WAC 246-291-310   General follow-up.  (1) If a water quality sample exceeds any MCLs listed in this chapter, the owner shall ensure notification of the department and take follow-up action as described in this chapter.

     (2) When a primary MCL violation occurs, the owner shall ensure that the following actions are taken:

     (a) Notification of the department in accordance with WAC 246-291-260;

     (b) Notification of the consumers served by the system in accordance with WAC 246-291-360;

     (c) Determination of the cause of the contamination; and

     (d) Other action as directed by the department.

     (3) When a secondary MCL violation occurs, the owner shall ensure that the department is notified and that action is taken as directed by the department.

     (4) The department shall determine the follow-up action when a substance not included in this chapter is detected.



[Statutory Authority: RCW 43.20.050. 94-14-002, § 246-291-310, filed 6/22/94, effective 7/23/94.]