The Pool Water Treatment Advisory Group Ltd (PWTAG) is recognised by the Health and Safety Executive (HSE) as the leading source of guidance on swimming pool water quality and treatment in the United Kingdom. HSE’s publication Managing Health and Safety in Swimming Pools (HSG 179) directs pool operators to the PWTAG Code of Practice and Technical Notes for in-depth technical information.
Enforcing authorities, including the HSE and local authorities, consider PWTAG guidance as the standard to be achieved in effectively managed swimming pools. Non-compliance with this guidance may be taken into account by enforcing authorities when assessing whether appropriate standards have been met.
The guidance documents accessible through this website, including Swimming Pool Water, the PWTAG Code of Practice, Technical Notes, and Checklists, are produced by PWTAG Ltd in good faith and are intended to assist pool operators, installers, and other relevant parties in drawing up and maintaining safe operating procedures. These documents are reviewed and updated from time to time. Users should ensure they are referring to the most current version of any document, as indicated by the version number and date shown on each publication.
This guidance does not constitute legal advice. PWTAG Ltd does not accept liability for any loss, damage, or consequence arising from reliance on, or any misunderstanding or misapplication of, the information contained in these documents. Users are responsible for ensuring compliance with all applicable legislation and for seeking independent professional advice where appropriate.