Washington Revised Code Title 78. Mines, Minerals, and Petroleum § 78.60.120. Notification of abandonment or suspension of operations--Required--Procedure

(1) Before any operation to plug and abandon or suspend the operation of any well is commenced, the owner or operator shall submit in writing a notification of abandonment or suspension of operations to the department for approval. No operation to abandon or suspend the operation of a well shall commence without approval by the department. The department shall respond to such notification in writing within ten working days following receipt of the notification.

(2) Failure to abandon or suspend operations in accordance with the method approved by the department shall constitute a violation of this chapter, and the department shall take appropriate action under the provisions of RCW 78.60.270.