Your irrigation system is the silent protector of your landscape investment. When it works, your lawn stays green, your plants stay healthy, and your water bill stays predictable. When it does not, the damage adds up fast — and in the Spring, TX climate, a malfunctioning system can waste over 25,000 gallons of water per year while simultaneously killing the lawn it is supposed to be keeping alive.
The challenge is that most irrigation problems develop slowly and underground, where you cannot see them. By the time the symptoms show up on the surface — dead patches, soggy corners, a water bill that doubled overnight — the underlying issue has often been building for weeks or months. Here are the five warning signs that tell you it is time to call for irrigation repair before a small problem becomes an expensive one.
1. Dry Spots and Uneven Coverage
If sections of your lawn are lush and green while other areas are brown, stressed, or crunchy underfoot, your system is not delivering water evenly. This is the most common — and most visible — sign of an irrigation problem, and it has several possible causes.
Clogged nozzles are the simplest explanation. Sediment, mineral buildup, and debris from the water supply can partially block the spray pattern, reducing coverage to specific zones. Misaligned heads are another frequent culprit — a head that has been bumped by a mower or shifted by soil movement may be spraying the sidewalk instead of the lawn. Pressure issues, such as a failing pump or a partially closed valve, can reduce the throw distance of rotary heads, leaving the far edges of each zone dry.
In Spring, TX, there is an additional factor that homeowners in other regions do not deal with: the Beaumont Clay soil expands and contracts with moisture cycles, and that ground movement can physically shift sprinkler heads and underground pipe connections out of alignment over time. If your dry spots appeared gradually over a year or two, soil movement is a likely contributor.
2. A Water Bill That Spikes Without Explanation
If your water bill suddenly increases by 20 percent or more without a change in your watering schedule, you almost certainly have a leak. A single broken sprinkler head can waste 9 to 16 gallons of water per minute during a watering cycle. Over the course of a month, one broken head running on a typical schedule can waste over 11,000 gallons — and that is just one head.
Underground pipe leaks are harder to detect but even more wasteful. In our area, PVC pipe joints are under constant stress from the expansion and contraction of Beaumont Clay. A joint that was watertight when installed five years ago may have developed a hairline crack that leaks every time the system pressurizes. The water seeps into the surrounding clay, never reaches the surface, and the only evidence is a line item on your utility bill.
If your bill has spiked, start by running each zone manually and walking the property while the system is on. Look for heads that are not popping up, water bubbling from the ground, or areas that are unusually soft and wet. If you cannot find the source, a professional pressure test will pinpoint the leak.
3. Soggy Areas When the System Is Off
If you notice puddles, mushy soil, or unusually green patches in areas where there should not be water — especially when the system has not run in days — you are looking at a leak, a stuck valve, or both. A valve that fails to close completely after a watering cycle will allow water to continue seeping into that zone indefinitely, saturating the soil and eventually drowning the turf.
In Spring, TX, this problem is compounded by the clay soil's inability to drain. Water from a slow valve leak has nowhere to go in Beaumont Clay, so it sits near the surface and creates a perpetually soggy zone. Left unchecked, this kills grass roots, breeds mosquitoes, and can contribute to the same kind of foundation saturation that a proper drainage system is designed to prevent.
4. Sputtering Heads and Erratic Spray Patterns
Sprinkler heads should produce a clean, consistent spray pattern every time the system runs. If heads are sputtering, misting instead of spraying, shooting water straight up, or producing an irregular pattern, the system is telling you something is wrong.
Low water pressure is a common cause — it can result from a partially closed backflow preventer, a failing pressure regulator, or a leak elsewhere in the system that is reducing the available pressure for the affected zone. Worn nozzles are another possibility; most nozzles have a functional lifespan of about two years in our area before mineral deposits and UV degradation affect their performance.
There are also two causes that are specific to the Houston area and worth knowing about. Fire ants are attracted to electrical components and frequently nest around irrigation valve boxes. Their activity can damage solenoid wiring, causing valves to malfunction, open and close erratically, or fail entirely. Texas alone sees an estimated $146.5 million in annual damage to electrical equipment from fire ants. The second cause is root intrusion from large trees — Live Oaks, Pines, and other mature trees common in Harris County neighborhoods can send roots into pipe runs and valve boxes, cracking joints and displacing components.
5. Your Controller Is Outdated or Malfunctioning
If your irrigation controller is more than eight to ten years old, it is costing you water and money even if everything else in the system is working perfectly. Older mechanical and basic digital timers run on fixed schedules regardless of weather — they water your lawn the morning after a three-inch rainstorm and cut back nothing during a heat wave. That kind of rigid scheduling wastes 30 to 60 percent of the water your system uses.
Modern smart controllers from brands like Rachio and Hunter Hydrawise connect to local weather stations and automatically adjust watering based on temperature, rainfall, humidity, and wind. They skip cycles when rain is in the forecast, increase run times during heat waves, and let you monitor every zone from your phone. In an area like Spring, TX — where Harris County MUD districts enforce watering restrictions during drought conditions — a smart controller keeps you compliant automatically.
Signs that your controller needs attention include zones that run at the wrong times or for the wrong duration, zones that skip randomly, a display that is blank or garbled, or a system that will not respond to manual commands. If the controller is the problem, upgrading to a smart unit is almost always more cost-effective than repairing an obsolete model.
Seasonal Maintenance Prevents Most Problems
The majority of irrigation failures we see in Spring, TX could have been prevented with basic seasonal maintenance. A professional inspection in early spring (March) catches freeze damage, soil-shifted heads, and ant damage before the heavy watering season begins. A mid-summer check (July) verifies that the system is keeping up with peak demand. And a fall winterization (November) protects exposed components — especially backflow preventers — from the occasional hard freeze that hits our area.
Between professional visits, homeowners should run each zone manually once a month and walk the property while the system is on. Look for heads that are not popping up fully, spray patterns that have shifted, and any signs of water where it should not be. Catching a $75 head replacement early prevents the $2,500 pipe repair that follows if the problem goes unaddressed.
Get Your System Checked
If you have noticed any of these five signs — dry spots, high water bills, soggy zones, sputtering heads, or a controller that is not doing its job — do not wait for the problem to get worse. Jerry Kem-Pen-Ski Landscapes provides full irrigation diagnostics and repair across Spring, The Woodlands, Tomball, Klein, and Cypress. We will test every zone, identify every issue, and give you a clear, honest repair plan.
Request a free irrigation assessment online, or call us at (713) 447-3398 to schedule a system check. Your lawn — and your water bill — will thank you.