Reliable Backflow Testing & Irrigation Services
Reliable Irrigation Testing, Opening, and Closing in St. Charles County. Call Now: (636) 697-0022
Open Irrigation System
- Get your sprinkler system functioning.
- Necessary every spring season.
- $100
Backflow Device Testing
- Make sure your system is up and running.
- Required by MO Dept. of Natural Resources
- $60
Closing & Winterizing
- Close your irrigation system.
- Prevent freezing over winter.
- $150
Full Annual Package – $225
Schedule your 2026 service today!
“I’m very happy with my decision to call O’Fallon Backflow and Irrigation Services. I called in the morning and Steve had my testing done before the end of the day. He was professional, polite, and very reasonable cost wise compared to others I had talked to. Couldn’t recommend enough.”
Matthew Doughty