Understanding why commercial irrigation systems require repairs—and why lawn mowers aren’t always to blame.
When a commercial property experiences a broken sprinkler head, leaking irrigation line, or damaged fitting, one of the first questions property managers and HOA boards often ask is, “Did the landscaping crew hit it with a mower?”
It’s a reasonable question, but the answer is often more complicated.
While equipment-related damage can occur, many commercial irrigation repairs are the result of aging infrastructure, shifting soils, environmental conditions, and normal wear and tear. In Colorado, where expansive clay soils, prolonged dry periods, and significant temperature fluctuations are common, these factors can have a substantial impact on underground irrigation systems.
Understanding what causes irrigation failures can help property managers make informed maintenance decisions, establish realistic budgets, and avoid unnecessary assumptions about damage.
Commercial Sprinkler Heads Are Designed for Commercial Landscapes
Commercial irrigation systems are generally designed to withstand the demands of routine landscape maintenance.
Many commercial-grade pop-up sprinkler heads are installed at or slightly below finished grade, allowing properly operated commercial mowing equipment to pass over them without causing damage. Their retractable design helps protect internal components when the system isn’t operating.
Under normal conditions, a properly installed sprinkler head should not break simply because a commercial mower travels over it.
However, sprinkler heads can become vulnerable when surrounding soil settles, roots shift, or the head rises above the intended grade. Heads that are exposed, tilted, or improperly installed are more susceptible to damage from routine maintenance equipment.
It’s important to distinguish between a sprinkler head that was damaged by direct equipment contact and one that failed because its position or structural integrity had already been compromised.
A broken sprinkler head alone is not evidence of mower damage.
Aging Irrigation Systems Require Ongoing Component Replacement
Many commercial properties throughout Colorado Springs have irrigation systems that have been in service for 15, 20, or even 30 years.
Like any mechanical system, irrigation infrastructure has a finite service life.
Sprinkler heads, valves, fittings, seals, solenoids, and underground piping are subjected to years of pressure fluctuations, environmental exposure, soil movement, and seasonal operation.
Over time, components naturally deteriorate.
Common age-related irrigation issues include:
- Brittle PVC fittings and piping: Older materials can become more susceptible to cracking under stress.
- Worn sprinkler seals: Rubber components deteriorate, resulting in leaks around sprinkler risers.
- Failing valves and solenoids: Electrical and mechanical components eventually require replacement.
- Damaged risers and connections: Repeated movement and stress can weaken underground connections.
- Pressure-related failures: Water hammer, excessive pressure, and pressure fluctuations can contribute to premature component failure.
- Settling sprinkler heads: Changes in surrounding soil elevation can leave heads improperly positioned.
As irrigation systems age, repairs may become more frequent. This doesn’t necessarily indicate poor maintenance or improper operation. It often means that original components are reaching the end of their useful service life.
Just as an aging HVAC system requires replacement parts, irrigation systems need ongoing investment to remain functional and efficient.
Colorado’s Expansive Clay Soils Create Underground Stress
One of the most overlooked contributors to irrigation failures is the soil itself.
Much of Colorado’s Front Range contains expansive clay soils that swell when they absorb moisture and shrink as they dry.
This repeated expansion and contraction creates movement beneath the landscape.
While that movement may not always be visible at the surface, underground irrigation components can experience considerable stress.
As soil expands, it can exert pressure against buried piping and fittings. When it contracts, voids and uneven support can develop around those same components.
Over time, these cycles can contribute to:
- Cracked PVC pipes and fittings
- Separated or stressed irrigation connections
- Shifted sprinkler heads and valve boxes
- Underground leaks
- Misaligned or sunken irrigation components
Rigid PVC piping is particularly vulnerable to repeated stress because it has limited flexibility compared with more adaptable materials.
A pipe that performed reliably for years may eventually fail after repeated cycles of soil movement.
When this happens, the resulting leak may appear suddenly, even though the conditions contributing to the failure developed over several seasons.
Drought Conditions Can Make the Problem Worse
Colorado’s periodic drought conditions add another challenge to commercial irrigation infrastructure.
During extended dry periods, clay soils lose moisture and shrink. This contraction can create gaps around buried piping and cause uneven settlement throughout landscaped areas.
