Decibel Limits: Clovis vs Selma
How do decibel limits rules compare between Clovis, CA and Selma, CA?
Clovis and Selma have similar restriction levels.
Clovis, CA
Fresno County
CMC 9.22.080 sets residential exterior limits at 55 dBA day and 50 dBA night (15-min Leq). Interior limits are 45/40 dBA. Impulsive noise may exceed the standard by up to 20 dBA.
View full Clovis rules →Selma, CA
Fresno County
Selma establishes decibel measurement criteria in Section 6-17-3 and monitoring procedures in Section 6-17-4. The prima facie violation threshold is 5 dB over the ambient noise level measured at the property line of the affected person (Section 6-17-6).
View full Selma rules →Key Facts Comparison
| Fact | Clovis | Selma |
|---|---|---|
| Code Section | CMC 9.22.080 Tables 3-1 & 3-2 | - |
| Residential Exterior Day | 55 dBA (15-min Leq) | - |
| Residential Exterior Night | 50 dBA (15-min Leq) | - |
| Residential Interior Night | 40 dBA | - |
| Impulsive Noise Allowance | +20 dBA above standard | - |
| Threshold | - | 5 dB over ambient |
| Measurement Point | - | Property line of affected person |
| Apartments | - | Measured within adjoining unit |
| Code Sections | - | SMC 6-17-3, 6-17-4, 6-17-6 |
Highlighted rows indicate differences between cities.
Clovis FAQ
What are the decibel limits in Clovis residential areas?
Exterior limits are 55 dBA daytime (7 AM-10 PM) and 50 dBA nighttime (10 PM-7 AM) measured as a 15-minute Leq. Interior limits are 45 dBA day and 40 dBA night per CMC 9.22.080.
How does Clovis handle impulsive noise?
Impulsive noise may exceed the zone standard by up to 20 dBA. However, impulsive noise repeating four or more times per hour between 10 PM and 7 AM is measured as continuous sound and must meet the standard.
Selma FAQ
What is the decibel limit in Selma?
Selma uses a relative standard: any noise exceeding the ambient level by more than 5 dB at the property line is a prima facie violation. There is no single fixed decibel cap.
How is noise measured for enforcement?
Sound is measured at the property line of the affected person following the monitoring procedures in SMC 6-17-4. The ambient noise level is used as the baseline.
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