Water quality standards affected by forest practices — Department of ecology solely responsible for water quality standards — Forest practices rules — Adoption — Examination — Enforcement procedures.

RCW 90.48.420
in effect
Sign in to generate a plain English summaryAsk Belisarius Agent
(1) The department of ecology, pursuant to powers vested in it previously by chapter 90.48 RCW and consistent with the policies of said chapter and RCW 90.54.020 (3), shall be solely responsible for establishing water quality standards for waters of the state. On or before January 1, 1975, the department of ecology shall examine existing rules containing water quality standards and other applicable rules of said department pertaining to waters of the state affected by nonpoint sources of pollution arising from forest practices and, when it appears appropriate to the department of ecology, modify said rules. In any such examination or modification the department of ecology shall consider such factors, among others, as uses of the receiving waters, diffusion, down-stream cooling, and reasonable transient and short-term effects resulting from forest practices. Adoption of forest practices rules pertaining to water quality by the forest practices board shall be accomplished after reaching agreement with the director of the department or the director's designee on the board. Adoption shall be accomplished so that compliance with such forest practice[s] rules will achieve compliance with water pollution control laws. (2) The department of ecology shall monitor water quality to determine whether revisions in such water quality standards or revisions in such forest practices rules are necessary to accomplish the foregoing result, and either adopt appropriate revisions to such water quality standards or propose appropriate revisions to such forest practices rules or both. (3) Notwithstanding any other provisions of chapter 90.48 RCW or of the rules adopted thereunder, no permit system pertaining to nonpoint sources of pollution arising from forest practices shall be authorized, and no civil or criminal penalties shall be imposed with respect to any forest practices conducted in full compliance with the applicable provisions of RCW 76.09.010 through 76.09.280 , forest practices rules, and any approvals or directives of the department of natural resources thereunder. (4) Prior to the department of ecology taking action under statutes or rules relating to water quality, regarding violations of water quality standards arising from forest practices, the department of ecology shall notify the department of natural resources. (1) The department of ecology, pursuant to powers vested in it previously by chapter 90.48 RCW and consistent with the policies of said chapter and RCW 90.54.020 (3), shall be solely responsible for establishing water quality standards for waters of the state. On or before January 1, 1975, the department of ecology shall examine existing rules containing water quality standards and other applicable rules of said department pertaining to waters of the state affected by nonpoint sources of pollution arising from forest practices and, when it appears appropriate to the department of ecology, modify said rules. In any such examination or modification the department of ecology shall consider such factors, among others, as uses of the receiving waters, diffusion, down-stream cooling, and reasonable transient and short-term effects resulting from forest practices. Adoption of forest practices rules pertaining to water quality by the forest practices board shall be accomplished after reaching agreement with the director of the department or the director's designee on the board. Adoption shall be accomplished so that compliance with such forest practice[s] rules will achieve compliance with water pollution control laws. (2) The department of ecology shall monitor water quality to determine whether revisions in such water quality standards or revisions in such forest practices rules are necessary to accomplish the foregoing result, and either adopt appropriate revisions to such water quality standards or propose appropriate revisions to such forest practices rules or both. (3) Notwithstanding any other provisions of chapter 90.48 RCW or of the rules adopted thereunder, no permit system pertaining to nonpoint sources of pollution arising from forest practices shall be authorized, and no civil or criminal penalties shall be imposed with respect to any forest practices conducted in full compliance with the applicable provisions of RCW 76.09.010 through 76.09.280 , forest practices rules, and any approvals or directives of the department of natural resources thereunder. (4) Prior to the department of ecology taking action under statutes or rules relating to water quality, regarding violations of water quality standards arising from forest practices, the department of ecology shall notify the department of natural resources.
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=90.48&full=trueFetched: 6/29/2026

Starting a business in Washington? Washington LLC guide: costs and requirements

RCW 90.48.420 — Water quality standards affected by forest practices — Department of ecology solely responsible for water quality standards — Forest practices rules — Adoption — Examination — Enforcement procedures | Revised Code of Washington | Corpus