News Chapman River opening proceeds after delay for safety of ecosystem 11/09/2025 FacebookTwitterEmail Kangaroo Island Landscape Board water officer Phoebe Edwards has been testing water quality of the Chapman River estuary. (Supplied) The artificial opening of Chapman River into Antechamber Bay has taken place after a delay prompted by the harmful algal […] Subscribe or Login to see the rest of the content. Username Password * Remember Me Forgot Password