WAC 246-290-639   SWTR records.  (1) Purveyors using surface or GWI sources shall maintain accurate and complete operations records.

     (2) Operations records shall include, but not be limited to, the following as applicable:

     (a) Results of all monitoring conducted under Part 6 of chapter 246-290 WAC;

     (b) Quantity of water produced, plant flow rates, and hours of operation;

     (c) Types and quantities of chemicals used;

     (d) Dates and information pertaining to filter and/or disinfection system maintenance;

     (e) Dates and results of filter and/or disinfection system inspections including records of filtration and backwash rates;

     (f) Dates and descriptions of major equipment and/or treatment process failures and corrective actions taken; and

     (g) The information and data specified under 40 CFR 141.721 related to enhanced treatment for Cryptosporidium.

     (3) Operations records not reported to the department under WAC 246-290-666 or 246-290-696 shall be maintained at the purveyor's treatment facility.



[Statutory Authority: RCW 70.119A.180 and 43.20.050. 08-03-061, § 246-290-639, filed 1/14/08, effective 2/14/08. Statutory Authority: RCW 43.20.050. 93-08-011 (Order 352B), § 246-290-639, filed 3/25/93, effective 4/25/93.]