From downtown Farmington to every corner of Farmington, MGA Plumbing provides expert backflow testing with upfront quotes and a satisfaction guarantee. Book online or call (888) 480-9811.
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.
Call before your deadline — same-week scheduling is usually available.
Because we dispatch from the St. Louis Metro area, a MGA Plumbing plumber can usually reach any address in Farmington 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 Farmington home or business? Serving every neighborhood in Farmington and the St. Louis Metro area.
Tell us what's happening. Our dispatchers are available 24/7 and will send the closest Farmington 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.
We know Farmington's homes, soil, water and codes.
Flat-rate quotes approved by you before work begins.
If it isn't right, we make it right.
Most Farmington calls are handled the same day you call.
“MGA Plumbing handled our backflow testing quickly and courteously. They cleaned up afterward and the final bill matched the estimate exactly.”
“They answered the phone at 6am and the plumber was here by 8. Toilet was overflowing and they fixed it in 30 minutes. Lifesavers.”
Absolutely. All backflow testing performed by MGA Plumbing in Farmington 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 Farmington home or business, call (888) 480-9811 for a fast diagnosis.
Yes — we provide backflow testing for restaurants, offices, retail stores, apartment buildings and industrial sites across Farmington.
Yes. MGA Plumbing offers same-day and 24/7 emergency backflow testing throughout Farmington, MO. Call (888) 480-9811 and we'll dispatch the nearest plumber.
We also provide backflow testing in these nearby communities:
Same-day service · Upfront pricing · 24/7 emergency response
Call (888) 480-9811