NR 811.02(38)(38) “Living unit” means a residence, apartment unit, condominium unit, duplex unit, manufactured home, or other domicile. NR 811.02(38m)(38m) “Maximum contaminant level” means the maximum permissible level of a contaminant in water that is delivered to any user of a public water system. NR 811.02(39)(39) “Membrane filtration” means a pressure or vacuum driven separation process in which particulate matter larger than 1 micrometer is rejected by an engineered barrier, primarily through a size-exclusion mechanism, and which has a measurable removal efficiency of a target organism that can be verified through the application of a direct integrity test. It includes the common membrane technologies of microfiltration, ultrafiltration, nanofiltration, and reverse osmosis. NR 811.02(40)(40) “Monitoring well” means a well or drillhole constructed for the purpose of obtaining information on the physical, chemical, radiological or biological characteristics of the groundwater. NR 811.02(41)(41) “Municipal water system” means a community water system owned by a city, village, county, town, town sanitary district, utility district, public inland lake and rehabilitation district, municipal water district or a federal, state, county or municipal owned institution for congregate care or correction, or a privately owned water utility serving the foregoing. NR 811.02(42)(42) “Nephelometric turbidity units” or “NTUs” means the units used to describe turbidity. Nephelometric refers to the way the instrument, a nephelometer, measures how much light is scattered by suspended particles in the water. NR 811.02(43)(43) “Non-community water system” means a public water system that is not a community water system. A non-community water system may be either a non-transient non-community water system or a transient non-community water system. NR 811.02(44)(44) “NSF or NSF International” means the organization formerly known as the National Sanitation Foundation. NR 811.02 NoteNote: The NSF or NSF International address is PO Box 130140, 789 N. Dixboro Road, Ann Arbor, Michigan 48113-0140.
NR 811.02(45)(45) “Other-than-municipal (OTM) water system” means a community water system that is not a municipal water system. NR 811.02(46)(46) “Owner” means any person who owns or operates a public water system. NR 811.02(46m)(46m) “Packer” means a solid or inflatable seal lowered into a well or drillhole or attached to a casing string to seal off a specific interval within the well or drillhole. NR 811.02(47)(47) “Peak demand” means the maximum water demand in gallons per minute at any given time. The peak demand is sometimes estimated to be 2.0 times the total maximum day water use in gallons averaged over 1,440 minutes/day or the peak hour demand in gallons per minute on the maximum day of use. NR 811.02(48)(48) “Person” means an individual, corporation, company, association, cooperative, trust, institution, partnership, state, municipality or federal agency. NR 811.02(49)(49) “POWTS” means a private onsite wastewater treatment system. NR 811.02(50)(50) “POWTS component” means any subsystem, subassembly or other system designed for use in or as part of a private onsite wastewater treatment system which may include treatment, dispersal or holding, and related piping. NR 811.02(51)(51) “POWTS dispersal component” means a device or method that is intended to promote the assimilation of treated wastewater by the environment. NR 811.02(52)(52) “POWTS holding component” means any receptacle intended to collect wastewater for a period of time, including holding and dosing tanks. NR 811.02(53)(53) “POWTS treatment component” means a device or method that is intended to reduce the contaminant load of wastewater. NR 811.02(54)(54) “Professional engineer” or “PE” means an individual licensed as a professional engineer by the Wisconsin Department of safety and professional services. NR 811.02(55)(55) “Protective casing” means the well casing providing the primary sanitary protection and that is grouted in place to a department approved depth. NR 811.02(56)(56) “Public water system” or “system” or “PWS” means a system for the provision to the public of piped water for human consumption through pipes or other constructed conveyances, if the system has at least 15 service connections or regularly serves an average of at least 25 individuals daily at least 60 days out of the year. A public water system is either a “community water system” or a “non-community water system.” A system: NR 811.02(56)(a)(a) Includes any collection, treatment, storage and distribution facilities under control of the operator of the system and used primarily in connection with the system. NR 811.02(56)(b)(b) Includes any collection or pretreatment storage facilities not under the system’s control which are used primarily in connection with the system. NR 811.02 NoteNote: The definition of public water system as regulated by this chapter is broader and includes more water systems than those governed by the public service commission under its definition of a public utility in ch. 196, Stats. NR 811.02(57)(57) “Pump installer” or “licensed pump installer” has the same meaning as “licensed pump installer,” given in s. 280.01 (2e), Stats. NR 811.02 NoteNote: The statutory definition of “licensed pump installer” is any individual who has paid the annual license fee under s. 280.15 (2m) (c) 2., Stats., and obtained a license under s. 280.15 (2m), Stats., as a pump installer. NR 811.02 NoteNote: The statutory definition of “pump installing” means the industry and procedure employed in the placement and preparation for operation of equipment and materials utilized in withdrawing or obtaining water from a well for consumption or use, including all construction involved in making entrance to the well and establishing such seals and safeguards as are necessary to protect such water from contamination.
