The Model Aquatic Health Code (MAHC): A Model Public Swimming Pool and Spa Code

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Many businesses are closed during COVID-19. Stagnant or standing water can cause conditions that increase risk for Legionella and other bacteria. Find more information on steps to take before re-opening your business and building.

The Model Aquatic Health Code (MAHC) is a voluntary guidance document based on science and best practices that can help local and state authorities and the aquatics sector make swimming and other water activities healthier and safer. States and localities can use the MAHC to create or update existing pool codes to reduce risk for outbreaks, drowning, and pool-chemical injuries. The MAHC guidelines are all-inclusive and address the design, construction, operation, maintenance, policies, and management cutting edge needs of today’s public aquatic facilities.

Page last reviewed: January 19, 2021