Experts recommend closing your pool when the temperature outside consistently is 65 degrees Fahrenheit or below, and the water temperature consistently dips below 60 degrees. If you close your pool while it's still warm out, you may be dealing with algae growth and green, unsanitary water come spring.

Cold weather will damage your pool if it's not closed. While heating your pool will minimize the risk, you can't tell when a winter storm will come along and freeze the surface of your pool. If this happens, it can tear through your pool's vinyl lining since water expands when it freezes.

While winterizing a pool may not be necessary in all parts of the country, if you live in an area where winter temperatures drop to freezing or below, winterizing your pool properly is a key part of pool maintenance. Winterizing provides these benefits: Prevents debris from accumulating in the pool during winter.

A private swimming pool can be located only in the yard, and the pool must be at least 10 feet away from the property's edge or easement. Depending on the city or county, most pool must be in the back or rear yard. The pool must also be 10 feet away from the septic system and wellhead.