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Joe D.I think a pool opens you up to a whole world of liability.
Just do everything you can to create a safe environment (fence, lock, proper pool cover) so that first - your conscience is clear.  Stay diligent.
I would say no matter what you do - if someone gets hurt (or worse) in your pool... you have a good chance of being sued.
In addition to a fence, there is an alarm that you could have installed... basically an invisible perimeter around your pool and if anyone crosses it - the alarm goes off.  If you have toddlers - I would suggest getting that alarm regardless.   It will be good to be alerted if little feet find their way to the pool.   I am pretty sure that is how they market that product as well.