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💧 Leak Detection Lesson: The 3 Signs Your Irrigation System Is Losing Water Underground
One of the most expensive irrigation problems isn’t a broken sprinkler head you can see — it’s the leak you can’t see. Underground leaks waste water, lower pressure, and can quietly destroy landscaping.
Here are the three fastest ways professionals detect leaks in irrigation systems.
1. The Wet Spot That Never Dries
If you notice a patch of turf that stays soggy or greener than the surrounding lawn, that’s a classic underground pipe leak.
What’s happening:
Water is escaping from a cracked lateral line or fitting and saturating the soil constantly.
What to check:
Soft soil when you walk over it
Mushy turf
Grass growing faster than the surrounding area
2. Low Pressure in One Zone
If a zone suddenly looks weak — heads barely popping up or spray distance reduced — pressure is being lost somewhere in that line.
Common causes:
Cracked poly pipe
Broken PVC fitting
Split funny pipe at a sprinkler head
A leak steals pressure before it reaches the rest of the heads.
3. The Meter Test (Pro Trick)
This is one of the fastest ways to confirm a leak.
Steps:
Turn off all irrigation zones
Go to the water meter
Watch the leak indicator dial
If it’s spinning while the system is off, water is going somewhere — and it shouldn’t be.
Quick Pro Tip
Most irrigation leaks happen in three places:
Right beside sprinkler heads
At pipe fittings or tees
In areas where equipment or vehicles drive over the lawn
Always check these spots first before digging up the whole yard.
Why This Matters
A small irrigation leak can waste thousands of gallons per month, and most homeowners never notice until the water bill spikes.
The faster you detect it, the easier the repair.
💧 Question for the community:
What’s the most difficult irrigation leak you’ve ever had to find? Was it under a driveway, tree roots, or somewhere unexpected?
Let’s hear your stories.
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