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NR 809.331   Surface water source monitoring.
NR 809.332   Sampling schedules for surface water source water monitoring.
NR 809.333   Sampling locations for surface water source water monitoring.
NR 809.334   Analytical methods for surface water source water monitoring.
NR 809.335   Approved laboratories for surface water source monitoring.
NR 809.336   Reporting source water monitoring results.
NR 809.35   Sanitary survey requirements for all public water systems.
NR 809.50   Maximum contaminant levels, compliance dates and BATs for radionuclides.
NR 809.51   Beta particle and photon radioactivity from man-made radionuclides maximum contaminant levels.
NR 809.52   Analytical methods for radionuclides.
NR 809.53   Radionuclide monitoring frequency and compliance requirements for community water systems.
Subchapter II — Control of Lead and Copper
NR 809.54   General requirements for the control of lead and copper.
NR 809.541   Monitoring and analytical requirements for lead and copper.
NR 809.542   Applicability of corrosion control treatment steps for small, medium and large-size water systems.
NR 809.543   Description of corrosion control treatment requirements.
NR 809.544   Source water treatment requirements for corrosion control.
NR 809.545   Lead service line replacement requirements.
NR 809.546   Public education and supplemental monitoring requirements.
NR 809.547   Monitoring requirements for lead and copper in tap water.
NR 809.548   Monitoring requirements for water quality parameters.
NR 809.549   Monitoring requirements for lead and copper in source water.
NR 809.55   Reporting requirements for lead and copper.
Subchapter III — Maximum Contaminant Levels, Maximum Residual Disinfectant Levels, Monitoring, Analytical Requirements and Control of Disinfection Byproducts, Disinfection Residuals and Stage 1 and Stage 2 DBP
NR 809.561   Maximum residual disinfectant level goals (MRDLGs), and maximum contaminant levels (MCLs) for disinfection byproducts, maximum residual disinfectant levels (MRDLs) and best available treatment.
NR 809.562   General requirements for disinfection byproducts and disinfection residuals Stage 1 DBP.
NR 809.563   Analytical requirements for disinfection byproducts and disinfection residuals Stage 1 DBP and Stage 2 DBP.
NR 809.565   Monitoring requirements for disinfection byproducts and disinfection residuals Stage 1 DBP.
NR 809.566   Compliance requirements for disinfection byproducts and disinfection residuals Stage 1 DBP.
NR 809.567   Reporting and recordkeeping requirements for disinfection byproducts and disinfection residuals for Stage 1 DBP.
NR 809.569   Treatment technique for control of disinfection byproduct (DBP) precursors.
NR 809.60   General requirements for Stage 2 DBP disinfection byproducts control.
NR 809.61   Routine monitoring for Stage 2 DBP.
NR 809.62   Monitoring plan for Stage 2 DBP.
NR 809.63   Requirements for reduced and increased monitoring for Stage 2 DBP.
NR 809.64   Additional disinfection byproducts requirements for consecutive systems under Stage 2 DBP.
NR 809.65   Operational evaluation levels for disinfection byproducts under Stage 2 DBP.
NR 809.66   Requirements for remaining on reduced TTHM and HAA5 monitoring based on Stage 1 DBP results.
NR 809.67   Requirements for remaining on increased TTHM and HAA5 monitoring based on Stage 1 DBP results.
NR 809.68   Reporting and recordkeeping requirements for Stage 2 DBP.
Subchapter IV — Miscellaneous Chemical Monitoring Requirements, Raw Surface Water Standards, and Certified Laboratories
NR 809.70   Secondary inorganic chemical and physical standards.
NR 809.71   Sampling and analytical requirements for secondary standards.
NR 809.73   Sampling and analytical requirements for other chemicals.
NR 809.74   Additional requirements for public water systems which chlorinate or fluoridate water.
NR 809.75   Raw surface water standards.
NR 809.76   Laboratory certification.
NR 809.77   Monitoring of consecutive public water systems.
Subchapter V — Reporting, Consumer Confidence Reports and Record Keeping
NR 809.80   Reporting requirements.