NR 811.02(59)(59) “Recharge area” means the total land area contributing water to a well. NR 811.02(60)(60) “Regional flood” means a flood determined to be representative of large floods known to have occurred in Wisconsin or which may be expected to occur on a particular lake, river or stream once in every 100 years. NR 811.02(61)(61) “Residual disinfectant concentration” (“C” in CT calculations) means the concentration of disinfectant measured in mg/l in a representative sample of water. NR 811.02(63)(63) “SCADA” means Supervisory Control and Data Acquisition, a computer system used for gathering and analyzing real time data used to monitor and control water systems and their components. NR 811.02(63m)(63m) “Shore well” means a storage structure hydraulically connected to a surface water source designed for the diversion and collection of raw water. NR 811.02 NoteNote: Section 281.34 (1) (f), Stats., defines “spring” to mean “an area of concentrated groundwater discharge occurring at the surface of the land that results in a flow of at least one cubic foot per second at least 80% of the time.” NR 811.02(64m)(64m) “Supernatant” means the liquid removed from settled sludge. NR 811.02(65)(65) “Supplier of water” has the same meaning as “owner” given in sub. (44). NR 811.02(66)(66) “Surface water” means all water which is open to the atmosphere and subject to surface runoff. NR 811.02(67)(67) “Surface water systems” means public water systems using surface water or groundwater under the direct influence of surface water as a source and that are subject to the requirements of 40 CFR 141, subpart H, P, and W, which contains the national primary drinking water regulations. NR 811.02(68)(68) “Treated drinking water” means potable water that has been subjected to treatment methods approved by the department to comply with the primary drinking water standards contained in ch. NR 809 and which is obtained directly from a municipal water system via piping from the municipal water distribution system to the point of underground injection. NR 811.02(69)(69) “Underground injection” means placement of any substance underground through a well, drillhole or water system. NR 811.02(70)(70) “Utility” means a public utility as defined in ch. 196, Stats. NR 811.02(72)(72) “Variable output control device” means a physical or electronic device such as a control valve, variable speed drive unit, variable frequency drive unit or similar device to be used to control the gallon per minute pump discharge rate and/or distribution system pressure. NR 811.02(73)(73) “Virus” means a virus of fecal origin which is infectious to humans by waterborne transmission. NR 811.02(74)(74) “Waterworks” or “water system” means all facilities, structures, pipes, conduits and appurtenances by means of which water is delivered to consumers except piping and fixtures inside buildings served, water services and private water mains as defined in ch. SPS 381. NR 811.02 NoteNote: Section 281.34 (1) (h), Stats., defines “well” to mean “any drillhole or other excavation or opening deeper than it is wide that extends more than 10 feet below the ground surface and is constructed for the purpose of obtaining groundwater.” NR 811.02(76)(76) “Well driller” or “licensed well driller” has the same meaning as “licensed well driller,” given in s. 280.01 (2m), Stats. NR 811.02 NoteNote: The statutory definition of “licensed well driller” is any individual who has paid the annual license fee under s. 280.15 (2m) (c) 1., Stats., and obtained a license under s. 280.15 (2m), Stats., as a well driller. NR 811.02 NoteNote: The statutory definition of “well drilling” is the industry and procedure employed in obtaining groundwater from a well by digging, boring, drilling, driving or other methods but not including the driving of points for the purpose of obtaining groundwater. It shall also include all construction work and installation of well casings in said well involved therein for the protection of such well water against pollution.
