FYI... Iowa DNR NewsConservation and Recreation For immediate release Friday, June 13, 2008 Boating Ban in Johnson County ; Fairport Closes Select Campsites SOLON - A boating ban has been issued for all waters in Johnson County , including rivers, Lake Macbride and the Coralville Reservoir, for safety reasons as most law enforcement staff is busy with flood related issues. Anglers may still fish from shore at Lake Macbride . In addition, the DNR will be closing campsites closest to the Mississippi River at the Fairport State Recreation Area, near Muscatine , because the river level continues to rise. Currently, the park is still open and camping is available. Contact the park directly for the latest information.