Secure Water Systems of Guelph, Ontario are your ‘Backflow Prevention Specialist’ when it comes to annual backflow testing, cross connection control surveys, installations, and for repairs and service on water supply systems. We service the Guelph, Kitchener/Waterloo, Cambridge, Brantford and the Hamilton, Burlington areas. Secure Water Systems ensure the supply of safe, clean drinking water. The Backflow Prevention Program will help identify all cross-connections where potential contamination's of potable water may occur. Sources of Cross-Connection: Boilers, Cooling Towers and chillers - Fire Sprinkler Systems.