6 rules for unincorporated Humboldt County, California.
Verified from official government sources
The Humboldt County General Plan Noise Element sets nighttime maximum noise standards of 60 dBA for single-family residential zones (RS, R-1, R-2, NR) measured 10 p.m. to 6 a.m., with 65 dBA permitted during the day (6 a.m. to 10 p.m.).
Humboldt County General Plan, Noise Element, Standard N-S7 (adopted Oct. 23, 2017)
N-S7. Short-term Noise Performance Standards (Lmax). The following noise standards, unless otherwise specifically indicated, shall apply to all property within their assigned noise zones and such standards shall constitute the maximum permissible noise level within the respective zones. SHORT-TERM NOISE STANDARDS (Lmax) Zoning Classification | Day (maximum) 6:00 a.m. to 10:00 p.m. dBA | Night ...
Humboldt County's General Plan Noise Element exempts heavy equipment and power tools used during construction of permitted structures from the Lmax noise standards, provided the work conforms to the terms of the approved permit; no countywide hour curfew is set by ordinance.
Humboldt County General Plan, Noise Element, Standard N-S7 Exceptions and Implementation Measure N-IM6 (adopted Oct. 23, 2017)
Exceptions. The Short Term Noise levels shown in the above table shall not apply to uses such as, but not limited to: 1. Portable generator use in areas served by public electricity when electrical service is interrupted during emergencies as determined by the Planning Director. 2. Temporary events in conformance with an approved Conditional Use Permit. 3. Use of chainsaws for cutting firewood ...
Persistent dog barking in unincorporated Humboldt County is regulated as a public nuisance. The General Plan's Noise Element provides numeric Lmax limits applicable to dogs at residential property lines, and California Civil Code Section 3479 provides the broader nuisance authority.
Humboldt County General Plan, Noise Element, Section 13.3 and Implementation Measure N-IM3 (adopted Oct. 23, 2017)
Other noise sources not included in the inventory include noises from persons, pets and livestock, industrial equipment, and construction sites. N-IM3. Compliance Program. The County shall investigate complaints of excessive noise and control noise sources consistent with the standards established by the Plan. Nuisance determinations shall be based on noise levels, duration, and number of nois...
Amplified music in unincorporated Humboldt County must comply with the General Plan Lmax noise standards (65 dBA day / 60 dBA night at residential property lines), unless held under an approved Conditional Use Permit for a temporary event.
Humboldt County General Plan, Noise Element, Policy N-P4 and Standard N-S7 Exceptions (adopted Oct. 23, 2017)
N-P4. Protection from Excessive Noise. Protect persons from existing or future excessive levels of noise which interfere with sleep, communication, relaxation, health or legally permitted use of property. Exceptions. The Short Term Noise levels shown in the above table shall not apply to uses such as, but not limited to: 1. Portable generator use in areas served by public electricity when elec...
Aircraft-in-flight noise is preempted by the FAA, but Humboldt County manages ground-level airport noise impacts through 65 CNEL Airport Land Use Compatibility Plans. Standard N-S2 requires Noise Impact Combining Zones around the County's airports (Murray Field, Rohnerville, Garberville, Dinsmore, Kneeland, Shelter Cove, and the former Hoopa airport).
Humboldt County General Plan, Noise Element, Standards N-S2, N-S5 and Implementation Measure N-IM9 (adopted Oct. 23, 2017)
N-S2. Noise Impact Combining Zones. The 20-year projected noise contours in the Map Book Appendix and the most current Airport Land Use Compatibility Plans shall be used to identify noise impact combining zone areas to indicate where special sound insulation measures may apply. N-S5. Noise Standards for Habitable Rooms. Noise reduction shall be required as necessary in new development to achie...
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