How long can you keep a pool drained?

5 to 7 years Click to see full answer. In respect to this, how long can a pool stay empty?I also live on a small rise so any natural water runs downhill away from my property. I have a concrete pool, it was re surfaced (about 1 1/2-2 inches) 3 years ago. I have drained my pool before and left it empty for about 2 weeks with no problems. I want to drain it now and fill it in the spring.Furthermore, how often should you drain and refill 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. Keeping this in view, does leaving a pool empty damage it? Why You Shouldn’t Empty Your Pool They usually get used to the pressure and the weight of water, so if that is taken away (for just a few hours), it can lead to serious damage to your pool floors, liners, and walls. Moreover, some facilities can “pop” out of the surface, while others can cave in.Can you empty a concrete pool? Concrete or Gunite In general, draining this type of pool is the trickiest. Inground pools made of concrete or gunite are susceptible to popping out of the ground if drainage is not done properly. If you do not have a hydrostatic valve, it is best to call a pool professional to help you drain the pool.