Why You Shouldn't Skip Your RPZ Backflow Testing

If you've just received a notice from the city about your annual rpz backflow testing, you're likely staring at that piece of paper wondering why you have to pay for yet another inspection. It feels like one of those "hidden" homeowner or business owner taxes that just pops up out of nowhere. But, as annoying as the paperwork might be, that RPZ valve is actually the only thing standing between your clean drinking water and some pretty nasty stuff you definitely don't want in your morning coffee. ...

February 6, 2026 · 7 min · Aileen Katrine