Decision by City of Sarnia Ontario protects drinking water a( href=https://www.sarnia.ca/living-here/water-wastewater/backflow-prevention-program/)sarnia.ca/living-here/water-wastewater/backflow-prevention-program/ “ What is a cross connection?
A cross-connection is “any actual or potential connection between a potable water system and any source of pollution or contamination” (CSA, 2011).
T