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How do you drain an in-ground pool with a high water table in the ground?

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2005-10-20 03:37:12
2005-10-20 03:37:12

First of all if the water table it too high you do not want to drain at all for your pool will act like a boat and float up out of the ground. If you are going to empty and refill rather quickly say 3 days or less. In the main drain of your pool there is a check valve that allows ground water to seep into the pool so when the water table gets to high your pool don't float. The valve is a one way valve that pops up when ground water is refilling your pool.Put a brick or something heavy over the valve to prevent it from opening and pump out your pool.Be sure to refill pool soon. Kenny Kummer Brody chemical

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sounds like there is ground water getting in there somehow

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Why would you drain your pool just becasue the water is hot? Never drain your inground pool unless you have first cut holes in the bottom of the pool to keep it from floating. If the water table in your area is high enough, your inground pool could "float" out of the ground, effectively ruining your pool.

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NO however you should keep in mind that the ground water outside of the pool is not going to put pressure on it as this is capable of even lifting a concrete pool out of the ground.

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Never drain an inground pool, ever. The pressure from the gound water will either pop it out of the ground (with gunite or fiberglass), or cause the liner to pull off the walls and floors and float (vinyl). You need to make sure the ground water is pumped down before taking water out of the pool. Even if you did empty the pool down already and it "seems" okay, by the time all the snow melts in the spring, and the ground water rises, you could be royally screwed.

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Similar, the water table is where we find ground water, ground water is simply water in the ground

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No, then you have to refill it and that is a waste of water If it is an inground pool being dry will ruin the pool surface and in high water table areas the risk of turning it into a boat is very real.

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I'm assuming that you have an inground vinyl lined pool. This is a chronic problem with inground vinyl lined pools, and is due to ground water being higher than the level of the water in your pool. The pressure of the ground water is greater than the pressure exerted by your pool water, and the liner floats. A half baked solution, is to wait until the ground is no longer saturated before removing water. The real solution is to provide a way for the ground water underneath your liner to be removed. This can be a passive system with a small pipe going under your liner and allowing the ground water to drain off (but this only works if you can keep all parts of that pipe below the level of the water in the pool-which depends completely on the pitch of the ground in your yard), or an active pumping system which pumps the ground water out to a drain.

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the ground water seeps through the ground strata into the subterranean water table

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The water table is the term for how deep underground you have to dig to find ground water.

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To remove excess rain water in an inground pool, you likely want to get a filter. You can also install a drain at the very bottom of the pool, but this will need to be closed if there were water in the pool for swimming.

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The liner should not float at all. The pressure or weight of the water is what holds it down. There has to be either a leak where water is getting under or behind it or maybe ground water is forcing it up. This is sometimesa problem in the southern states where the water table is closer to the ground surface.

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If your pool is above ground it does not matter, But if your pool is in ground and you drain it it will act like a boat and float if the water table rises.

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Generally...no. In simplest terms, an above ground pool pump is a flooded suction pump, which means the water level must be higher than the pump for it to operate, and an inground pump has the ability to draw water up from a level lower than the pump. The engineering and structure of these two different types of pumps is what makes them work the way they do. This means that, in a typical installation, you could use an inground-specific pump on an above ground pool, but not an above ground pump on an inground pool with the water level below the pump.

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The top level of ground water is called the Water Table.

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The pool floor drain you are talking about is probably not a drain but a hydrostatic valve which is there to allow water in from underneath your pool if your pool is empty or partially empty and there is an excessive amount of ground water around the bottom of the pool. these will stop the pol from floating in ground water by allowing the ground water into the pool rather then destroying your pool by lifting it out of the ground.

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In simplest terms, an above ground pool pump is a flooded suction pump, which means the water level must be higher than the pump for it to operate, and an inground pump has the ability to draw water up from a level lower than the pump. The engineering and structure of these two different types of pumps is what makes them work the way they do. This means that, in a typical installation, you could use an inground-specific pump on an above ground pool, but not an above ground pump on an inground pool with the water level below the pump.

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Generally...no. In simplest terms, an above ground pool pump is a flooded suction pump, which means the water level must be higher than the pump for it to operate, and an inground pump has the ability to draw water up from a level lower than the pump. The engineering and structure of these two different types of pumps is what makes them work the way they do. This means that, in a typical installation, you could use an inground-specific pump on an above ground pool, but not an above ground pump on an inground pool with the water level below the pump.

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In simplest terms, an above ground pool pump is a flooded suction pump, which means the water level must be higher than the pump for it to operate, and an inground pump has the ability to draw water up from a level lower than the pump. The engineering and structure of these two different types of pumps is what makes them work the way they do. This means that, in a typical installation, you could use an inground-specific pump on an above ground pool, but not an above ground pump on an inground pool with the water level below the pump.

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In simplest terms, an above ground pool pump is a flooded suction pump, which means the water level must be higher than the pump for it to operate, and an inground pump has the ability to draw water up from a level lower than the pump. The engineering and structure of these two different types of pumps is what makes them work the way they do. This means that, in a typical installation, you could use an inground-specific pump on an above ground pool, but not an above ground pump on an inground pool with the water level below the pump.

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The skimmer is the healthiest method for removing water from a pool for filtration at all times

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if its a kiddy pool yes. If its an inground pool or a large above ground liner pool, no Take a sample of your water to a pool store you trust. Ask them to test "TDS and calcium hardness" If they are high then you probably need to change some or all of your water. Be aware it's DANGEROUS to drain pools if your water table is high or when the ambient temp is high.

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No most ponds do not drain anywhere, they only lose water by evaporation and are replenished by rainfall or the water table.

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Since the water table is just a level of ground that holds water, much of the content of the water table is water. When the water is gone, the water table shrinks, and the land moves downwards.

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is it a liner or concrete?...if it's a liners DON'T drain it any more then about 6 in. in the shallow end the liner will shrink...if concrete.....it should be fine as long as you don't have a high water table close to the pool.good luck

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The zone of saturation and the water table share two zones of ground water.


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