NR 810.02(19)(19) “Entry point” means a location in the water system after treatment or chemical addition, if any, but prior to the distribution system. NR 810.02(20)(20) “Filtered system” means a public water system that is required to use filtration to meet the basic filtration requirements of s. NR 810.29. NR 810.02(21)(21) “Filter profile” means a graphical representation of individual filter performance, based on continuous turbidity measurements or total particle counts versus time for an entire filter run, from startup to backwash inclusively, that includes an assessment of filter performance while another filter is being backwashed. NR 810.02(22)(22) “Filtration” means a process for removing particulate matter from water by passage through porous media. NR 810.02(23)(23) “Groundwater” means any of the waters of the state, as defined in s. 281.01 (18), Stats., occurring in a saturated subsurface geological formation of rock or soil. NR 810.02(24)(24) “Groundwater source” means all groundwater obtained from horizontal collectors, infiltration lines, springs, and dug, drilled or other types of wells. NR 810.02(25)(25) “Groundwater under the direct influence of surface water” or “GWUDI” means any water beneath the surface of the ground with either: NR 810.02(25)(a)(a) Occurrence of insects or other macroorganisms, algae or large diameter pathogens such as Giardia lamblia or Cryptosporidium, in greater than or equal to 10% of representative source water samples collected over a period of 6 months, immediately prior to the first or only point of disinfectant application. NR 810.02(25)(b)(b) Evidence of relatively rapid shifts in water characteristics such as turbidity, temperature, conductivity, or pH which closely correlate to climatological or surface water conditions where the department determines that these shifts are indications of the potential for contamination of the groundwater by the organisms identified in par. (a). NR 810.02(26)(26) “Living unit” means a residence, apartment unit, condominium unit, duplex unit, manufactured home or other domicile. NR 810.02(27)(27) “Membrane filtration” means a pressure or vacuum driven separation process in which particulate matter larger than one 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. This definition includes the common membrane technologies of microfiltration, ultrafiltration, nanofiltration, and reverse osmosis. NR 810.02(28)(28) “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 810.02(29)(29) “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 810.02(30)(30) “Non-transient non-community water system” or “NTNCWS” means a non-community water system that regularly serves at least 25 of the same persons over 6 months per year. NR 810.02 NoteNote: Examples of non-transient non-community water systems include those serving schools, day care centers and factories.
NR 810.02(31)(31) “NSF” or “NSF International” means the organization formerly known as the National Sanitation Foundation. NR 810.02 NoteNote: The NSF or NSF International address is PO Box 130140, 789 N. Dixboro Road, Ann Arbor, Michigan 48113-0140.
NR 810.02(32)(32) “Operator-in-charge” means the person designated by the owner of the waterworks to be in direct responsible charge of a subclass of operations of the waterworks. Not included in this definition are utility managers, city engineers, directors of public works or the equivalent, who are not actually involved in day-to-day operations. NR 810.02(33)(33) “Other-than-municipal water system” or “OTM” means a community water system that is not a municipal water system. NR 810.02(34)(34) “Person” means an individual, corporation, company, association, cooperative, trust, institution, partnership, state, municipality, or federal agency. NR 810.02(35)(35) “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 810.02(35)(a)(a) Includes any collection, treatment, storage and distribution facilities under the control of the operator of a system and used primarily in connection with the system. NR 810.02(35)(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 810.02 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 810.02(36)(36) “Residual disinfectant concentration” (“C” in CT calculations) means the concentration of disinfectant measured in mg/l in a representative sample of water. NR 810.02(38)(38) “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 810.02(39)(39) “Slow sand filtration” means a process involving passage of raw water through a bed of sand at low velocity, generally less than 0.4 m/h, resulting in substantial particulate removal by physical and biological mechanisms. NR 810.02(40)(40) “Surface water” means all water which is open to the atmosphere and subject to surface runoff. NR 810.02(41)(41) “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 810.02(42)(42) “Transient non-community water system” or “TNCWS” means a non-community water system that serves at least 25 people at least 60 days of the year but does not regularly serve at least 25 of the same persons over 6 months per year. NR 810.02 NoteNote: Examples of transient non-community water systems include those serving taverns, motels, restaurants, churches, campgrounds and parks.
