Leak Detection in Covina, CA

Houses and pipes in Covina

Older homes near downtown Covina date from the early 1900s through the 1940s, some on raised foundations. Most of the city is single-story homes from the 1950s and early 1960s on slabs, with copper or galvanized supply lines.

The city supplies water to much of Covina, with other providers in some neighborhoods. Check your bill.

Covina leaks

Sixty-plus-year-old copper causes slab leaks and pinhole leaks, galvanized lines rust and lose pressure, and older service lines under mature trees crack. Hard water wears out heaters.

Typical leak costs in Covina

A citrus town turned suburb

Covina was a citrus center in the early 1900s, with a busy downtown that still anchors the city. After the Second World War, groves gave way to tract homes, and most of Covina's housing went up in the 1950s and early 1960s. Those single-story homes sit on slabs with copper or galvanized supply lines that are now sixty-plus years old. Slab leaks, pinhole leaks, rusty water and low pressure are the most common plumbing problems.

Slab leaks in tract homes

A hot-line slab leak shows up as a warm floor, a water heater that runs constantly or the sound of water moving at night. Because so many Covina homes share builders and layouts, plumbers can often predict where the hot line runs. Acoustic and thermal tools then mark the exact spot.

Rusty water and galvanized pipe

Some Covina tracts were built with galvanized pipe, which rusts from the inside and narrows until pressure drops. Brown water when a tap first opens and leaks at threaded joints are signs. A repipe is usually the long-term fix.

Downtown's older homes

Homes near downtown from the early 1900s through the 1940s may sit on raised foundations, with galvanized pipe in the crawlspace. Leaks there are reachable without breaking floors.

Mature trees and service lines

Covina's mature street trees can crack older service lines. A lifted sidewalk, a wet strip in the lawn or water at the curb are typical signs.

Water providers

The city supplies water to much of Covina, with other providers in some neighborhoods. Your bill names yours.

Hard water

Covina's water is hard, and heaters collect sediment and fail sooner.

Before you call about a Covina leak

Tell the plumber the home's approximate age, whether it's a downtown house on a raised floor or a slab tract home, and what the meter does with every fixture off.

Costs in Covina

Locating usually falls in the range above. Covina's one-story tracts are among the cheaper places in the valley to reroute or repipe.

Reroute, repair or repipe in Covina

Once a slab leak is marked, Covina homeowners usually weigh three options. A spot repair opens a small hole at the leak and fixes that section, which is cheapest today but leaves the rest of the seventy-year-old pipe in place. A reroute runs a new line through the attic to replace the leaking run, avoiding any floor damage. A repipe replaces every supply line in the house. In Covina's single-story homes, reroutes and repipes are both straightforward, and if the house has already had one leak, the repipe often makes the most sense over the next decade.

Downtown Covina and Citrus Avenue

Downtown Covina, along Citrus Avenue, still has the feel of the citrus town it once was, and the residential streets around it include homes from the early 1900s through the 1940s. Some of those houses sit on raised foundations with galvanized pipe in the crawlspace, while others were built on early slabs. Galvanized pipe that old has usually rusted inside enough to cut pressure noticeably, and it leaks at threaded fittings. Raised homes are easier to repair, since the plumber can work from below without opening floors.

Post-war tracts and shared floor plans

Most of Covina's housing went up in the 1950s and early 1960s, when tract builders cleared citrus groves for single-story homes. Many streets have homes built to the same two or three floor plans, which means the supply lines under the slabs follow similar routes. A plumber who works in Covina regularly can often predict where the hot line runs from the water heater to the kitchen and bathrooms. That familiarity, combined with acoustic listening and thermal imaging, makes for a fast, precise search. The aim is to open the floor in one small spot, not to explore.

Converted garages and additions

Many Covina homes have been expanded over the decades with a family room, an extra bedroom or a converted garage. Lines extended to those spaces were often added in a different material than the original pipe, and the joints between old galvanized and newer copper or plastic corrode faster than either material alone. A damp patch near an addition, low pressure in one room or a meter that moves even with the main part of the house quiet can all point to a leak on that branch.

Water heaters and hard water

Covina's water is hard, and garages here get hot in summer. Water heaters collect sediment at the bottom of the tank, which makes them run hotter and corrode faster. A popping sound when the heater fires, rust around the base or a drip from the bottom are signs of trouble. Flushing the tank once a year slows the buildup, and checking the temperature and pressure relief valve can catch a drip early.

A typical Covina leak search

Most Covina leak calls start with a meter test, then a look at toilets, the water heater and the irrigation. If the meter still moves, closing the cold inlet at the heater shows whether the hot side is losing water. Acoustic and thermal tools then mark the exact spot under the slab. Under the older raised houses near Citrus Avenue, a short crawl with a light usually turns it up. Most searches take an hour or two.