NR 809.82(1)(d)(d) Laboratory and person responsible for performing analysis. NR 809.82(2)(2) Violation correction records. Records of action taken by the water supplier to correct violations of this chapter shall be kept for a period of not less than 3 years after the last action taken with respect to the particular violation involved. NR 809.82(3)(3) Sanitary survey records. Copies of any written reports, summaries or communications relating to sanitary surveys of the public water system conducted by the water supplier, by a private consultant, or by any local, state or federal agency, shall be kept for a period of not less than 10 years after completion of the sanitary survey involved. NR 809.82(4)(4) Conditional waiver or variance records. Records concerning a conditional waiver or variance granted to the public water system shall be kept for a period of not less than 5 years following the expiration of the conditional waiver or variance. NR 809.82(5)(5) Lead and copper control records. The water supplier for any public water system subject to the requirements of subch. II shall retain on the premises original records of all sampling data and analyses, reports, surveys, letters, evaluations, schedules, department determinations, and any other information required by ss. NR 809.542 to 809.549. Each water supplier shall retain the records for no less than 12 years. NR 809.82(6)(6) Public notice records. The department shall keep copies of public notices issued pursuant to subch. VII and certifications made to the department pursuant to s. NR 809.80 for 3 years after issuance. NR 809.82(7)(7) Monitoring plan records. Copies of monitoring plans developed pursuant to this chapter shall be kept for the same period of time as the records of analyses taken under the plan are required to be kept under sub. (1), except as specified elsewhere in this chapter. NR 809.82(8)(8) Assessment forms. The water supplier shall maintain any assessment form, regardless of who conducts the assessment, and documentation of corrective actions completed as a result of those assessments, or other available summary documentation of the sanitary defects and corrective actions taken under s. NR 809.313. The water supplier shall maintain the records for department review for a period not less than 5 years after completion of the assessment or corrective action. NR 809.82(9)(9) Repeat sample extensions. The water supplier shall maintain a record of any repeat sample taken that meets department criteria for an extension of the 24-hour period for collecting repeat samples as provided under s. NR 809.31 (2). NR 809.82 HistoryHistory: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10; CR 15-049: cr. (8), (9) Register March 2016 No. 723, eff. 4-1-16. NR 809.83NR 809.83 Consumer confidence report applicability and deadlines. NR 809.83(1)(1) Purpose and applicability. Water supplier for community water systems shall deliver to their customers an annual report containing information on the quality of the water and the characterization of risks, if any, from exposure to contaminants detected in the drinking water delivered by their public water system. The report shall be written in an accurate and understandable manner. NR 809.83(1)(a)(a) Customers under this paragraph are defined as billing units or service connections to which water is delivered by a community water system. NR 809.83(1)(b)(b) Detected under this paragraph refers to all contaminants identified at or above the detection limits specified in subch. I and reported by a safe drinking water certified laboratory. NR 809.83(2)(a)(a) Each existing community water system shall deliver its report by July 1 annually. Reports shall contain data collected during, or prior to, the previous calendar year. NR 809.83(2)(b)(b) A new community water system shall deliver its first report by July 1 of the year after its first full calendar year in operation and annually thereafter. NR 809.83(2)(c)(c) A community water system that sells water to another community water system shall deliver the applicable information required in s. NR 809.833 to the buyer system by one of the following dates: NR 809.83(2)(c)2.2. On a date mutually agreed upon by the seller and the purchaser, and specifically included in a contract between the parties. NR 809.83 HistoryHistory: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10; CR 15-049: am. (1) (b) Register March 2016 No. 723, eff. 4-1-16. NR 809.833NR 809.833 Content of consumer confidence reports. Water suppliers for each community water system shall provide to their customers an annual report that contains all of the information specified in this section and s. NR 809.835. NR 809.833(1)(1) Information on the source of the water delivered. Each report shall identify the sources of the water delivered by the community water system by providing information on all of the following: NR 809.833(1)(a)(a) The type of the water, including, surface water, groundwater. NR 809.833(1)(b)(b) The commonly used name, if any, and location of the bodies of water. NR 809.833(1)(c)(c) If a source water assessment has been completed, the report shall notify consumers of the availability of this information and the means to obtain it. In addition, water suppliers are encouraged to highlight in the report significant sources of contamination in the source water area if they have readily available information. If a public water system has received a source water assessment from the department, the report shall include a brief summary of the public water system’s susceptibility to potential sources of contamination, using language provided by the department or written by the water suppliers. NR 809.833(2)(a)1.1. Maximum contaminant level goal or MCLG: The level of a contaminant in drinking water below which there is no known or expected risk to health. MCLGs allow for a margin of safety. NR 809.833(2)(a)2.2. Maximum contaminant level or MCL: The highest level of a contaminant that is allowed in drinking water. MCLs are set as close to the MCLGs as feasible using the