Leak Detection:
Instructions for self-test
  • Fill pool to normal level
  • Turn off auto fill devices
  • Place filled bucket in pool
  • Mark water level in each
  • Measure water loss in each after 24 hours of normal operation
  • Compare

The bucket test allows a definite determination of how much water is being lost to evaporation. See the instructions above.

The test involves exposing water in a bucket to the exact same environmental conditions as those effecting the pool, and then comparing the amount of water lost in each. This is a simple test that can be done by the pool owner.

Since the bucket only looses water to evaporation, while the pool looses water to both evaporation and any leaks, a pool water loss of more than the bucket is indicative of a leak.

Leak Detection

VanRoy Pools leak detection expert with follow a systematic approach when locating your pool leak. The process involves collecting and analyzing a great deal of information. Knowledge of swimming pool operation and construction, use of specialized equipment, and on the job experience will all come into play as we locate the leak(s) in your pool.

The first step happens before we even schedule a service call. You should be prepared to provide information about your pool to the technician over the phone when you first call. When did you first notice the leak problems? How much water is losing? How old is the pool? What type of pool is it? The more information you can provide about the suspected pool leak the better.

We then may suggest a “ON + OFF” test. This could determine if it’s a pipe that is damaged or the basin is leaking. A “Bucket Test” may help determine how much water is lost to evaporation. Based on this information, your technician should be able to give you an idea of what type of detection or repair will be required and schedule a service call. Keep in mind that due to the nature of leak detection work this scheduled time may be somewhat flexible. Pool leaks are a seasonal problem in most parts of the country and those who are good at finding leaks are usually very busy.

Once a technician is at your pool, the first step usually involves a pressure test of your plumbing lines to confirm whether the leak is in the plumbing or the basin of the pool. This testing will be done with specialized test plugs and pressure induction systems that are designed to give quick results. Based on the results of the pressure test, the technician will then use a variety of tests involving sophisticated electronics or diving equipment to pinpoint the pool leak.

We staff two certified divers to help with water repairs.

Facts About Leaking Pools

When pool owners add water to their swimming pools they usually attribute the loss to evaporation or "splash out." The fact is that if you have to add water on a regular and consistent basis, there is a good chance that there is a leak in the pool. Use the "Bucket Test" to know for sure.

Below is a chart that shows how many gallons of water in a 24hr. period are wasted in various sized pools.

Assuming that there are no obvious leaks at the equipment station, most pool leaks are hidden and you won't even see a wet spot in the yard. In raised deck construction, the water often times accumulates under the deck, forming a large body of water waiting to drain into the earth or out some obscure crack in the stem wall. Sometimes large voids under the deck are created due to leaks that have been unresolved for a long time.

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