When irrigation resumes or substantial rainfall occurs, soil moisture increases and expansive soils may swell again.
These changes place additional stress on underground infrastructure.
Drought can also affect sprinkler heads at the surface.
As soil dries and settles, heads that were originally flush with the turf may become elevated, tilted, or exposed. Their increased vulnerability to mower contact may be a consequence of changing site conditions rather than improper mowing practices.
Ironically, the irrigation system responsible for maintaining healthy turf is also exposed to the consequences of changing soil moisture.
This is one reason irrigation failures can occur even when a property has received consistent, professional landscape maintenance.
Not Every Repair Is Evidence of Damage by a Contractor
When a property receives several irrigation repair recommendations, it’s understandable for a board or property manager to question why so many components need attention.
However, the discovery of a repair doesn’t establish what caused the failure.
A cracked fitting, leaking valve, or broken sprinkler riser may have developed from years of deterioration, soil movement, pressure stress, freeze damage, installation deficiencies, or direct physical impact.
Determining the cause requires evaluating the specific conditions surrounding the failure.
For example, a sprinkler head with visible impact marks or a freshly fractured housing may suggest mechanical contact. A brittle underground fitting that cracks at a connection may indicate an entirely different issue.
It’s important to recognize that correlation is not causation. The fact that an irrigation problem is discovered after a landscape maintenance visit does not necessarily mean the maintenance crew caused it.
At the same time, legitimate equipment-related damage should be acknowledged and corrected when evidence supports that conclusion.
The goal should always be accurate identification of the problem rather than automatically assigning blame.
Frequent Repair Recommendations Can Actually Be a Good Sign
One of the most important aspects of professional irrigation management is ongoing monitoring.
A landscape contractor who regularly identifies leaks, malfunctioning sprinkler heads, pressure problems, or failing components is actively evaluating the system.
That’s a good thing.
Undetected irrigation failures can result in excessive water consumption, stressed turf, erosion, landscape decline, and unnecessary utility expenses.
Identifying problems early allows property managers to address relatively minor failures before they develop into larger, more expensive issues.
A repair proposal should not automatically be viewed as evidence that something went wrong during maintenance.
In many cases, it demonstrates that someone is paying attention.
Properties with aging irrigation systems may experience an increased volume of repair recommendations precisely because those systems are being inspected and monitored more consistently.
Planning for Irrigation Infrastructure as a Long-Term Asset
Commercial irrigation systems represent a significant infrastructure investment, yet they are frequently treated as though they should operate indefinitely without component replacement.
For HOA communities, apartment complexes, and commercial properties, irrigation maintenance should be part of a long-term asset management strategy.
Property managers and boards should consider establishing annual irrigation repair allowances, tracking recurring failures, evaluating operating pressure, and identifying portions of the system that may eventually require replacement rather than continued individual repairs.
A property experiencing repeated failures along the same irrigation mainline, for example, may benefit more from replacing a deteriorating section than continuing to repair isolated breaks.
Proactive planning helps communities better manage expenses while protecting their landscapes and water resources.
The Bottom Line: Irrigation Systems Age, Even When Properly Maintained
A broken sprinkler head or leaking irrigation line doesn’t automatically mean someone damaged it.
Commercial irrigation systems operate in challenging underground environments, and Colorado’s expansive soils, recurring drought conditions, freeze-thaw cycles, and aging infrastructure all contribute to component failure.
While equipment damage is possible, it should be identified through evidence rather than assumption.
At Elevate Landscapes, we believe effective irrigation management goes beyond simply turning the system on and off. It requires consistent monitoring, honest assessments, timely repairs, and helping property owners understand the condition of their infrastructure.
An irrigation repair recommendation isn’t necessarily a sign of poor maintenance. Often, it’s evidence of responsible maintenance in action.
When contractors and property managers approach irrigation repairs collaboratively, the result is healthier landscapes, improved water efficiency, and better long-term stewardship of the property’s investment.
Elevate Landscapes | Colorado Springs, Colorado
Professional Commercial Landscape Maintenance, Irrigation Management, Landscape Enhancements & Snow and Ice Services
If your commercial property or HOA is experiencing recurring irrigation failures, Elevate Landscapes can help evaluate existing system conditions, identify potential underlying concerns, and develop a practical maintenance and repair strategy.
