The Legislature website will be unavailable intermittently this Saturday, June 13th from 7AM to 7PM during scheduled server maintenance. We apologize for the inconvenience.
These rules apply to surface waters within the Snohomish River basin, WRIA 7 (see WAC 173-500-040). Chapter 173-500 WAC, the general rules of the department of ecology for the implementation of the comprehensive water resources program, applies to this chapter 173-507 WAC.