best available treatment technology. NR 809.833(2)(b)(b) A report for a community water system operating under a variance or an exemption issued under subch. VI shall include the following definition, “Variances and Exemptions: state or EPA permission not to meet an MCL or a treatment technique under certain conditions.” NR 809.833(2)(c)(c) A report which contains data on contaminants which EPA regulates using any of the following terms shall include the applicable definitions: NR 809.833(2)(c)1.1. “Treatment technique: A required process intended to reduce the level of a contaminant in drinking water.” NR 809.833(2)(c)2.2. “Action level: The concentration of a contaminant which, if exceeded, triggers treatment or other requirements which a public water system shall follow.” NR 809.833(2)(c)3.3. “Maximum residual disinfectant level goal or MRDLG: The level of a drinking water disinfectant below which there is no known or expected risk to health. MRDLGs do not reflect the benefits of the use of disinfectants to control microbial contaminants.” NR 809.833(2)(c)4.4. “Maximum residual disinfectant level or MRDL: The highest level of a disinfectant allowed in drinking water. There is convincing evidence that addition of a disinfectant is necessary for control of microbial contaminants.” NR 809.833(2)(d)(d) A report that contains information regarding a Level 1 or Level 2 Assessment required in s. NR 809.313 shall include the following definitions: NR 809.833(2)(d)1.1. “Level 1 Assessment: A Level 1 assessment is a study of the water system to identify potential problems and determine, if possible, why total coliform bacteria have been found in our water system.” NR 809.833(2)(d)2.2. “Level 2 Assessment: A Level 2 assessment is a very detailed study of the water system to identify potential problems and determine, if possible, why an E. coli MCL violation has occurred or why total coliform bacteria have been found in our water system, or both, on multiple occasions.” NR 809.833(3)(3) Information on detected contaminants. With the exception of Cryptosporidium, reports shall contain the following information in the specified format, for regulated contaminants subject to a MCL, action level, maximum residual disinfectant level, microbial contaminants, or treatment technique, unregulated contaminants for which monitoring is required under subch. I, and disinfection by-products for which monitoring is required under subch. III: NR 809.833(3)(a)(a) The data relating to these contaminants shall be displayed in one table or in several adjacent tables. Any additional monitoring results which a water supplier chooses to include in its report shall be displayed separately. NR 809.833(3)(b)(b) The data shall be derived from data collected to comply with EPA and department monitoring and analytical requirements during calendar year 1998 for the first report and subsequent calendar years thereafter except that: NR 809.833(3)(b)1.1. If a public water system is allowed to be monitored for regulated contaminants less often than once a year, the tables shall include the date and results of the most recent sampling and the report shall include a brief statement indicating that the data presented in the report are from the most recent testing done in accordance with the regulations. No data older than 5 years need be included. NR 809.833(3)(b)2.2. Results of monitoring in compliance with requirements issued under 40 CFR Sub. D, part 141.142 and 141.143 under the information collection rule need only be included for 5 years from the date of last sample or until any of the detected contaminants becomes regulated and subject to routine monitoring requirements, whichever comes first. NR 809.833(3)(c)(c) For detected regulated contaminants, listed in Appendix A to this subchapter, the tables shall contain all of the following: NR 809.833(3)(c)1.1. The MCL for that contaminant expressed as a number equal to or greater than 1.0, as provided in Appendix A to this subchapter. NR 809.833(3)(c)2.2. The MCLG for that contaminant expressed in the same units as the MCL. NR 809.833(3)(c)3.3. If there is no MCL for a detected contaminant, the table shall indicate that there is a treatment technique, or specify the action level, applicable to that contaminant, and the report shall include the definitions for treatment technique or action level, or both, as appropriate, specified in this paragraph. NR 809.833(3)(c)4.4. For contaminants subject to an MCL, except turbidity and E. coli, the highest contaminant level used to determine compliance with requirements of this chapter and the range of detected levels as follows: NR 809.833(3)(c)4.a.a. When compliance with the MCL is determined annually or less frequently: the highest detected level at any sampling point and the range of detected levels expressed in the same units as the MCL. NR 809.833(3)(c)4.b.b. When compliance with the MCL is determined by calculating a running annual average of all samples taken at a sampling point: the highest average of any of the sampling points and the range of all sampling points expressed in the same units as the MCL. When the MCL for TTHM or HAA5 in s. NR 809.561 (2) is exceeded at a locational running annual average monitoring location, systems must include the highest locational running annual average for TTHM and HAA5 and the range of individual sample results for all monitoring locations expressed in the units as the MCL. If more than one location exceeds the TTHM or HAA5 MCL, the system must include the locational running annual averages for all locations that exceed the MCL. NR 809.833(3)(c)4.c.c. When compliance with the MCL is determined on a public water system-wide basis by calculating a running annual average of all samples at all sampling points: the average and range of detection expressed in the same units as the MCL. NR 809.833 NoteNote: When rounding of results to determine compliance with the MCL is allowed by the regulations, rounding should be done prior to multiplying the results by the factor listed in Appendix A of this subchapter.
