How do you detect a pool leak? - Project Sports
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How do you detect a pool leak?

5 min read

Asked by: Laura Davis

Check the waste or backwash line for water consistently running. One inch of your pool water can equal 500 gallons. Check downhill from a pool, looking for weepers where underground leakage is surfacing. Check for soft or wet spots in the yard, on the side of the pool where the plumbing returns water to the pool.

How can I tell where my pool is leaking?

Check the waste or backwash line for water consistently running. One inch of your pool water can equal 500 gallons. Check downhill from a pool, looking for weepers where underground leakage is surfacing. Check for soft or wet spots in the yard, on the side of the pool where the plumbing returns water to the pool.

How much does it cost to detect a leak in a pool?

between $100 and $500

Most pool leak detection cost between $100 and $500. Along with detecting leaks, companies like Leak Science can develop a plan to repair the leak for you so that you can eliminate the problem in your pool and get back to enjoying it.

Where is the most common pool leak?

Some of the most common places where pool leaks happen include:

  • Pool Liners. Pool liners cover the swimming pool’s wall and floor structure. …
  • Pool Pump. You can view the pump as the heart of the pool. …
  • Pool Filters. …
  • Underground Plumbing. …
  • Pool Skimmer. …
  • Structural leak. …
  • Pool Leaks Can Happen.


Why is my inground pool losing an inch of water a day?

Pool Is Losing 1 Inch of Water Per Day



Losing more than ½” of pool water per day indicates you likely have a leak in your pool’s structure or your pool pump system. You should call your pool service for a thorough leak inspection. You might not be able to keep up with refilling your pool at this point.

Why does my pool lose water when it rains?

Pool Losing Water After Heavy Rain



Due to a heavy rainstorm, water loss is more common with vinyl liner pools that can be damaged, come loose, or float to the top. With other types of inground pools, it is vital to get the water level down. If not drained, the water balance will change, causing cloudy water and more.

How can I tell if my inground pool has a leak?

Common Signs Of A Leaking Pool

  1. Water Level Changes. Dropping water level is the clearest sign a pool is leaking, but it’s important to determine if the water loss is due to evaporation or a leak. …
  2. Cracks or Falling Tile. …
  3. Wet Spots in Yard. …
  4. High Water Bills. …
  5. Water Under Equipment. …
  6. Air or Dirt Blown Into Pool. …
  7. Algae Growth.


Are pool leaks expensive to fix?

Inground Pool Leak Repair Cost. Inground pool leak repairs typically cost $350 to $1,000 for labor and materials, not including the price of draining, filling and treating the water. The total price depends on the severity of the damage, location of the leak and pool material.

How do you check underground pool lines?


We can put open stem plugs into the return fittings of the pool. And induce pressure from that side or from the skimmer.

Does my pool have a leak or is it evaporation?

If the water went down a similar amount in the pool as well as the bucket, then you lost water due to evaporation. If it went down more in the skimmer and not much at all in the bucket then you have a pool leaking.

Is it normal for an inground pool to lose water?

It’s normal to lose an inch or less of water to evaporation in a typical week. However, if your bucket test results point to a leak, it’s a good idea to call in a pool professional.

How often should you have to add water to a pool?

This will vary depending upon several factors including: weather, if the pool is covered or not, bather load, and if it is heated or not. With pools that are covered, a good rule of thumb is that they should not have to be refilled more often than once every 2 weeks.

Why does my pool lose water overnight?

If your pool lost water overnight and it is more than the quarter-inch due to evaporation, you probably have a leak. Evaporation accounts for a minor amount of water lost each day. Losing a half-inch or more overnight indicates a problem.

How much can a pool evaporate in one day?

between 3mm – 7mm

Most pools experience between 3mm – 7mm of water loss each day, depending on where you live.

Why does my pool water evaporate so fast?

Evaporation occurs whenever you expose wind or air to the surface of your pool. So in short, this applies to every pool, all the time. Water molecules rise to the surface, form into a vapor and eventually get released into the air. Heated pools on cool nights experience evaporation more rapidly.

How do I stop my pool from losing water?

Saving Water in Swimming Pools: 5 Ways to Cut Pool Evaporation

  1. Evaporation: The #1 culprit of swimming pool water loss. …
  2. Cover your pool. …
  3. Try a liquid solar blanket. …
  4. Turn off any water features. …
  5. Reduce water temperature. …
  6. Add windbreaks. …
  7. The takeaway: Minimize pool evaporation.


How much water should a pool lose in a week?

between 2 mm to 2 inches

Quick answer: You can expect to lose between 2 mm to 2 inches of water in your pool per week due to evaporation, depending on the various factors we’ll get into in this article.

How much can a pool evaporate overnight?

The differential that occurs between the pool water temperature and the air temperature on late summer nights causes water to evaporate at an accelerated rate. In some cases you might see a water level difference of 1-3 inches overnight. Depending on the size of your pool, that can be over 500 gallons of water loss!