NR 811.02(78)(78) “WPDES permit” means the Wisconsin pollutant discharge elimination system permit issued by the department under ch. 283, Stats., for the discharge of pollutants. NR 811.02(79)(79) “Year-round resident” means a resident who resides in the same living unit for 6 months per year or more. NR 811.02(80)(80) “Zone of influence” means the area of the cone of groundwater depression formed when the well pump is operating. NR 811.02 HistoryHistory: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10; correction in (23), (74) made under s. 13.92 (4) (b) 7., Stats., Register December 2011 No. 672; correction in (54) made under s. 13.92 (4) (b) 6., Stats., Register February 2012 No. 674; CR 22-074: renum. (1) to (1r), cr. (1g), (19m), (29m), (37d), (37h), (37p), (37t), (38m), (46m), (63m), (64m) Register January 2024 No. 817, eff. 2-1-24. NR 811.03(1)(1) If the owner of a proposed reviewable project determines that compliance with the design requirements of this chapter is impracticable, the owner may submit in writing to the department prior to submission of final plans a request to use alternative criteria. This request shall contain the reasons that compliance with the design 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 811.03(2)(2) If the department determines that compliance with the design 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 811.03 HistoryHistory: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10. NR 811.04NR 811.04 Drinking water standards. Where practical, the quality of the raw water source shall meet the primary maximum contaminant levels of ch. NR 809 and other applicable requirements of ch. NR 809 and this chapter without treatment. In all cases, the quality of finished water supplied to consumers at the point-of-entry to the distribution system shall meet the primary drinking water standards contained in ch. NR 809. Department-approved water treatment shall be installed where necessary to meet this requirement. NR 811.04 HistoryHistory: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10. NR 811.05NR 811.05 Underground placement of substances. The use of any well, drillhole or water system for the underground placement of any substance shall be prohibited unless it is a department approved activity necessary for the construction, rehabilitation or routine operation of the well or water system. NR 811.05 HistoryHistory: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10. NR 811.06NR 811.06 Cross-connections and interconnections. Unprotected cross-connections are prohibited. Cross-connections shall be protected as required in s. SPS 382.41. Water system interconnections are prohibited except as provided in s. NR 811.07. NR 811.07NR 811.07 Interconnections with other acceptable water sources. Interconnections between the public water supply system and another source of water are prohibited unless permitted by the department in individual cases. Approval of the department shall be obtained prior to making the interconnection. NR 811.07 HistoryHistory: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10. NR 811.08(1)(1) Plans and specifications required. The owner of a community water system shall submit plans and specifications for all reviewable projects in accordance with ch. NR 108. Plans and specifications shall comply with or incorporate the general design and operating requirements in this chapter and chs. NR 108 and 810. Worksheets shall be included with all submittals for reviewable projects for which applicable worksheets are provided by the department. NR 811.08(2)(2) Approvals required. Written department approval shall be obtained prior to starting construction for all reviewable projects as defined by s. NR 108.03 (1). The department may deny approval or grant a limited approval in cases where the requirements of this chapter are not met. NR 811.08(3)(3) Projects requiring department approval but not requiring submittal by a professional engineer. The requirements for the submittal of plans and specifications for reviewable projects are in ch. NR 108. The water supply owner or the owner’s representative may submit reviewable projects to the department for approval without the seal of a professional engineer registered in Wisconsin for most operation and maintenance work and for all non-subdivision, other-than-municipal water systems as provided under s. NR 108.04 (2) (c) 2. Plans shall be submitted by a registered well driller or pump installer when applicable. The following are examples of projects not requiring a professional engineer’s seal: NR 811.08(3)(a)(a) Pump replacement with similar equipment not affecting pumping capacity. NR 811.08(3)(b)(b) Test well construction when to be pumped at a rate of 70 gallons per minute or more for a minimum duration of 72 hours, unless the well is to be converted to a municipal or subdivision well. NR 811.08(3)(e)(e) Pumphouse pump discharge piping and appurtenance replacement. NR 811.08(3)(g)(g) Changing chemical type or blend when the chemical feed equipment has been previously approved by the department. NR 811.08(3)(h)(h) Painting or coating elevated water storage tank, reservoir, and hydro-pneumatic tank interiors. NR 811.08 HistoryHistory: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10; CR 22-074: renum. (3) to (3) (intro.) to (h) and am. Register January 2024 No. 817, eff. 2-1-24. NR 811.09NR 811.09 Specific requirements for waterworks, plans, specifications and engineering reports. NR 811.09(1)(a)(a) General. The detailed construction plans shall contain appropriate plan and profile views, elevations, sections and supplemental views which together with the specifications provide all necessary information for construction of the improvements. The elevations shall be based on sea level datum or local datum when a conversion to sea level datum is provided. Manufacturer’s drawings are not acceptable as construction plans and will not be approved. Other state and local codes, including those of the department of safety and professional services, the public service commission, and the department of health services, shall be consulted for other requirements where applicable. NR 811.09(1)(b)1.1. A general plan shall be submitted which shows the location of the proposed well and its relation to proposed or existing water supply facilities. It shall show all features of sanitary significance which could have an effect on water quality. A separate well site plan shall be submitted which shows the property lines, contours or an appropriate number of spot elevations so that drainage can be determined, surficial features, structures, and any other relevant data. The well site plan shall also show the locations of all the observation wells, monitoring wells, test wells, treatment wells, or other wells to be constructed in relation to the well site and all permanent supply wells to be constructed on the site. A detailed well cross-section shall be submitted which shows the size and depths of drill holes and casings, depth of grout, and geological formations to be penetrated.
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Chs. NR 800- ; Environmental Protection – Water Supply
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