1 county-level rule, plus city-specific rules for 1 city in Winnebago County, Illinois.
Verified from official government sources
Winnebago County has no county-wide noise ordinance with fixed quiet hours for unincorporated areas. State law (720 ILCS 5/26-1 disorderly conduct) and Illinois Environmental Protection Act noise rules (35 Ill. Adm. Code Part 900) apply. Rockford and other cities set their own quiet-hour windows.
720 ILCS 5/26-1(a)(1), (b)
Sec. 26-1. Disorderly conduct. (a) A person commits disorderly conduct when he or she knowingly: (1) Does any act in such unreasonable manner as to alarm or disturb another and to provoke a breach of the peace... (b) Sentence. A violation of subsection (a)(1) of this Section is a Class C misdemeanor.
1 cities in Winnebago County have their own noise ordinances rules. Each link goes to that city's dedicated page with code citations.
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