“Local agency” means and includes every local agency, including a county, city, whether general law or chartered, city and county, school district, municipal corporation, district, political subdivision, or any board, commission or agency thereof, or other local public agency.
“Noise” means and includes excessive undesirable sound, including that produced by persons, pets and livestock, industrial equipment, construction, motor vehicles, boats, aircraft, home appliances, electric motors, combustion engines, and any other noise-producing objects.