Industrial noise in Bakersfield is strictly regulated under BMC Chapter 9.22, which sets zone-based exterior decibel limits and prohibits industrial properties from exceeding 70 dBA at a residential receiver. Oil field operations, rail yards, and warehouses must comply, though oil and gas activity also has separate state CalGEM and CEQA mitigation requirements.
Bakersfield sits in an active oil and gas region, and industrial noise is a recurring enforcement issue. BMC Chapter 9.22 establishes exterior noise standards based on the zoning of the receiving property: generally 50 dBA daytime / 45 dBA nighttime in residential zones, 60 dBA in commercial, and 70 dBA in industrial. A fixed industrial source that causes noise above the residential limit at the property line of a home is in violation regardless of the source's own zoning. Impulsive or tonal noise (hammering, compressors, warning horns) gets a 5 dBA penalty, meaning the measured level must be 5 dB lower than the base standard. Oil field pump jacks, drilling rigs, and well stimulation operations in city limits must also comply with CEQA noise mitigation measures imposed through their permits, and new wells near homes are additionally limited by CalGEM setback rules under SB 1137. Persistent industrial noise complaints go to Bakersfield Code Enforcement, which can issue administrative citations, require noise studies, and in severe cases refer matters to the City Attorney for abatement.
Specific penalty amounts for this ordinance are not published in a publicly accessible fine schedule. Contact Bakersfield code enforcement directly for current fines, enforcement procedures, and hearing options.
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