For Federal rules and regulations regarding swimming pools, spas, aquatic facilities, recreational water parks and play parks click on the below links:
ADA Standards For Accessible Design
CDC's Model Aquatic Health Code
U.S. Federal Codes
Various Federal and State Health Code Websites
Regulations by State
* Kansas has no state regulations for swimming pools, only RWI prevention "guidelines"
(Scroll down to Page 287)
(Click on Chapter 202)
(Searchable by County. Link is for Braintree, MA)