From downtown Old Monroe to every corner of Old Monroe, MGA Plumbing provides expert backflow testing with upfront quotes and a satisfaction guarantee. Call (888) 480-9811 and get a plumber on the way.
Call before your deadline — same-week scheduling is usually available.
Backflow preventers protect the public water supply from contamination and most utilities require annual testing by a certified tester. We test, certify, file the paperwork and repair or replace failed devices for homes, irrigation systems, fire sprinklers and commercial properties.
Because we dispatch from the St. Louis Metro area, a MGA Plumbing plumber can usually reach any address in Old Monroe fast — including St. Louis and O'Fallon. For backflow testing emergencies, that speed is the difference between a simple repair and major water damage.
Noticing any of these in your Old Monroe home or business? Serving every neighborhood in Old Monroe and the St. Louis Metro area.
Tell us what's happening. Our dispatchers are available 24/7 and will send the closest Old Monroe plumber.
We call when we're on the way and show up in a fully stocked truck ready to work.
We find the real cause — not just the symptom — and explain your options in plain language.
You approve the exact price before we start. No hourly surprises, no overtime fees.
Quality parts, careful workmanship and a job finished right the first time.
We leave your home clean and back every job with our workmanship guarantee.
Most Old Monroe calls are handled the same day you call.
Most repairs are completed in a single visit.
If it isn't right, we make it right.
Shoe covers, drop cloths and a thorough clean-up every time.
“Great experience with backflow testing at our home in Old Monroe. On time, honest, and finished the same day. Will call again.”
“We run a restaurant in Old Monroe and can't afford downtime. MGA Plumbing is our go-to for grease traps, drains and water heaters. Always fast.”
Yes — we provide backflow testing for restaurants, offices, retail stores, apartment buildings and industrial sites across Old Monroe.
We provide backflow testing in Old Monroe and surrounding communities including St. Louis, O'Fallon, St. Charles and St. Peters.
Absolutely. All backflow testing performed by MGA Plumbing in Old Monroe is backed by our workmanship guarantee.
Common signs include: annual test notice from the water utility, new irrigation system and commercial property compliance. If you notice any of these in your Old Monroe home or business, call (888) 480-9811 for a fast diagnosis.
We also provide backflow testing in these nearby communities:
Same-day service · Upfront pricing · 24/7 emergency response
Call (888) 480-9811