Section 809.82. Record maintenance.

  Any water supplier of a public water system subject to the provisions of this chapter shall retain on the premises or at a convenient location near the premises the following records:

(1)   Analytical result records. Records of microbiological analyses and turbidity analyses made pursuant to chs. NR 810 and 811 and this chapter shall be kept for not less than 5 years. Records of chemical analyses made pursuant to chs. NR 810 and 811 and this chapter shall be kept for not less than 10 years. Actual laboratory reports may be kept, or data may be transferred to tabular summaries, provided that all of the following information is included:

(a) The date, place, and time of sampling, and the name of the person who collected the sample.

(b) Identification of the sample as to whether it was a routine distribution system sample, check sample, raw or process water sample or other special purpose sample.

(c) Date of analysis.

(d) Laboratory and person responsible for performing analysis.

(e) The analytical technique/method used.

(f) The results of the analysis.

(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.

(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.

(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.

(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.

(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.

(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.

(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.

(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) .

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.