HEALTH authorities have launched an investigation into a potential contamination of the mains water at Mt Eliza’s Emil Madsen Reserve following reports of a gastro outbreak. The onset of the illness on the weekend of 26-27 July occurred around the same time several visitors to the reserve had noticed the tap water appearing unusually “cloudy”.Mornington Peninsula turned off the mains water and closed the reserve with affected sporting games being moved to other reserves. The shire had also issued a community warning on Facebook for people to “not drink or use the water in this area at this time”.Emil Madsen…