resource center

Pool & Hot Tub Alliance Announces Standard Revision of APSP-11 and Issues Call for Committee Participation

  • Oct 31, 2023

October 31, 2023

Media Contact:
Amy Willer
Associate Director, Marketing and Communications
703-838-0083, ext. 121 |


(Alexandria, Va.) — The Pool & Hot Tub Alliance (PHTA), the trade association representing the swimming pool, hot tub, and spa industry, announces the review and revision of ANSI/APSP/ICC-11 2019 American National Standard for Water Quality in Public Pools and Spas and calls for subject matter expert (SME) participation in the PHTA-11 Standard Writing Committee (SWC).

Once formed, the SWC will meet at least quarterly under the continuous maintenance process to review and consider revisions to the standard for consideration by PHTA's American National Standards Institute (ANSI) consensus voting body. SMEs who would like to serve on the SWC must be willing and able to actively participate in the language drafting process and have a working understanding of the current standard. Members will serve a 3-year term which may be renewed.

All stakeholders, including pool and spa builders, manufacturers, testing labs, certifying bodies, designers, service/maintenance technicians or companies, pool and spa operators, public health or building code officials, local municipalities, chemists, scientists, registered design professionals (architect, professional engineer), academics, standard/code development organizations, distributors, and retailers, are invited to apply to serve on the PHTA-11 SWC. The appointment criteria seek to establish a diverse SWC ensuring reasonable balance without dominance by a single interest category, individual, or organization. Priority will be given to applicants from the various interest categories with experience using, applying, and enforcing the ANSI/APSP/ICC-11 2019 standard.

Interested parties who may not be SMEs or active users of the standard are encouraged to attend meetings as observers throughout the revision process.

The PHTA-11 SWC will revise the standard to provide recommended minimum guidelines for the specifications for water quality parameters in public pools and spas. A commercial or public pool is defined as any pool, other than a residential pool, that is intended to be used for swimming or bathing and is operated by an owner, lessee, operator, licensee, or concessionaire, regardless of whether a fee is charged for use.

Completed application forms must be submitted to PHTA by January 3, 2024. For more information, visit the Participate in the Process page,, or email PHTA Program Director of Standards and Technical Services Genevieve Lynn at


About the Pool & Hot Tub Alliance
The Pool & Hot Tub Alliance (PHTA), a non-profit organization with 3,800 members from around the world, was established in 1956 to support, promote, and protect the common interests of the $62B pool, hot tub, and spa industry. PHTA provides education, advocacy, standards development, research, and market growth initiatives to increase our members’ professionalism, knowledge, and profitability. Additionally, PHTA promotes the use of pools by expanding swimming, water safety, and related research and outreach activities aimed at introducing more people to swimming, making swimming environments safer, and keeping pools open to serve communities. For more information, visit


Pool & Hot Tub Alliance Strategic Partners:

  • Biolab
  • Fluidra
  • Hayward
  • Heritage Pool Supply Group
  • Lou
  • Lyon Financial
  • Pentair
  • WatkinsWellness
This website uses cookies, including from third parties, to improve your user experience and for website analysis and statistics. You consent to our cookies if you continue to use this website.