Mr Sprinkler Repair

Sprinkler Repair

Mr Sprinkler Repair

5 Common Causes of Lawn Sprinkler Leaks

Managing a lush, beautiful lawn is no small feat—especially when an underground sprinkler system decides to act up. Sprinkler leaks can be a source of frustration for homeowners, leading to wasted water, increased bills, and potential damage to your lawn and garden. Understanding the common culprits behind these leaks can help you quickly identify and resolve issues, keeping your green spaces thriving. Here are the five most common causes:

1. Broken Pipes

One of the primary causes of sprinkler leaks is broken or cracked pipes. These breaks can occur due to several reasons, such as the natural settling of soil, heavy machinery rolling over the lawn, or even abrupt temperature changes causing the ground—and the pipes—to expand and contract. Signs of broken pipes include unusually wet areas in your yard or water bubbling up from the ground when the system is running.

2. Faulty Valves

Valves are crucial components of your sprinkler system, responsible for controlling water flow to each sprinkler head. When valves are faulty or fail to close completely, they can cause leaks. This might manifest as a sprinkler head that leaks even when the system is turned off or low water pressure that affects sprinkler performance across a zone.

3. Overgrown Roots

Trees and large shrubs add beauty and shade to your property, but their roots can be formidable foes to your sprinkler system. Over time, growing roots may encroach on sprinkler lines, squeezing them and eventually breaking into them, causing leaks. In some cases, you might not detect these leaks until you notice a decline in the health of your plants due to insufficient watering or water pooling in unexpected areas.

4. Worn Out Seals or Gaskets

Sprinkler heads contain seals or gaskets to keep water contained until it’s ready to be dispersed. Over time and with exposure to the elements, these seals can wear out or crack, leading to leaks. Regularly inspecting your sprinkler heads for signs of wear and replacing parts as needed can prevent this from becoming a problem.

5. Improper Installation or Maintenance

Sometimes, the root cause of sprinkler leaks can be traced back to the initial installation or lack of proper maintenance. Using mismatched parts, installing pipes too shallowly, or neglecting annual system checks for wear and tear can all lead to issues down the line. Hiring a professional for installation and regularly scheduled maintenance can save you from headaches and leaks in the future.

Understanding these common causes of sprinkler leaks empowers you, the homeowner, to keep your irrigation system running smoothly. Remember, the key to a healthy lawn is not just regular watering but ensuring that water is delivered efficiently and effectively through a well-maintained sprinkler system.


If you have any questions or need any type of sprinkler system repair, the experts at Mr Sprinkler Repair will be glad to help. Give us a call or 855-695-1000 to set an appointment.