Section 46.17.040 - Approval required(a) Except in the performance of routine maintenance and operations not affecting structural safety, a person may not construct, enlarge, repair, alter, remove, maintain, operate, or abandon a dam or reservoir without the approval of the department.(b) The owner of a dam or reservoir that was constructed before May 31, 1987 shall, under regulations adopted by the department, file an application with the department for the approval of the dam or reservoir.(c) An applicant under this section shall comply with the requirements of other applicable statutes.