Cleaning and Disinfection

Waterwide offer a comprehensive cleaning and disinfection service to all types of water systems, such as cooling towers, chillers, water storage tanks etc., in full compliance with ACoP L8 and BS8558:2015, for the following:


  • Cooling water system cleaning as part of the cooling / chilled water treatment contract
  • Clean and disinfection of domestic water tanks as a result of adverse sampling results where causes for concern have been identified (such as positive Legionella results, faecal contamination etc.)
  • Pre-commissioning clean
  • System de-commissioning
  • In-line disinfection
  • Online disinfection


As part of this service, the following will be provided:


  • Site specific health and safety risk assessments and method statements
  • COSHH information for all chemicals to be used during the clean and disinfection process
  • Full report containing digital photographs of the clean and disinfection process
  • Log sheet detailing chemicals used and quantities, contact time of chemicals and any comments required
  • Condition report for each aspect of the system, highlighting any non-conformances or advice for replacement / repair
  • Certificate of disinfection
  • Online access to the full clean and disinfection report & certificate of disinfection