Units of water measurement.

RCW 90.03.020
in effect
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The legally recognized units of water measurement shall be as follows: For flowing water — one cubic foot of water per second of time, and to be designated "secondfoot." For absolute volume or quantity of water — forty-three thousand five hundred sixty cubic feet of water, and to be designated "acrefoot." The legally recognized units of water measurement shall be as follows: For flowing water — one cubic foot of water per second of time, and to be designated "secondfoot." For absolute volume or quantity of water — forty-three thousand five hundred sixty cubic feet of water, and to be designated "acrefoot."
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=90.03&full=trueFetched: 6/29/2026

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