33 CFR 100.909 - Chinatown Chamber of Commerce Dragon Boat Race; Chicago, IL.
(a)Regulated Area. All waters of the South Branch of the Chicago River from the West 18th Street Bridge at position 41°51′28″ N, 087°38′06″ W to the Amtrak Bridge at position 41°51′20″ N, 087°38′13″ W (NAD 83).
(c)Effective Date. These regulations are effective annually on the second Friday and Saturday of July from 11:30 a.m. to 5 p.m. The time and date for this event are subject to change. In the event of a schedule change, the Coast Guard will issue a Notice of Enforcement with the exact date and time that this regulated area will be enforced.