Municipal water supply purposes — Beneficial uses.
RCW 90.03.550
in effectBeneficial uses of water under a municipal water supply purposes water right may include water withdrawn or diverted under such a right and used for: (1) Uses that benefit fish and wildlife, water quality, or other instream resources or related habitat values; or (2) Uses that are needed to implement environmental obligations called for by a watershed plan approved under chapter 90.82 RCW, or a comprehensive watershed plan adopted under RCW 90.54.040 (1) after September 9, 2003, a federally approved habitat conservation plan prepared in response to the listing of a species as being endangered or threatened under the federal endangered species act, 16 U.S.C. Sec. 1531 et seq., a hydropower license of the federal energy regulatory commission, or a comprehensive irrigation district management plan.
Beneficial uses of water under a municipal water supply purposes water right may include water withdrawn or diverted under such a right and used for:
(1) Uses that benefit fish and wildlife, water quality, or other instream resources or related habitat values; or
(2) Uses that are needed to implement environmental obligations called for by a watershed plan approved under chapter 90.82 RCW, or a comprehensive watershed plan adopted under RCW 90.54.040 (1) after September 9, 2003, a federally approved habitat conservation plan prepared in response to the listing of a species as being endangered or threatened under the federal endangered species act, 16 U.S.C. Sec. 1531 et seq., a hydropower license of the federal energy regulatory commission, or a comprehensive irrigation district management plan.
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=90.03&full=trueFetched: 6/29/2026