District 20
This alert is still enforced

Marine Safety Office Chicago
215 W. 83rd Street, Suite-D
Burr Ridge, Illinois 60527

Boating Community Alert

Due to the tragic events of September 11th, 2001, the Captain of the Port Chicago has established Security Zones within the Chicagoland area. These Zones will remain in effect until further notice.

The Security Zones are as follows:

  1. William E. Dever Crib, Lake Michigan (100 yards in all directions);
  2. 68th Street Crib, Lake Michigan (100 yards in all directions);
  3. South Water Treatment Plant, Lake Michigan (100 yards in all directions);
  4. Jardine Treatment Plant, Lake Michigan (between the Jardine Plant and Navy Pier);
  5. Navy Pier, Lake Michigan (between Navy Pier and Dime Pier);
  6. Zion Nuclear Power Plant within a 1000 yard by 1000 yard box extending from shore (inside the lighted buoy line);
  7. Donald C. Cook Nuclear Power Plant within a 400 yard by 1000 yard rectangle extending from shore (inside the lighted buoy line);
  8. Palisades Nuclear Power Plant within a 1000 yard by 1500 yard box extending from shore (inside the lighted buoy line);
  9. Dresden Nuclear Power Plant south of the mouth of the canal opening onto the Des Plaines River at river mile 272;
  10. Byron Nuclear Power Plant within a 100 yard radius.

Entry into these areas is prohibited unless authorized by the Captain of the Port, Chicago or the designated Patrol Commander.

Violation of any of these Security Zones carries a maximum penalty of seizure and forfeiture of the vessel (and all accompanying equipment & belongings on board), up to ten years imprisonment, and/or up to a $25,000.00 fine (50 U.S.C. 191 & 192) Questions can be referred to the Port Operations Dept. at (630) 986-2175.