Washington Administrative Code
Title 173 - Ecology, Department of (See also Titles 197, 317, 372, and 508)
Chapter 173-221A - Wastewater discharge standards and effluent limitations
Section 173-221A-020 - Policy
Waters of the state shall be of the high quality. Regardless of the quality of the waters of the state, all wastes and other materials and substances proposed for entry into said waters shall be provided with all known, available, and reasonable methods of treatment prior to entry. Notwithstanding that standards of quality established for waters of the state would not be violated, wastes and other materials and substances shall not be allowed to enter such waters which will reduce the existing quality thereof, except in those situations where it is clear that overriding considerations of the public interest will be served.
Statutory Authority: Chapter 90.48 RCW. 90-14-078 (Order 90-11), § 173-221A-020, filed 7/3/90, effective 8/3/90.