§ 94.005 NOISE LEVELS.
   Except as expressly provided herein, no person shall make noise which creates excessive or unusual noise during any hours or loud noise during the restricted hours, as set forth in Tables 1, 2 and 3 below.
 
Table 1
Motor Vehicles (Stationary/Equipment Test) Maximum Sound Pressure
Levels, dBA Emitted by Source
Measured at a distance of 20 inches from exhaust outlet at an angle of 45 degrees
Motor vehicle type
Stationary test (equipment test)
Maximum sound pressure levels during all hours
ATVs
SAE J1287
92 dBA
All other motor vehicles with a manufacturer’s gross vehicle weight rating of less than 9,000 pounds
SAE J1492
92 dBA
Motorcycles
N/A
See § 94.006(C)
 
 
Table 2
Motor Vehicles (Moving/Operational Test) Maximum Sound Pressure Levels,
dBA Emitted by Source
Measured at a distance of 25 feet from centerline of lane of travel on county B roads
Motor vehicle type
Maximum sound pressure level, dBA
Maximum sound pressure level, dBA, during restricted hours
Motorcycles and motor vehicles with a manufacturer’s gross vehicle weight rating of less than 9,000 pounds
80 dBA
78 dBA
Measured at a distance of 50 feet from centerline of lane of travel on county B roads
Motor vehicle type
Maximum sound pressure level, dBA
Maximum sound pressure level, dBA, during restricted hours
Motorcycles and motor vehicles with a manufacturer's gross vehicle weight rating of less than 9,000 pounds
74 dBA
72 dBA
 
 
Table 3 Land Uses
Maximum Sound Pressure Levels, dBA Emitted by Source Measured at Nearest
Property Boundary
 
Maximum sound pressure level, dBA
Maximum sound pressure level, dBA, during restricted hours
All noise impacting residential property, unless prohibited in § 94.004
60 dBA
55 dBA
All noise impacting residential and nonresidential property, unless prohibited in § 94.004
65 dBA
60 dBA
 
(Ord. 2023-04, passed 12-5-2023)