The pool will only overflow by the amount of rain in excess of the amount of rain needed to fill the pool to the top. ... Pools that are empty can “POP” out of the ground, floating like a boat on the groundwater around your home.

Is it okay for pool to overflow with rain?

Pool Overflowing From Rain

Rain, by itself, normally wouldn't harm your pool. However, as rain falls, it deposits pollen and other particles in the air onto the ground and into your pool. Any runoff into your pool will also contain contaminants, which can quickly turn your relaxing, beautiful oasis into a mess.

What happens to a swimming pool when it rains?

Remember, rain is acidic. Hence, pool overflowing from rain causes the Alkalinity and pH levels to lower. Very low pH causes pool water to turn very clear and acidic, which destroys your pool surface and equipment. ... You might experience too much water in pool due to rain, hence, monitor your water level.