Why is my pool losing water when the pump is off?

Tony Cobb   |   Member since 2009  |  10+ Answers Submitted  |  ✔ Verified

If you turn off all of your pool equipment like the pumps and filters and you're still leaking water, this could indicate that you have a pressure-side return leak. When the filter pump runs, the plumbing on the pressure side is under pressure. If you look in your pump basket, you may see a lot of air through the lid.

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Rosa Clayton   |   Member since 2012  |  10+ Answers Submitted  |  ✔ Verified

Similarly, it is asked, why am I losing water in my pool?

A residential pool without a pool cover will lose about 1/4 inch of water level per day or about 2 inches per week solely due to evaporation. Another cause of normal water loss is frequent filter backwashing, in which waste water from the pool is diverted down the drain into the sewer.

Likewise, how much water will evaporate from a pool in a day? Normally pools see inch loss of water per day due to evaporation. This is roughly 2 4 inches per week. For a normal sized pool you will loose 25, 000 to 50, 000 gallons of water per year due to evaporation.

Jenna Dempsey   |   Member since 2020  |  10+ Answers Submitted  |  ✔ Verified

Also asked, how can I tell where my pool is leaking?

Common Signs Of A Leaking Pool

  1. You notice standing water near the pool or equipment pad.
  2. The pool or spa is losing more than 1/4? of water per day.
  3. Abnormal water consumption.
  4. Extraordinary algae growth or discoloration of the water.
  5. Fluctuating chemical consumption.
  6. Loose or failing tiles, or cracking of the cement pool deck.

Camden Ward   |   Member since 2016  |  10+ Answers Submitted  |  ✔ Verified

What is a suction side leak in a pool?

A suction side air leak shows itself most commonly by bubbles and splashing and frothing in the pump basket This indicates your pump is not getting the water it needs to function smoothly but, instead, air is getting into the system and starving or semi-starving the pump.

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Related Answered Questions

Below is a list of answers to questions that have a similarity, or relationship to, the answers on "Why is my pool losing water when the pump is off?". This list is displayed so that you can easily and quickly access the available answers, without having to search first.

Aiden Jobson   |   Member since 2015  |  ✔ Verified

How often should you have to fill your pool?

For homeowners, the best recommendation is to drain and refill your swimming pool every two to three years. A number of factors will influence how often you should change the pool water.

Vanessa Eastwood   |   Member since 2020  |  ✔ Verified

Why does my pool lose water overnight?

If Your Pool Lost Water Overnight Check for Leaks. 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 move overnight indicates a problem.

Chris Morrow   |   Member since 2016  |  ✔ Verified

Is my pool leaking or evaporating?

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.

Cadence Scott   |   Member since 2018  |  ✔ Verified

How much does it cost for pool leak detection?

Alternatively, a regular leak detection service can cost between $300 and $400, depending on the company. Plumbing and Pipe Leaks can only be detected by a pressure test on each line or a meter test, and obviously the line which does not hold pressure is causing the leak.

Carrie Olson   |   Member since 2005  |  ✔ Verified

Does my inground pool have a leak?

If the pool is losing more water while the pump is running, the leak is on the return line side of the system. In this case, check the waste or backwash line for running water, If you suspect you have a leak in the skimmer, light, liner, look closely for something that looks like a crack, gap or tear.

Angela Stark   |   Member since 2016  |  ✔ Verified

Does water evaporate more at night?

Yes there is evaporation at night. Water doesn't have to be at 100C to evaporate. The rate of evaporation may slow down when it's cooler, but it will happen. All you need is the right combination of temperature, pressure and humidity.

Jacob Scott   |   Member since 2013  |  ✔ Verified

What is a suction side leak?

A suction side air leak is most commonly indicated by air under the pump lid. This can be anywhere from the pump (including the housing) to the skimmer, all PVC connections, joints, and valves are suspect. It can not be located after the pump, in this case you will be leaking water out not sucking air in.

Anais Sherwood   |   Member since 2010  |  ✔ Verified

How do I find out where a leak is coming from?

Use your water meter to check for leaksMake sure no water is being used inside or outside of your house. Locate your water meter and check the leak indicator to see if it is moving. Or, you can also take a meter reading and wait 1 or 2 hours and take another meter reading (make sure no water is used during this time).

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