There’s a story about backflow prevention in this issue of Municipal Sewer & Water. Backflow prevention is important, but it goes beyond your water systems.
Think of backflow prevention as the gate between progression and regression. No one — and no project or process — moves continually forward at a constant pace. There are dips in momentum, and at those low points, it becomes much easier to slip backward instead of preparing for the next surge forward.
In a water system, whatever backflow prevention device you’re using prevents water that has entered a private system from flowing back into your utility’s distribution system. It’s
