The state Department of Land and Natural Resources said the parties at Puu Olai beach included nude people dancing in drum circles.
Voters were deciding on council races and several charter amendments.
Seven proposed county charter amendments are on the ballot this fall.
State and federal agencies have been planning to dispose of the bombs since last year.
Maui County Council is using a live videoconferencing system for its council sessions.
The Hawaii Supreme Court is weighing long-standing disagreements over stream water diversion in East Maui.
UPDATED: The decision averted what many environmentalists feared was a gutting of the Clean Water Act.
Mayor Mike Victorino said it wasn’t clear how many patients the 15 infected Maui Memorial Medical Center employees had come in contact with.
The establishment of a popular Hawaiian immersion program several years ago has had an impact on the broader community, says the Hana High & Elementary principal.