# My Pool Water Levels Keeps Going Down, Do I Have A Leak?

Ron Burr discusses leaks in swimming pools, possible leak locations and a formula to determine the amount of water being lost each day.

As a swimming pool owner the last thing we need is a pool that leaks water. Is the pool leaking or is it evaporation, this is always a question we ask. Here are a few tips on checking your swimming pool for leaks before you make a call to a professional leak locating company.

Try the bucket test - Shut the pool down, turn the pump off and do not allow it to turn back on until it is turned on manually. Use a 3 or 5 gallon plastic bucket, fill the bucket approximately half full and mark on the bucket the water level. Place the bucket on the top step of the pool and mark the water level of the pool. Evaluate both bodies of water after a 24 hour period and note the amount of drop in both the plastic bucket and the swimming pool. Upon checking the bucket and the pool measurement marks, if both loose about the same amount the water loss is most likely evaporation. If the pool goes down considerably more than the bucket the pool may have a leak.

Look and check the many places that a leak can occur in a swimming pool.

o Skimmer

o Lights

o Around the return lines

o Main drains

o Tile Lines

o Corners where waterline tile comes together

o Equipment Area - Check pump, filter, chlorinators, valves and plumbing

How can I tell how much water the pool is leaking?

This is an easy formula to check.

Inches Of Water Loss x .62 Gallons / Inch x Square Footage Of The Pool Surface Per Square Foot

Let's try an example of a pool losing 1 inch of water per day.

15 Ft x 30 FT Rectangular Pool = 15 x 30 = 450 Square Ft of Surface Area

1" x .62 x 450 = 279 Gallons of Water per Day OR 11.63 Gallons per Hour

Let's try another example of a pool losing 3 inches of water per day.

14 Ft x 28 FT Rectangular Pool = 14 x 28 = 392 Square Ft of Surface Area

3" x .62 x 392 = 729 Gallons of Water per Day OR 30 Gallons per Hour

Sometimes if may take several days to determine if a pool is actually leaking, many tests and monitoring of the pool level. Remember that once the bucket test has been done with the swimming pool pump off and results are determined; redo the test with the bucket while the pool pump is operating as normal. When both of these tests are used they can be very helpful to determine of the actual pool water leak is in the main structure of the swimming pool or possibly in the piping or plumbing of the pool. Many times when the pump is operating, the pressure of the water forces the water out of a plumbing leak causing the leak in the pool to be much greater. Leaks are many times very difficult to locate and repair, using these suggestions can help to locate and resolve your pool and spa leak situations.

Article Tags: Pool Water, Swimming Pool

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