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Chapter NR 810
REQUIREMENTS FOR THE OPERATION AND MAINTENANCE OF
PUBLIC WATER SYSTEMS
NR 810.01   Applicability.
NR 810.015   Alternative requirements.
NR 810.02   Definitions.
Subchapter I — General Operations
NR 810.03   General operational requirements.
NR 810.04   Certified operator requirement.
NR 810.05   Required sampling and testing.
NR 810.06   Operational sampling.
NR 810.07   Operational reporting.
NR 810.08   Drinking water standards.
NR 810.09   General treatment and disinfection requirements.
NR 810.10   Distribution system normal pressure.
NR 810.11   Distribution system fire flow pressure.
NR 810.12   Distribution system loss of pressure.
NR 810.13   System maintenance.
NR 810.14   Water storage facility inspections.
NR 810.15   Cross connections and interconnections.
NR 810.16   Local well regulation program.
NR 810.17   Temporary water supply and pressure.
NR 810.18   System loss and unaccounted water.
NR 810.19   Discharge of system or backwash water.
NR 810.20   Approval of operational changes or maintenance projects.
NR 810.21   Unattended water treatment plant operation.
NR 810.22   Emergency well operation.
NR 810.23   Water system security and emergency operations.
NR 810.24   Water system capacity.
NR 810.25   Operation and maintenance manuals.
NR 810.26   Other requirements.
Subchapter II — Surface Water Treatment and Groundwater Under the Direct Influence of Surface Water Treatment Operations
NR 810.27   General requirements for all surface water and groundwater under the direct influence of surface water systems.
NR 810.28   Requirements for covers on water storage structures.
NR 810.29   Basic filtration requirements.
NR 810.295   Filter backwash handling.
NR 810.30   Criteria for avoiding filtration for groundwater under the direct influence of surface water systems.
NR 810.31   Disinfection requirements for Giardia lamblia and viruses.
NR 810.32   Disinfection profiling and benchmarking.
NR 810.33   Enhanced treatment requirements for Cryptosporidium.
NR 810.34   Cryptosporidium bin classification for filtered systems.
NR 810.35   Cryptosporidium treatment requirements for filtered systems.
NR 810.36   Cryptosporidium treatment requirements for groundwater under the direct influence of surface water systems that do not filter.
NR 810.37   Cryptosporidium treatment requirement compliance schedule.
NR 810.38   Monitoring requirements.
NR 810.39   Reporting requirements.
NR 810.40   Recordkeeping requirements.
Subchapter III — Toolbox Options for Meeting Enhanced Treatment for Cryptosporidium Requirements
NR 810.41   Microbial toolbox options.
NR 810.42   Source toolbox components.
NR 810.43   Pre-filtration treatment toolbox components.
NR 810.44   Treatment performance toolbox components.
NR 810.45   Additional filtration toolbox components.
Subchapter IV — Inactivation Toolbox Components and CT Tables
NR 810.46   Inactivation toolbox components.
NR 810.47   CT table for giardia when using free chlorine at 0.5 °C or lower.
NR 810.48   CT table for giardia when using free chlorine at 5 °C.
NR 810.49   CT table for giardia when using free chlorine at 10 °C.
NR 810.50   CT table for giardia when using free chlorine at 15 °C.
NR 810.51   CT table for giardia when using free chlorine at 20 °C.
NR 810.52   CT table for giardia when using free chlorine at 25 °C.
NR 810.53   CT table for viruses when using free chlorine.
NR 810.54   CT table for Giardia lamblia when using chlorine dioxide.
NR 810.55   CT table for viruses when using chlorine dioxide.
NR 810.56   CT table for Cryptosporidium when using chlorine dioxide.
NR 810.57   CT table for Giardia lamblia when using chloramines.
NR 810.58   CT table for viruses when using chloramines.
NR 810.59   CT table for Giardia lamblia when using ozone.
NR 810.60   CT table for viruses when using ozone.
NR 810.61   CT table for Cryptosporidium when using ozone.
NR 810.62   UV dose table for Cryptosporidium, Giardia lamblia, and viruses.
NR 810.01 NR 810.01Applicability. 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 Note Note: 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 810.01 History History: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.
NR 810.015 NR 810.015Alternative requirements.
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 810.015 History History: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.
NR 810.02 NR 810.02Definitions. In this chapter:
NR 810.02(1) (1) “A.N.S.I." means the American National Standards Institute.
NR 810.02 Note Note: The ANSI address is 25 West 43rd St, New York, NY 10036.
NR 810.02(2) (2) “A.P.I." means the American Petroleum Institute.
NR 810.02 Note Note: The API address is 1220 L Street NW, Washington, DC 20005-4070.
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.
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Published under s. 35.93, Stats. Updated on the first day of each month. Entire code is always current. The Register date on each page is the date the chapter was last published.