News Onkaparinga calls for algal bloom action 29/08/2025 FacebookTwitterEmail The City of Onkaparinga has called for local government voices to be included in further action regarding the harmful algal bloom. - Advertisement - Tom Wyman The City of Onkaparinga has welcomed recent state and federal commitments to help coastal communities and businesses respond to the […] - Advertisement - Subscribe or Login to see the rest of the content. Username Password * Remember Me Forgot Password - Advertisement -