4D Joint Venture consists of Veolia, Costain and MWH working to deliver investment projects for Southern Water Asset Management Plans (AMP).

Recent Projects

  • Brighton & Hove Wastewater Treatment Scheme

    Southern Water’s £300 million environmental improvement scheme, in order to treat the 95 million litres of wastewater generated each day by over 250,000 residents of Brighton and Hove and the surrounding area.