Money-saving
Test the irrigation backflow preventer
The backflow preventer keeps irrigation water from siphoning back into your drinking supply.
- How often
- Yearly
- Who
- DIY or pro
- Typical cost
- Up to $100
- Time
- 30 min
Why this matters
The backflow preventer keeps irrigation water from siphoning back into your drinking supply.
If you skip it: A failed preventer can contaminate household water; many areas require testing.
Who should do it
You can do this yourself if you're comfortable, or hire it out. Many homeowners DIY it once they've seen it done.
When to do it
Aim for spring. It's the natural reset after winter. Repeat once a year.
Frequently asked questions
How often should I test the irrigation backflow preventer?+
Plan to test the irrigation backflow preventer once a year. The backflow preventer keeps irrigation water from siphoning back into your drinking supply.
How much does it cost to test the irrigation backflow preventer?+
It typically runs Up to $100. You can do this yourself if you're comfortable, or hire it out. Many homeowners DIY it once they've seen it done.
What happens if I skip it?+
A failed preventer can contaminate household water; many areas require testing.