Boat ramps across Utah closed or restricted due to drought Utah Division of Parks and Recreation; National Park Service Millsite State Park boat ramp (Emery County) and Wahweap boat ramp at Lake Powell are seen with extremely low water levels due to Utah's drought. and last updated 2021-07-17 20:44:50-04 SALT LAKE CITY â The extreme drought across the state of Utah has clearly impacted lakes and reservoirs, and several state parks have had to shut down their boat ramps to motorized watercraft as a result. Some ramps at Lake Powell have also been restricted to certain uses. As of the latest update, the following ramps were closed to motorized boat launches: