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Established over 25 years ago, WPL is recognised as an international leader in engineering design, manufacture and supply of packaged wastewater treatment process solutions. Offering standardised products and bespoke process solutions for the cost-effective, on-site treatment of wastewater treatment, WPL has delivered on-site process solutions to the domestic, commercial and industrial markets globally. WPL ensure that wastewater treatment plants are designed and proven to exceed all current or proposed discharge consent standards enforced by the UK Environment Agency, SEPA or other regulatory bodies, the directors, managers and staff are committed to ensuring adherence to the following: ISO 9001 certification; OSAS 18001:2007 certification and ISO 14001 certification.


Miss Lianne Ayling
Units 1 Aston Road


WPL wins Thames Water contract for SAF units

Wastewater treatment specialist WPL has won an exclusive contract to provide below-ground HiPAF packaged plants to Thames Water in AMP 6 (2015-2020). The company will supply and maintain integrated submerged aerated filter (SAF) plants to the utility during the current investment period.

The HiPAF SAF units are typically used to deliver wastewater treatment to small settlements and villages which have not previously had mains sewage. Below-ground installation means that they make minimal visual impact to the landscape.

Simon Kimber, Sales and Marketing Director for WPL said: “It’s great news for us.  WPL won this contract in a highly competitively tendered framework, securing this valuable business reflects the confidence Thames Water has in our products and the service we provide.”

WPL specialises in custom-made plants that can be designed to suit hard-to-access rural sites. The company has more than 25 years experience of manufacturing and maintaining wastewater treatment plants and has a reputation for combining robust technology with high environmental standards.


Rural sites

Simon Kimber said: “Thames Water has a lot of small rural sites, particularly in parts of Oxfordshire and Gloucestershire.  WPL HiPAF plants are designed to be as unobtrusive as possible, which is a great bonus in rural and environmentally sensitive locations.

“We will be supplying plants which combine primary settlement, SAF technology and final settlement in a single unit. By manufacturing the plants off-site at WPL’s purpose built engineering facility in Waterlooville, we can ensure consistent quality control in a controlled environment.

WPL will be the sole supplier of integrated SAF plants to Thames Water during the current regulatory asset management period (AMP6). It is expected the utility will install around a dozen plants during that time.


Value for money

The framework was awarded on the basis of health and safety criteria, customer satisfaction, value-for-money, innovation and collaboration.  WPL scored particularly highly on innovation, value-for-money and customer satisfaction.

Simon Kimber said: “WPL has a history of supplying integrated SAF plants to Thames Water and we are delighted this relationship is set to continue.”


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