SCC 10.01.030(2) sets dB(A) limits at the receiving property boundary by district. Residential receiving property allows 52 (rural source), 55 (residential source), 57 (commercial), 60 (industrial). Rural receiving property is 49/52/55/57. Night cuts residential/rural limits by 10 dB(A).
Measured at or within the receiving property boundary, the maximum permissible daytime dB(A) levels are: Rural receiving 49/52/55/57; Residential receiving 52/55/57/60; Commercial receiving 55/57/60/65; Industrial receiving 57/60/65/70 (values shown by source district rural/residential/commercial/industrial). At night, rural and residential receiving limits fall 10 dB(A), and periodic, pure-tone or impulsive sounds fall an additional 5 dB(A). Short-duration sounds may exceed limits by 5 dB(A) up to 15 minutes, 10 dB(A) up to 5 minutes, or 15 dB(A) up to 1.5 minutes per hour.
A civil infraction under Chapter 7.80 RCW: $100 (noncommercial) or $250 (commercial) per violation, doubled for repeat like violations within three years; three-plus violations in three years can make later ones a misdemeanor.
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Lynnwood, WA
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Lynnwood, WA
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Lynnwood, WA
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Lynnwood, WA
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