Recent changes were made to the Americans with Disabilities Act, known as the ADA for short. It may be that due to these changes, common interest communities such as condominium and homeowner associations are required to take certain actions to be ADA compliant. While understanding and complying with the regulations may sometimes be daunting, here is a link to more information and a questionnaire: http://www.americanpool.com/2182/ismypoolsubjecttoada.html
(No referral or recommendation of any vendor should be inferred from this blog post)