Noise Ordinances in Casper, WY (2026)
5 verified noise ordinances for Casper, Wyoming, sourced directly from the municipal code and official government pages.
Verified from official government sources
Construction Hours
Casper exempts construction noise from its general noise-level limits only between 7:00 a.m. and 9:00 p.m. Casper Municipal Code § 8.20.030(D) requires functioning mufflers on all motorized equipment during that window, and a special permit under § 8.20.060 to run construction noise outside it.
Casper Construction Noise Hours 7 A.M. to 9 P.M.
Some RestrictionsCasper Municipal Code §§ 8.20.030(D), 8.20.070
The following uses and activities shall be exempt from noise level regulations: ... D.Noise caused by commercial or residential building repair, maintenance, or construction, grounds construction or maintenance, or excavation and construction on streets and highways, between the hours of seven a.m. and nine p.m.1.Noise shall be limited to any tools or equipment used in construction, drilling, e...
Barking Dogs
In the City of Casper, a dog or cat that barks, whines or howls excessively, continuously or at untimely hours meets the code's definition of a "public nuisance" under Casper Municipal Code § 6.04.010(50)(d). Section 6.04.310 makes it unlawful for an owner to fail to control the animal and prevent that nuisance, backed by a misdemeanor fine under § 6.04.360.
Casper Barking Dog Nuisance Ordinance
Some RestrictionsCasper Municipal Code §§ 6.04.010, 6.04.310
50."Public nuisance" means any animal is considered a public nuisance if it: ... d.Either individually or in concert, barks, whines, howls or otherwise makes noise in an excessive, continuous or untimely fashion; or, ... 6.04.310 - Public nuisance.A.No owner or person in charge of any dog or cat, or group of dogs and/or cats shall fail to exercise proper care and control of such animal or anima...
Amplified Music & Outdoor Sound
The City of Casper bars radios, musical instruments, phonographs and other sound equipment from playing louder than needed for voluntary listeners in the room, vehicle or chamber where the device operates. Casper Municipal Code § 8.20.020 treats sound exceeding 15 dB(A) over the Table 8.20.040 zoning-district limit, measured fifty feet away, as automatic proof of a violation.
Casper Amplified Sound and Sound Equipment Limits
Some RestrictionsCasper Municipal Code §§ 8.20.020, 8.20.070
It is unlawful for any person to use, operate or permit to be played, used or operated, any radio receiving set, musical instrument, phonograph or other machine or device for the production or reproduction of sound in any manner that disturbs the peace, quiet and comfort of any person in the city at any time with a louder volume than is necessary for convenient hearing for the person or persons...
Decibel Limits
Table 8.20.040 of the Casper Municipal Code caps sound crossing a property line at 55 dB(A) by day and 50 dB(A) at night in residential districts, rising to 80 dB(A) day and 75 dB(A) night in industrial districts, measured at the property line under § 8.20.040.
Casper's Decibel Limits by Zoning District
Some RestrictionsCasper Municipal Code §§ 8.20.040, 8.20.070
It is unlawful to project a sound level, excluding noise emanating from cars, trucks or motorcycles, from one property into another property within the boundary of a use district, which exceeds the limiting noise spectra set forth in Table 8.20.040 in subsection D of this section. ... Table 8.20.040\LIMITING NOISE LEVELS FOR USE DISTRICT ... Residential Business Commercial Industrial Day 55 60 ...
Vehicle Noise
Casper caps motorized-vehicle sound at 90 dB(A) for vehicles over 10,000 pounds and 80 dB(A) for lighter vehicles, requires functioning mufflers under Casper Municipal Code § 8.20.050, and separately bans the use of engine compression brakes citywide under § 10.20.055.
Casper Vehicle Noise Limits, Mufflers and Engine Brakes
Some RestrictionsCasper Municipal Code §§ 8.20.050, 10.20.055
It is unlawful to operate a motorized vehicle within the city limits which creates a sound pressure level which exceeds the noise level limits set forth in table 8.20.050 in this section to be measured in accordance with subdivision 1 of subsection C of Section 8.20.040, at speeds of forty m.p.h. or less, or in posted speed limit zones of forty m.p.h. or less. ... A.Vehicles over ten thousand p...