Clean, safe drinking water is something most homeowners take for granted, yet it relies on a delicate balance of pressure, proper plumbing design, and effective safeguards working behind the scenes.

The following companies employ backflow prevention assembly testers authorized to test in San Francisco under Article 12A of the San Francisco Health Code. San Francisco Department of Public Health, ...

Outage Notification: Toronto Water’s online forms will be unavailable Saturday, March 7 from 10 p.m. to Monday, March 9 at 9 a.m. We apologize for any inconvenience that this might cause.