Sprinkler leak repair starts with finding where the water is coming from: a head, fitting, lateral pipe, valve, mainline or backflow preventer.
Once the source is found, the damaged part is repaired or replaced.
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Signs You May Need This Repair
- Soggy areas
- Water bubbling up
- Water in the valve box
- Low pressure
- A higher water bill
Common Causes
- Broken heads
- Cracked fittings
- Pipe damage
- Valve leaks
- Backflow preventer leaks

How a Technician Handles It
- Determine whether the leak happens during watering or all the time
- Isolate zones and lines
- Locate the leak
- Repair the head, fitting, pipe or valve
- Test for leaks and pressure
Repair or Replace?
Most leaks are repaired by replacing a single part or section. Recurring leaks may call for an inspection.
DIY or Call a Pro?
Noting when leaks happen and closing the irrigation shutoff are safe. Locating and repairing buried or pressurized leaks is usually a job for a technician.
Typical Cost
See our Sprinkler Leak Repair Cost Guide for typical ranges. Prices vary by location, parts, access and how much diagnosis is needed.
Related Problems
- Why Is My Sprinkler System Leaking?
- How Do I Know If I Have an Underground Sprinkler Leak?
- Why Is My Sprinkler Pipe Leaking?
- Why Is My Sprinkler Valve Leaking?
- Why Is My Backflow Preventer Leaking?
- Can My Sprinkler System Cause a High Water Bill?
Related Repairs
Frequently Asked Questions
Where do sprinkler leaks usually come from?
Heads, fittings, pipes, valves and backflow preventers.
Why does my sprinkler leak with the system off?
The mainline, valves and backflow preventer stay pressurized.
Will a leak raise my water bill?
It can, especially a continuous leak.
Bottom Line
Sprinkler leak repair is about finding the source first. A technician can locate the leak and repair only what’s damaged.
Diagnose My Sprinkler Problem See Typical Repair Cost Find a Sprinkler Pro













