Repairing Your Damaged Piping Systems

How can you troubleshoot and repair your damaged irrigation piping?

Irrigation piping systems, over time, can become damaged, and begin to leak. Tree roots, an errant shovel and freezing temperatures all can damage underground irrigation pipes.


The easiest way to locate the areas where the pipes are damaged is to turn the sprinkler system on and look for water that puddles on the surface. Sprinkler heads that have a weak spray can also be an indication that you have a leak in your piping system.

Once you’ve found the trouble spots, first inspect the sprinkler heads to ensure there isn’t debris blocking the water. If they are clear, you’ll need to inspect the pipes.

Dig down to gain access to the pipes in the area where there is standing water and inspect them.

To Repair Pipes

Shut down the water running to the system. Cut out the damaged section of pipe using a PVC pipe cutter to insure smooth edges. You can also use a hand saw or reciprocating saw on larger diameter pipe, but you will need to de-burr the pipe edges.

Repairs can be made using a compression type repair coupling or a glue-on telescoping repair coupling. If you are using a glue-on repair coupling, you need to make sure you are using a PVC cement that is suitable for use in wet conditions such as IPS #725 Wet ‘R Dry.

Once the PVC cement has had time to cure properly, turn the system back on and check for leaks. Then, replace the soil and sod.

For more information about fixing damaged irrigation pipes, and to purchase supplies, contact the irrigation experts at W.P. Law Inc.

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