Thames Valley Water Treatment operates in Oxfordshire, Buckinghamshire, Berkshire, Hertfordshire, London and the surrounding areas.

We are an official stockist for Harlequin Plastics and supply their full range of tanks at competitive prices, Harlequin are one of
the leading manufactures in the tank industry so you can be assured of quality when using their products.

All of our technicians are OFTEC trained & registered, our work will always comply with current industry regulations. We install Water Treatment Systems and decommission Septic Tanks

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Our other services include:
  • Uplift & Transfer of Water
    We can transfer water at any time whether it's a temporary holding tank or a new replacement tank
  • System Design
    If you require a new system or a change to your existing one, we can design one that is both aesthetic and as economic as possible
  • Servicing
    If your system is leaking we can pump the existing water into a temporary holding tank, trace the leak to the source, repair and reinstate the supply
  • Risk Assessments & Site Surveys
    We can assess existing and new sites to determine their compliance to existing OFTEC and Local Authority requirements