(1) The owner shall ensure that the following records of operation and water quality analyses are kept on file:
(a) Records of bacteriological and turbidity analyses shall be kept for five years. Records of chemical analyses shall be kept for as long as the system is in operation. Other records of operation and analyses required by the department shall be kept for three years. All records shall bear the signature of the owner of the water system or his or her representative.
(b) Records of action taken by the system to correct violations of primary drinking water regulations and copies of public notifications shall be kept for three years after the last action taken with respect to the particular violation involved.
(c) Copies of any written reports, summaries, or communications, relating to comprehensive system evaluations (CSEs) conducted by system personnel, by a consultant or by any local, state, or federal agency, shall be kept for ten years after completion of the CSE involved.
(d) Where applicable, records of operation and analyses shall include the following:
(i) Daily chlorine residual;
(ii) Water treatment plant performance including, but not limited to:
(A) Type of chemicals used and quantity;
(B) Amount of water treated; and
(C) Results of analyses.
(iii) Daily turbidity;
(iv) Monthly water use readings from totalizing source meters; and
(v) Other information as specified by the department.
(a) The owner shall ensure that reports required by this chapter, are submitted to the department when requested by the department or as otherwise required by this section, including tests, measurements, and analytic reports.
(b) Water facilities inventory and report form (WFI).
(i) Owners shall ensure the submittal of an updated WFI to the department every three years or as requested; and
(ii) The owner shall also ensure the submittal of an updated WFI to the department within thirty days of any change in name, number of connections, ownership, or responsibility for management of the water system.
(i) The owner shall ensure that the department is notified of the presence of:
(A) Coliform in a sample, within ten days of notification by the laboratory; and
(B) Fecal coliform or E. coli in a sample, by the end of the business day in which the owner is notified by the laboratory or as soon as possible.
(ii) When a coliform MCL violation occurs, the owner shall ensure that the following notifications are made:
(A) Notification of the department before the end of the next business day when a coliform MCL is determined; and
(B) Notification of the water system users in accordance with WAC 246-291-360
(d) Water use data shall be reported upon request of the department.
[Statutory Authority: RCW 43.20.050
. WSR 94-14-002, § 246-291-260, filed 6/22/94, effective 7/23/94.]