NR 810.02(43)(43) “Unfiltered system” means a public water system using groundwater under the direct influence of surface water that is not a filtered system. NR 810.02(44)(44) “Utility” means a public utility as defined in ch. 196, Stats. NR 810.02(46)(46) “Virus” means a virus of fecal origin which is infectious to humans by waterborne transmission. NR 810.02(47)(47) “Water storage facilities” means vented reservoirs, water towers, standpipes and treatment plant basins including ground and elevated storage structures. It does not include hydropneumatic tanks or natural surface water bodies. NR 810.02(48)(48) “Water supplier” means any person who owns or operates a public water system. NR 810.02(49)(49) “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 810.02(50)(50) “Well” means an excavation or opening into the ground made by digging, boring, drilling, driving or other methods for the purpose of obtaining groundwater. NR 810.02(51)(51) “Well driller” means a person defined as a well driller by s. 280.01 (2m), Stats. NR 810.02(52)(52) “Wholesale” or “wholesaler system” means a public water system that treats source water as necessary to produce finished water and then delivers some or all of that finished water to another public water system through one or more master meters. Delivery may be through a direct connection or through the distribution system of one or more consecutive systems. NR 810.02(53)(53) “WPDES permit” means the Wisconsin pollutant discharge elimination system permit issued by the department under ch. 283, Stats., for the discharge of pollutants. NR 810.02 HistoryHistory: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10; correction in (51) made under s. 13.92 (4) (b) 7., Stats., Register November 2010 No. 659; correction in (18) and (49) made under s. 13.92 (4) (b) 7., Stats., Register January 2012 No. 673. NR 810.03NR 810.03 General operational requirements. The water supplier shall be responsible for ensuring that the public water system is operated and maintained to provide an adequate quantity of safe drinking water to those consumers served by the supplier. This responsibility includes maintaining or contracting for an adequate number of trained staff to perform all duties necessary, performing maintenance and replacement of equipment when necessary to keep the facilities in good operating condition, and providing adequate laboratory testing equipment to control and monitor treatment processes and chemical addition programs. All water suppliers for community systems shall operate the public water system within the design parameters of ch. NR 811 and all parameters of the specific plan approvals for that system. This responsibility also includes ensuring that sufficient fiscal resources are available for adequate operation and maintenance. NR 810.03 HistoryHistory: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10. NR 810.04NR 810.04 Certified operator requirement. The water supplier shall provide certified operators as follows: NR 810.04(4)(4) Transient non-community water systems are exempted from certified operator requirements. NR 810.04(5)(5) The department shall be notified within 30 days when the water supplier has employed a new operator-in-charge for each subclass. The operator’s name, contact information, and certification number shall be sent to the department after being hired. NR 810.04 HistoryHistory: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10. NR 810.05NR 810.05 Required sampling and testing. The water supplier shall be responsible for sampling, testing and reporting treatment plant and distribution system water quality information to the department, in accordance with the applicable requirements of this chapter and chs. NR 108, 140, 149, 809, and 811. The department may require the installation of sample hydrants if sufficient, representative sample locations are not reasonably accessible in the distribution system. NR 810.05 HistoryHistory: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10. NR 810.06NR 810.06 Operational sampling. Sampling and testing, in addition to the required sampling and testing required in s. NR 810.05, shall be performed by the water supplier as required by the department in writing. The department may require additional sampling and testing when necessary to verify water quantity and quality, treatment plant effectiveness, adequate distribution system operation, and to protect water consumers. NR 810.06 HistoryHistory: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10. NR 810.07(1)(1) Water suppliers for the following public water systems shall submit monthly reports in a form or format as required by the department to the appropriate regional office of the department: NR 810.07(1)(b)(b) Other-than-municipal water systems which have chemical or physical treatment. NR 810.07(1)(c)(c) Any public water system with a pumping capacity of 70 gpm or more. NR 810.07(1)(d)(d) Any other public water system as required by the department. NR 810.07(2)(2) Reports shall include all the following data, if applicable: NR 810.07(2)(d)(d) Results of chemical, physical, or other tests performed for plant control. NR 810.07(2)(e)(e) Calculated theoretical daily residuals and residual test