NR 809.82   Record maintenance.
NR 809.83   Consumer confidence report applicability and deadlines.
NR 809.833   Content of consumer confidence reports.
NR 809.835   Required additional health information for consumer confidence reports.
NR 809.837   Consumer confidence report delivery and recordkeeping.
Subchapter VI — Conditional Waivers and Variances
NR 809.90   Conditional waivers.
NR 809.905   Conditional waivers from the maximum contaminant levels for uranium.
NR 809.91   Nitrate variances.
Subchapter VII — Public Notification of Drinking Water Violations
NR 809.950   General public notification requirements.
NR 809.951   Tier 1 public notice — form, manner, and frequency of notice.
NR 809.952   Tier 2 public notice--form, manner, and frequency of notice.
NR 809.953   Tier 3 public notice--form, manner, and frequency of notice.
NR 809.954   Public notice content.
NR 809.955   Notice to new billing units or new customers.
NR 809.956   Special notice of the availability of unregulated contaminant monitoring results.
NR 809.957   Special notice for exceedance of the secondary maximum contaminant level for fluoride.
NR 809.958   Special notice for nitrate exceedances above MCL by non-community water systems, where granted permission by the department under s. NR 809.11 (3).
NR 809.959   Public notice by the department on behalf of the public water system.
NR 809.960   Special notice for significant deficiencies or source groundwater fecal contamination.
NR 809.970   Special notice for repeated failure to conduct monitoring of the source water for Cryptosporidium and for failure to determine bin classification or mean Cryptosporidium level.
Ch. NR 809 Note Note: Chapter NR 809 as it existed on November 30, 2010, was repealed and a new chapter NR 809 was created effective December 1, 2010.
NR 809.01 NR 809.01Purpose. The purpose of this chapter is to establish minimum standards and procedures for the protection of the public health, safety and welfare in the obtaining of safe drinking water. This chapter is adopted under the authority granted in chs. 280 and 281, Stats.
NR 809.01 Note Note: See chs. NR 108, 114, 810, 811 and 812 for other requirements pertaining to public and private drinking water systems.
NR 809.01 History History: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.
NR 809.02 NR 809.02Departmental justification.
NR 809.02(1)(1)Where the department exercises discretion allowed under this chapter to require a water supplier for a public water system to perform construction, repairs, monitoring or other activities which would necessitate expenditure of resources, the department shall explain in writing the reasons for the requirements.
NR 809.02(2) (2)A decision by the department to grant a waiver shall be made in writing and shall set forth the basis for the determination. The waiver determination may be initiated by the department or upon an application by the water supplier for a public water system.
NR 809.02 History History: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10.
NR 809.03 NR 809.03Applicability. The provisions of this chapter shall apply to all new and existing public water systems, water suppliers, and laboratories certified to analyze drinking water.
NR 809.03 History History: CR 09-073: cr. Register November 2010 No. 659, eff. 12-1-10; CR 15-049: am. Register March 2016 No. 723, ef. 4-1-16.
NR 809.04 NR 809.04Definitions. In this chapter:
NR 809.04(1) (1)“Action level" is the concentration of lead or copper in water which determines, in some cases, the treatment requirements that a public water system is required to complete.
NR 809.04(2) (2)“Best available technology" or “BAT" means the best technology treatment techniques, or other means which the U.S. environmental protection agency finds, after examination for efficacy under field conditions and not solely under laboratory conditions, are available, taking cost into consideration.
NR 809.04(2g) (2g)“Circuit rider" means a roving technical expert employed by a state rural water association to provide training and assistance to rural and small water utilities within the state.
NR 809.04(2r) (2r)“Clean compliance history" means a record of no E. coli MCL violations under s. NR 809.31; no monitoring violations under s. NR 809.312; and no coliform treatment technique trigger exceedances or treatment technique violations under s. NR 809.313.
NR 809.04(3) (3)“Coagulation" means a process using coagulant chemicals and mixing by which colloidal and suspended materials are destabilized and agglomerated into flocs.
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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.