2 county-level rules, plus city-specific rules for 1 city in Will County, Illinois.
Verified from official government sources
Will County and its municipalities require fully shielded, downward-directed exterior lighting for new commercial and subdivision development. Intermodal yards near Elwood/Joliet have lumen caps to reduce glare on adjacent residences and Midewin National Tallgrass Prairie.
Will County limits light trespass to 0.5 foot-candles at residential property lines and 1.0 foot-candle at nonresidential boundaries. Complaint-driven enforcement handled by Building & Zoning. Joliet, Bolingbrook, and other municipalities enforce parallel rules.
1 cities in Will County have their own outdoor lighting rules. Each link goes to that city's dedicated page with code citations.
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Will County Ordinance Hub →