.

NR 810.02(1)(1) “A.N.S.I.” means the American National Standards Institute.

NR 810.02(2)(2) “A.P.I.” means the American Petroleum Institute.

NR 810.02(3)(3) “Approval” means the written approval of the department for any project requiring approval pursuant to s. 281.41, Stats., and s. NR 108.03 for community systems, and s. NR 812.09 for non-community systems.

NR 810.02(4)(4) “ASTM” or “ASTM International” means the organization formerly known as the American Society for Testing and Material.

NR 810.02 NoteNote: The ASTM or ASTM International address is 100 Barr Harbor Drive, PO Box C700, West Conshohocken, Pennsylvania 19148-2959.

NR 810.02(5)(5) “A.W.W.A.” means the American Water Works Association.

NR 810.02(6)(6) “Community water system” means a public water system which serves at least 15 service connections used by year-round residents or regularly serves at least 25 year-round residents. Any water system serving 7 or more homes, 10 or more mobile homes, 10 or more apartment units, 10 or more duplex units, or 10 or more condominium units shall be considered a community water system unless information is provided by the owners indicating that 25 year-round residents will not be served.

NR 810.02(7)(7) “Consecutive system” means a public water system that receives some or all of its finished water from one or more wholesale suppliers or wholesaler systems through a master metering system. This system may also be known as a wholesale purchaser or wholesale customer. Delivery may be through a direct connection or through the distribution system of one or more consecutive systems.

NR 810.02(8)(8) “Conventional filtration treatment” means a series of processes including coagulation, flocculation, sedimentation, and filtration resulting in substantial particulate removal.

NR 810.02(9)(9) “Cross connection” means a connection or potential connection between any part of a water supply system and another environment containing substances in a manner that, under any circumstances, would allow the substances to enter the water supply system by means of back siphonage or back pressure.