Wash. Admin. Code § 173-166-010
The legislature in 1989 gave permanent drought relief authority to the department of ecology and enabled ecology to issue orders declaring drought emergencies. Chapter 171, Laws of 1989 amends chapter 43.83B RCW (Water supply facilities).
(2) Ecology has authority under chapter 171, Laws of 1989 to:
[Statutory Authority: RCW 43.83B.420. WSR 91-03-081 (Order 90-53), § 173-166-010, filed 1/17/91, effective 2/17/91. Statutory Authority: 1977 c 339 § 75. WSR 78-04-019 (Order 78-3), § 173-166-010, filed 3/10/78.]