Washington Revised Code Title 70A. Environmental Health and Safety § 70A.355.030. Environmentally sensitive areas

(1) A city, town, or county may apply to the department to have an area within its jurisdictional boundaries designated an environmentally sensitive area. A city, town, or county may submit a joint application with any other city, town, or county for joint administration under chapter 39.34 RCW of a single environmentally sensitive area located in both jurisdictions.

(2) A city, town, or county may adopt proposed ordinances or resolutions establishing requirements for underground storage tanks located within an environmentally sensitive area that are more stringent than the statewide standards established under RCW 70A.355.020. Proposed local ordinances and resolutions shall only apply to new underground storage tank installations. The local government adopting the ordinances and resolutions shall submit them to the department for approval. Disapproved ordinances and resolutions may be modified and resubmitted to the department for approval. Proposed local ordinances and resolutions become effective when approved by the department.

(3) The department shall approve or disapprove each proposed local ordinance or resolution based on the following criteria:

(4) A city, town, or county for which a proposed local ordinance or resolution establishing more stringent requirements is approved by the department may establish local tank fees that meet the requirements of RCW 70A.355.080, if such fees are necessary for enhanced program administration or enforcement.