Cooling Towers, Condenser systems, Maintenance & Decommissioning

Clean and disinfection services are carried out in accordance with ACoP L8 following the procedures outlined in BS8558.


  • An engineer will visit your site and initially conduct an assessment to identify any additional health and safety precautions required

  • Isolation of the cooling tower sump and any pump sets

  • Fully drain sump and undertake a physical clean to remove all sediment harboring bacteria and bio films

  • Sterilisation cleaning using sodium hypochlorite

  • Where required, full system disinfection including all associated pipe work, chillers measuring chemical levels at every available orifice to ensure successful disinfection

  • Sample tests carried out for microbiological, bacteriological and Legionella by a UKAS accredited laboratory 

  • Issue of disinfection certificate, sample results and photographic evidence for your log book



We also carry out a decommissioning service for cooling towers condensing systems and associated apparatus


We also offer risk assessment and planned maintenance packages tailor made to suit clients needs 











Active Water Treatment Specialists Ltd

134 William Street, Grays, Essex

RM17 6DZ    


Telephone: 01206 234 890