RESOURCES Below is a quick list of Backflow Program links to all Municipalities in Simcoe County with a Backflow and Cross Connection Prevention program in place for your easy reference. City of Barrie City of Barrie's Backflow Prevention Program. Town of Blue Mountains Backflow prevention for the Town of Blue Mountains. Town of Midland Town of Midland's Cross Connection and Backflow Control Program. City of Orillia City of Orillia's Cross Connection and Backflow Prevention Program. Town of Penetanguishene Town of Penetanguishene's Backflow Prevention Program. Township of Ramara Cross Connection Bylaw for the Township of Ramara.