NR 809.833(3)(c)5.b.b. When it is reported pursuant to s. NR 810.29, the highest monthly value. The report should include an explanation of the reasons for measuring turbidity. NR 809.833(3)(c)5.c.c. When it is reported pursuant to s. NR 810.29, the highest single measurement and the lowest monthly percentage of samples meeting the turbidity limits specified in s. NR 810.29 for the filtration technology being used. The report should include an explanation of the reasons for measuring turbidity. NR 809.833(3)(c)6.6. For lead and copper: the 90th percentile value of the most recent round of sampling and the number of sampling sites exceeding the action level. NR 809.833(3)(c)8.8. The likely sources of detected contaminants to the best of the water supplier’s knowledge. Specific information regarding contaminants may be available in sanitary surveys and source water assessments, and should be used when available to the water supplier. If the water supplier lacks specific information on the likely source, the report shall include one or more of the typical sources for that contaminant listed in Appendix A to this subchapter that are most applicable to the public water system. NR 809.833(3)(d)(d) If a community water system distributes water to its customers from multiple hydraulically independent distribution systems that are fed by different raw water sources, the table should contain a separate column for each service area and the report should identify each separate distribution system. Alternatively, water suppliers could produce separate reports tailored to include data for each service area. NR 809.833(3)(e)(e) The tables shall clearly identify any data indicating violations of MCLs or treatment techniques and the report shall contain a clear and readily understandable explanation of the violation including: the length of the violation, the potential adverse health effects, and actions taken by the water supplier to address the violation. To describe the potential health effects, the water supplier shall use the relevant language of Appendix A to this subchapter. NR 809.833(3)(f)(f) For detected unregulated contaminants for which monitoring is required, except Cryptosporidium, the tables shall contain the average and range at which the contaminant was detected. The report may include a brief explanation of the reasons for monitoring for unregulated contaminants. NR 809.833(4)(4) Information on cryptosporidium, radon and other contaminants. NR 809.833(4)(a)(a) If the water supplier has performed any monitoring for Cryptosporidium, including monitoring performed to satisfy the requirements of 40 CFR sub. D, part 141, s. 141.143 (information collection rule), which indicates that Cryptosporidium may be present in the source water or the finished water, the report shall include all of the following: NR 809.833(4)(b)(b) If the water supplier has performed any monitoring for radon which indicates that radon may be present in the finished water, the report shall include all of the following: NR 809.833(4)(c)(c) If the water supplier has performed additional monitoring which indicates the presence of other contaminants in the finished water, the report shall include all of the following: NR 809.833(4)(c)2.2. An explanation of the significance of the results noting the existence of a health advisory or a proposed regulation. NR 809.833 NoteNote: To determine the significance of the results it is recommended that water supplier call the Safe Drinking Water Hotline at 800–426–4791.
NR 809.833(5)(5) Compliance with all drinking water regulations. In addition to the requirements of sub. (3) (f), the report shall note any violation that occurred during the year covered by the report of a requirement listed in this subsection. The report also shall include a clear and readily understandable explanation of the violation, any potential adverse health effects, and the steps the water supplier has taken to correct the violation. All of the following violations shall be included: NR 809.833(5)(a)(a) Failure to comply with requirements for monitoring and reporting of compliance data. NR 809.833(5)(b)(b) For public water systems which have failed to install adequate filtration or disinfection equipment or processes, or have had a failure of the equipment or processes which constitutes a violation, the report shall include the following language as part of the explanation of potential adverse health effects. Inadequately treated water may contain disease-causing organisms. These organisms include bacteria, viruses and parasites, which can cause symptoms such as nausea, cramps, diarrhea and associated headaches. NR 809.833(5)(c)(c) Lead and copper control requirements that are prescribed by subch. II. For public water systems that fail to take one or more actions prescribed by s. NR 809.541 (4), 809.542, 809.543, 809.544 or 809.545, the report shall include the applicable language of Appendix A to this subchapter for lead, copper or both. NR 809.833(5)(d)(d) Treatment techniques for Acrylamide and Epichlorohydrin that are prescribed by subch. I. For public water systems that violate the requirements of s. NR 809.25 (4), the report shall include the relevant language from Appendix A to this subchapter. NR 809.833(5)(e)(e) Failure to comply with required recordkeeping of compliance data. NR 809.833(5)(g)(g) Violation of the terms of a variance, an exemption or an administrative or judicial order. NR 809.833(6)(6) Exemptions. If a public water system is operating under the terms of a conditional waiver or variance issued under subch. VI, the report shall contain all of the following: NR 809.833(6)(a)(a) An explanation of the reasons for the variance or exemption. NR 809.833(6)(c)(c) A brief status report on the steps the water supplier is taking to install treatment, find alternative sources of water or otherwise comply with the terms and schedules of the variance or exemption.
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Chs. NR 800- ; Environmental Protection – Water Supply
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