PWTAG regularly reviews both interesting and dangerous incidents at pools. The group's active involvement, if any, is usually behind the scenes. Incidents over the last few years have included:

• cryptosporidiois outbreaks, inlcuding in spas
• ‘hot tub lung’ (Mycobacterium avium)
• explosions and chlorine gas release
• outbreaks caused by E coli 0157
• underwater cameras
• filter and air dulling system explosions
• pool outlet entrapment
• bulk storage of disinfectant
• excessive levels of free chlorine in the pool
• shells in filter sand
• tiling and screed failures following sulphuric acid use
• trichlor plus caustic soda problems
• high combined chlorine contributing to impaired lung function
• Legionella in spas and showers.