One huge change that came with the new Minnesota State Plumbing Code that went into effect on January 23rd of this year was the requirement for annual backflow preventer testing. Here's the exact code ...

Backflow occurs when water flows in the opposite direction than intended, potentially contaminating the clean water supply. This can happen due to a sudden drop in pressure, a back siphonage event, or ...

If you are a Birmingham Water Works (BWWB) customer with a sprinkler system, ground well, or swimming pool, you may have recently received a letter regarding the inspection/installation of a backflow ...