results. NR 810.07(2)(f)(f) Groundwater depth measurements, static and pumping, at least weekly where applicable. NR 810.07(2)(g)(g) Totals and averages of the above where spaces are provided on the report form. NR 810.07(3)(3) For other-than-municipal and non-community water systems, the frequency of pumpage and chemical treatment data collection may be reduced by approval of the department in writing, but for those water systems with chemical treatment, in no case shall it be less than twice per week. Reduced frequency shall only be considered in cases where treatment is not required to meet primary drinking water standards for coliform bacteria, fecal coliform, Cryptosporidium, Giardia lamblia, viruses, nitrate, nitrite, chlorate, or chlorite. NR 810.07(4)(4) Computer generated forms developed by the water supplier are acceptable if, at a minimum, all the required data are submitted on the form, and if the form of the report receives the approval of the department prior to use. Electronic submittal of the reporting forms shall be allowed if done in a form and format approved by the department. NR 810.07(5)(5) Monthly reports for municipal water systems shall be signed by the operator-in-charge or an operator certified in the applicable treatment process employed by the water supplier. At other-than-municipal and non-transient non-community water systems, reports shall be signed by the small system certified operator. NR 810.07 HistoryHistory: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10. NR 810.08NR 810.08 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 by public water systems shall meet the primary drinking water standards contained in ch. NR 809. NR 810.08 HistoryHistory: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10. NR 810.09NR 810.09 General treatment and disinfection requirements. Department approved treatment shall be provided and operated by each water supplier where necessary in order to ensure that the finished water supplied to consumers meets the primary maximum contaminant levels contained in ch. NR 809 and the design standards contained in ch. NR 811, where applicable. In addition, all of the following requirements shall be met: NR 810.09(1)(a)(a) All existing and new municipal water systems and all other-than-municipal water systems constructed or modified after December 1, 2010, shall be provided with equipment and the necessary appurtenances which can continuously disinfect the water. The department may require the installation of disinfection equipment at existing other-than-municipal water systems where deemed necessary to ensure a safe water supply. Standby disinfection equipment shall be periodically checked and repaired, if necessary, to ensure it will work when it is required. NR 810.09(1)(b)(b) All surface water treatment plants and other waterworks where treatment is required to produce a water quality meeting the primary maximum contaminant levels shall be equipped with backup chemical feed equipment for all chemicals required for treatment in the event of failure of the primary equipment. NR 810.09(1)(c)(c) Written approval from the department is required prior to the addition of any chemical to a community water system. Non-community water systems shall refer to s. NR 812.37 for plan approval requirements for chemical feed systems. At public water systems that treat continuously, a 30-day supply of chemicals shall be kept on hand as required by s. NR 108.06 (3). The 30-day supply shall be based on average day demand and average dose. Chemicals shall meet current A.W.W.A. standards and be approved by the department. Department approval may consist of, but is not limited to, certification of the chemical for use in potable water under NSF/ANSI Standard 60. Those chemical suppliers relabeling or repackaging NSF/ANSI 60 certified chemicals shall also be certified. Laboratories evaluating products for compliance with NSF/ANSI Standard 60 shall be certified by the American National Standards Institute. Colored chemicals shall be approved if coloring agents are not used in toxic concentrations or in amounts which impart taste, odor or color to the water supply. The department may require the analysis of chemicals if necessary to insure use of safe chemicals. NR 810.09 NoteNote: Copies of these standards are available for inspection at the office of the Department of Natural Resources and the Legislative Reference Bureau.
NR 810.09 NoteNote: The Department of Safety and Professional Services requires plan submittal and approval of all treatment systems installed to service non-community water systems and designed to reduce health-related contaminants. For more information, see s. SPS 382.20. NR 810.09(1)(d)(d) Chemical containers shall be labeled to include the chemical name, purity, concentration, and name and address of the chemical supplier. NR 810.09(1)(e)(e) Requests for the substitution of disinfection agents in lieu of chlorine for bacteriological control shall be submitted to the department for review. Substitute disinfection agents may not be used without specific approval by the department. NR 810.09(1)(f)(f) Solution tanks shall be maintained in a sanitary condition.
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