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Sara Oliver

Why Does an Inground Pool Lose Water?

Updated: Oct 23





Having an inground pool is a great way to beat the heat, but hey! If you’re noticing a drop in water, then your relaxation is gone.


While some water loss is normal, like evaporation or splashing, a significant decrease can indicate more serious issues.


Understanding why your pool is losing water can help your address the problem before it leads to costly repairs.


An inground pool loses water because of evaporation, splashing and backwashing, the hidden leaks and pool equipment issues.


In order to get rid of these issues, we’ve prepared ways to combat them accordingly. 


Evaporation: The Natural Culprit


Evaporation is the most common reason for water loss in an inground pool.


Factors like high temperatures, low humidity and strong winds can cause your pool’s water to evaporate more quickly.


During hot summer months, it’s not uncommon for a pool to lose up to a quarter of an inch of water per day, or even more in dry, windy conditions.


In order to manage it, you need to minimize evaporation, consider using a pool cover when the pool isn’t in use.


A cover can significantly reduce the amount of water lost to evaporation.


You can install windbreaks such as fences or landscaping to reduce wind exposure.


Splash Out and Backwashing: Everyday losses


Every time you and your family dive into the pool or splash around, some water inevitably goes out. This is known as splash out.


Additionally, backwashing your pool’s filter, a necessary maintenance also causes water loss. In order to manage it, you can’t completely avoid splashing out.


You can minimize it by encouraging it to avoid excessive splashing.


When backwashing, be mindful of how often you perform this task and only do it when necessary to keep water loss to minimum. 


Leaks: Hidden enemy by all means


If you notice your pool is losing more water than usual, a leak might be to blame. Pool leaks can occur in various places, such as pool lines, plumbing or the structure itself.


A small leak can lead to water loss, over time, not to mention potential damage to your pool and surrounding area.


A simple yet effective way to detect is to perform a bucket test. Place a bucket filled with water on the pool step, ensuring the water level in the bucket matches the pool’s water level.


After 24 hours, the pool water level had dropped more than the water in the bucket, you likely have a leak. 


Groundwater Issues: The Hidden Factor


In areas with high groundwater levels, hydrostatic pressure can push water out of your pool, causing it to lose water.


This pressure can be especially problematic if your pool is empty or partially drained.


To manage groundwater pressure, ensure your pool has a functioning hydrostatic relief valve. This valve helps relieve pressure and prevent water from being pushed out of the pool. 


Conclusion 


Water loss in an inground pool can stem from several causes from natural evaporation and splash out to more serious issues like leaks or equipment failure.


By understanding these potential problems and taking proactive measures you can keep your pool water levels steady and enjoy a trouble free swimming season.


If you’re ever in doubt, don’t hesitate to consult a professional to ensure your pool remains in top condtion.


Hence, if your pool is leaking and you don’t see water everytime you enter the pool.


It’s high time that you hire a contractor, who knows the drill. In Kentucky, we would suggest. Dream Pool SPAS,who are best at pool and spa installation.

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