Chapter NR 810

Register November 2010 No. 659

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 0.5nC or lower.

NR 810.48   CT table for giardia when using free chlorine at 5nC.

NR 810.49   CT table for giardia when using free chlorine at 10nC.

NR 810.50   CT table for giardia when using free chlorine at 15nC.

NR 810.51   CT table for giardia when using free chlorine at 20nC.

NR 810.52   CT table for giardia when using free chlorine at 25nC.

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 810.01 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.