Lake and golf community · Chandler
Leak detection in Ocotillo
Built around interconnected lakes filled with reclaimed water, and still infilling decades later, Ocotillo is green in a way the surrounding desert is not — and that changes what evidence is worth anything.
Ocotillo is a master-planned lake and golf community in south Chandler, developed from the mid-1980s onward, which means copper under the earliest slabs, PEX under the newest, and irrigated ground throughout that hides a leak well.
Ocotillo is organised around interconnected man-made lakes in south Chandler, and the lakes are filled with reclaimed water from the city’s treatment facility. That is an engineering decision with a visible consequence: the community can support a landscape far greener than the desert around it.
It is also a community that has been filling in for a long time. The golf club opened in 1986 and neighbourhoods were still being added decades later, so the housing spans the whole copper-to-PEX transition. Knowing the year of your own house is worth more here than knowing the name of the community.
Which pipe generation does an Ocotillo home have?
It depends on the year, because the community has been building since the mid-1980s. The earliest homes are on copper, the middle ones on CPVC, and the most recent on PEX.
Copper from the late 1980s is now old enough to pinhole, and it does so at bends and rub points rather than in the middle of a run. PEX from the 2010s does not corrode at all and fails instead at a crimp or a manifold port. Those two failures need different equipment and a different order of tests, which is why the first question we ask is about the year rather than the address.
Related: slab leak detection and PEX and copper repiping.
| What we go on | In Ocotillo |
|---|---|
| Build window | from the mid-1980s, still infilling |
| City or jurisdiction | Chandler, Arizona |
| Likely supply material | copper on the earliest homes, then CPVC and PEX as the community kept infilling |
| What tends to fail first | copper pinholes on the older streets; irrigation laterals everywhere else |
| What we check first | the year the house was finished, then the meter with the irrigation isolated |
Where does Ocotillo sit against Chandler’s housing age?
Ocotillo straddles Chandler’s median rather than sitting to one side of it, since it started before the city’s big growth and continued through it.
Chandler’s Census profile lands in the middle of Ocotillo’s range rather than describing either end of it. The American Community Survey puts the city’s median year of construction at 1997, with one home in ten predating 1980 and four in ten built since 2000.
| Housing across Chandler city, Arizona | Share |
|---|---|
| Median year built | 1997 |
| Built before 1980 | 10 percent |
| Built since 2000 | 42 percent |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2023). Geography: Census place.
Why does a lush landscape make leaks harder to see?
Because it removes the contrast that a leak normally creates. On a gravel lot a wet patch stands out; in a community watered heavily enough to stay green through June, another wet patch is simply more of what is already there.
The lakes compound it. They are interconnected and filled from a reclaimed supply, so there is a lot of water moving through the community by design, and soil near any of it is moist as a matter of course. A homeowner walking the garden looking for the wettest ground will find something every single time, leak or no leak.
So the sequence has to start with a measurement rather than an observation. Shut the house down and read the meter twice; a moving dial is the only honest proof that water is escaping at all. Isolate the irrigation and read again; that says which system. After that, listening equipment and pressure testing find the line. The ground is the last thing we look at, not the first.
Related: irrigation and drip leak detection and why the bill jumped.
Asked and answered
What do people in Ocotillo ask us?
What plumbing is under an Ocotillo home?
It depends on the year the house was finished, because the community has been building since the mid-1980s. The earliest homes are on copper, which pinholes at bends and rub points; the most recent are on PEX, which fails at crimps and manifold ports instead. The two need different tests, so the build year is the first thing we ask about.
Are the lakes anything to do with my water bill?
No. The community's lakes are filled with reclaimed water from the city's treatment facility and are a separate system from your household service. What they do affect is diagnosis: they keep the surrounding soil moist, which removes the visual clue people normally rely on and makes a meter reading the only trustworthy first step.
Everything stays green here. How do I know whether I have an irrigation leak?
Isolate the irrigation supply and read the water meter twice, about ten minutes apart, with the house switched off. If the dial stops once the irrigation is closed, the loss is in the yard; if it keeps moving, it is in the house. In a landscape watered this heavily that test is worth far more than anything you can see.
Losing water somewhere in Ocotillo?
Tell us roughly when the house was built and what the meter does with everything off, and we will say what it points to.
5.0 on Google
What customers in the Phoenix valley have written. The words are theirs, on listings we cannot edit.
“Humberto has been amazing! Prompt, professional, and patient. He has gone above and beyond, taking the time to show me how to operate the water valves and educating me so I can continue to monitor for future leaks. He identified multiple leaks and made thoughtful recommendations.”
“Beto was very professional, thorough and patient in explaining everything he was doing and why. It was an excellent and well worth it experience, and this is saying something for an architect who had a hundred questions!”
“The owner and operator of this company is everything a contractor should be. On time, honest, competent, reachable, comprehensive. Hope to work with him again in the future.”