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NR 811.41   General treatment design.
NR 811.42   Treatment of water from surface water sources.
NR 811.43   Treatment of water from groundwater sources.
NR 811.44   Pilot testing.
NR 811.45   Aeration.
NR 811.46   Arsenic removal.
NR 811.47   Clarification.
NR 811.48   Chlorination.
NR 811.49   Filtration — gravity.
NR 811.495   Filtration — pressure.
NR 811.50   Filtration — membrane.
NR 811.51   Fluoridation.
NR 811.52   Iron and manganese control.
NR 811.53   Organics removal.
NR 811.54   Ozonation.
NR 811.55   Radionuclide removal.
NR 811.56   Sequestration.
NR 811.57   Softening.
NR 811.575   Anion exchange.
NR 811.58   Stabilization.
NR 811.59   Taste and odor control.
NR 811.60   Ultraviolet (UV) Light.
NR 811.605   Treatment for other contaminants.
Subchapter VIII — Hydro-Pneumatic Tanks
NR 811.61   General.
Subchapter IX — Storage Facilities
NR 811.62   Volume and pressure.
NR 811.63   Location.
NR 811.64   Construction details.
NR 811.65   Plant storage.
NR 811.66   Distribution system storage.
Subchapter X — Distribution Systems
NR 811.67   Applicability.
NR 811.68   Ownership of municipal water distribution systems.
NR 811.685   Interconnections with other water sources.
NR 811.69   Materials.
NR 811.70   Water main design.
NR 811.71   Hydrants.
NR 811.72   Air-relief facilities and valve and meter chambers.
NR 811.73   Installation of mains.
NR 811.74   Separation of water mains and sanitary or storm sewer mains.
NR 811.75   Separation of water mains and other contamination sources.
NR 811.76   Surface water crossings.
NR 811.77   Common casing crossings.
NR 811.78   Water loading stations.
Subchapter XI — Water Pressure Booster Stations
NR 811.79   General.
NR 811.80   Location.
NR 811.81   Pumps and pressures.
NR 811.82   Storage requirements.
NR 811.83   Emergency power requirements.
NR 811.84   Station requirements.
Subchapter XII — Waste Disposal
NR 811.85   General.
NR 811.851   Sanitary wastes.
NR 811.852   Floor drainage.
NR 811.853   Backwash wastewater from iron and manganese filters.
NR 811.854   Brine wastes from ion exchange plants.
NR 811.855   Wastewater from reverse osmosis plants.
NR 811.856   Water treatment plant wastewater radionuclide content compliance with the unity equation.
NR 811.857   Backwash wastewater from lime softening water treatment plants.
NR 811.858   Lime softening sludge.
NR 811.859   Spent media.
NR 811.860   Backwash wastewater from surface water treatment plants.
NR 811.861   Alum or other coagulant sludge.
NR 811.862   Recycling backwash wastewater.
Subchapter XIII — Aquifer Storage Recovery
NR 811.87   General.
NR 811.88   ASR well performance requirements.
NR 811.89   Well construction requirements for ASR wells.
NR 811.90   Equipment, appurtenances and piping for ASR wells and ASR systems.
NR 811.91   ASR system pilot studies.
NR 811.92   ASR system development testing.
NR 811.93   Operating an ASR system.
Ch. NR 811 Note Note: Chapter NR 111 as it existed on April 30, 1992 was repealed and a new chapter NR 811 was created effective May 1, 1992. Chapter NR 811 as it existed on November 30, 2010, was repealed and a new chapter NR 811 was created effective December 1, 2010.
NR 811.01 NR 811.01Applicability. This chapter governs the general operation, design and construction of community water systems and the construction of any water system serving 7 or more single family homes, 10 or more duplex living units, 10 or more mobile homes, 10 or more condominium units or 10 or more apartment units. One duplex equals 2 living units. The standards for design and construction shall be considered minimum standards for new facilities and the minimum standards to which existing facilities shall be upgraded when improvements are undertaken at those facilities except for systems where all of the living units are owned by a single owner and the owner provides information indicating that less than 25 year-round residents will be served. These standards may be imposed on a case-by-case basis to existing facilities when the department determines that a health risk exists due to the water system. The owner shall be responsible for ensuring that the requirements of this chapter are met.
NR 811.01 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 811.01 History History: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10; CR 22-074: am. Register January 2024 No. 817, eff. 2-1-24.
NR 811.02 NR 811.02Definitions. In this chapter:
NR 811.02(1g) (1g) “ Air gap” means the unobstructed vertical distance through the free atmosphere between the lowest opening from any pipe or faucet supplying water to a tank or plumbing fixture and the flood level rim or spill level of the receptacle.
NR 811.02(1r) (1r)“ANSI" means the American National Standards Institute.
NR 811.02 Note Note: The ANSI address is 25 West 43rd St, New York, NY 10036.
NR 811.02(2) (2)“API" means the American Petroleum Institute.
NR 811.02 Note Note: The API address is 1220 L Street NW, Washington DC 20005-4070.
NR 811.02(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.
NR 811.02(4) (4)“Aquifer storage recovery" or “ASR" means placement of treated drinking water underground through a well for the purpose of storing and later recovering the water through the same well for potable use.
NR 811.02 Note Note: Underground placement of water for the purpose of restoring an aquifer is not included in the definition of “aquifer storage recovery" or “ASR."
NR 811.02(5) (5)“ASR system" means all of the ASR wells, ASR monitoring wells and related appurtenances within a municipal water system and any interconnected public water system served by the municipal water system.
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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.