standards and codes

PHTA-11 Standard for Water Quality in Public Pools and Spas - Accepting Change Requests

This standard provides recommended minimum updated guidelines for the specifications for water quality parameters in the pool, spa, and hot tub industry. It covers a range of values that are acceptable for pool and spa operation relating to various chemicals.

Requests for change will be accepted on a continuous basis.

Submit Change Request

Stakeholders: Manufacturers, builders, designers, retailers, U.S. public health and code officials, local municipalities, pool and spa operators, and service companies, including storable pool manufacturers and their retail users.

Revision in Process: To review and update information contained in the existing standard based on scientific research, verifiable data and best practice for water quality as it pertains to the pool, spa, and hot tub industry. The PHTA-11 standard will provide recommended minimum guidelines for the specifications for water quality parameters in the public swimming pool, spa, and hot tub industry. It will cover a range of values relating to various chemicals that are acceptable for pool and spa operation, and for purposes of public health and safety.

Current Version: ANSI/APSP/ICC-11 2019 American National Standard for Water Quality in Public Pools and Spas

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Interested in submitting a change request for the PHTA-11 Standard? Submit a change request here. Requests for change will be accepted on a continuous basis.

Interested in receiving updates on PHTA-11? Sign up here.

Interested in attending PHTA-11 Standard Writing Committee meetings? Complete this form and you will be emailed the meeting link. You only need to submit the guest form once per year per standard.

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Pool & Hot Tub Alliance Strategic Partners:

  • Biolab
  • Fluidra
  • Hayward
  • Heritage Pool Supply Group
  • Lou
  • Lyon Financial
  • Pentair
  • Raypak
  • WatkinsWellness
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