Fillmore's zoning code caps exterior noise at the property line: 68 dBA daytime (7 a.m.-7 p.m.), 50 dBA evening (7-10 p.m.), and 45 dBA overnight (10 p.m.-7 a.m.). Municipal Code Section 6.04.1805 binds a data center's cooling and generators to these limits.
Fillmore has no dedicated data-center noise rule; its general performance standards apply. Municipal Code Section 6.04.1805(14) makes each developer and operator responsible for attenuating noise from a use. Exterior noise measured at the property line of the source may not exceed 68 dBA from 7 a.m. to 7 p.m., 50 dBA from 7 to 10 p.m., and 45 dBA from 10 p.m. to 7 a.m. - limits drawn from the 1989 General Plan EIR. Measurement uses an A-weighted sound level meter, and the Director may require a full noise study. A data center's continuous cooling towers, chillers, and backup generators must meet the 45 dBA overnight floor where the site abuts homes.
Exterior noise over the Section 6.04.1805 limits is a public nuisance and zoning violation, enforced by Fillmore code enforcement, and breaches any noise conditions imposed on a data center's development or conditional use permit.
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Fillmore, CA
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Fillmore, CA
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