You walk outside and discover a geyser shooting up from your front yard, a massive puddle forming in the flower bed, or water flooding across your driveway. A broken sprinkler system can waste hundreds or even thousands of gallons of water in a matter of hours, damage your landscaping, erode soil, and drive up your water bill dramatically. Knowing what to do in the first few minutes of a sprinkler emergency can save you significant money and prevent further damage to your property.
The very first thing you should do is stop the flow of water. There are two ways to do this depending on the severity of the problem. If a single zone is leaking or a sprinkler head is broken, you can turn off that zone from your irrigation controller. Set the controller to the off position or manually advance past the active zone. If the problem is more serious — like a broken main line, a cracked backflow preventer, or a leak that is occurring even when the system is not running — you need to shut off the water supply to the irrigation system directly. Locate your irrigation shut-off valve, which is typically near the backflow preventer on the side of your house or at the water meter. Turn it clockwise to close it completely. If you cannot find the irrigation shut-off, turn off the main water supply to your house to stop the leak until you can get help.
Once the water is off and the immediate crisis is contained, take a moment to assess the situation. Identifying the type of break will help your repair technician arrive prepared with the right parts and tools. Common emergency scenarios include a sprinkler head that has been sheared off by a lawn mower, car tire, or foot traffic, which creates a visible geyser when that zone runs. A cracked or burst lateral pipe underground will cause water to bubble up from the soil in a concentrated area. A broken main line before the valve manifold will leak continuously even when the system is off. A cracked backflow preventer — often caused by a freeze — will spray water from the device itself, usually near the side of your house. A stuck valve that will not close can keep a zone running indefinitely, flooding that area of your yard.
Take a photo or video of the problem if you can. This will help your irrigation technician understand the issue before they arrive and bring the correct parts on the first trip.
With the water shut off, take steps to prevent additional damage. If water is pooling near your foundation, use a broom or rake to create a channel that directs the standing water away from the house. If a broken head has created a muddy crater, mark the area so no one steps in it and further damages the fitting below ground. If the break occurred in a flower bed, check that the flowing water has not washed out mulch or exposed plant roots — you may need to push soil back around displaced plants once the area dries out.
Understanding what causes sprinkler emergencies can help you prevent them in the future. In North Texas, the most common causes are freeze damage, which is the number one cause of emergency repairs in our area. When water inside pipes, backflow preventers, or valve components freezes, it expands and cracks the fittings. This damage often goes unnoticed until the system is turned on in spring. Clay soil movement is another major cause — the expansive clay in Plano, Allen, Frisco, and surrounding areas constantly shifts as it absorbs and releases moisture, and this puts stress on rigid pipe connections, causing them to crack or separate over time.
Mower and equipment damage accounts for a large number of emergency calls. Sprinkler heads that are not properly adjusted to sit flush with the ground surface get clipped by mower blades or struck by edgers. Age and wear also play a role — older PVC pipes become brittle over time, and fittings that have been under pressure for 15 or 20 years are more likely to fail suddenly. Finally, tree root intrusion can crush or displace irrigation pipes, especially in mature landscapes where roots have grown into the pipe trenches.
A single broken sprinkler head is a relatively simple fix that some handy homeowners can handle with a trip to the hardware store. But most emergency situations benefit from professional repair. Call a professional if the leak is underground and you cannot identify the exact location, if the backflow preventer is cracked or damaged, if a main line is broken, if a valve is stuck open and will not close electronically, if multiple zones are affected, or if you are unsure how to shut off the water supply to your irrigation system. Attempting to dig up and repair underground pipes without experience can result in additional breaks, damage to other utility lines, or an improper repair that fails again within days.
The best emergency is one that never happens. Schedule a professional winterization every fall to blow out all water from your pipes before the first freeze. Have your system inspected every spring to catch small problems before they become emergencies. Mark your sprinkler heads with small flags when mowing to avoid striking them. Keep an eye on your water bill — a sudden spike often indicates a leak you have not noticed yet. And know where your irrigation shut-off valve is before you need it in a crisis.
At JC Apex Home Services, we offer fast-response sprinkler repair throughout Plano, Allen, Frisco, McKinney, Richardson, and the greater DFW area. When your irrigation system breaks, we arrive prepared with a fully stocked truck and the experience to diagnose and fix the problem quickly. We know that every minute a broken system runs is money down the drain, so we prioritize emergency calls and work efficiently to get your system back online. Save our number — (214) 770-0648 — so you are ready if an emergency strikes.