CamEO (Cam and Ely Ouse) is a partnership initiative hosted by the Rivers Trust and supported by the Environment Agency.
The aim of this site is to provide a portal for sharing information about the Cam and Ely Ouse Catchment, to set out our catchment plan and to let you know how to get involved.


  • Water Sensitive Cambridge sets up first retrofitted roadside rain gardens in Cambridge
    The pilot for the city’s rain gardens programme has turned three green verges at Fallowfield into vibrant mini-gardens by cutting two slots into the kerb, allowing rain water to flow in.
  • CRT plays vital role in mink eradication
    The Countryside Regeneration Trust (CRT) is proud to have played an active and important role in the first step to a mink-free Britain by working closely with conservation project lead, Waterlife Recovery Trust (WRT). www.thecrt.co.uk/News/crt-plays-vital-role-in-mink-eradication
  • Environmental Award
    Roseanne Gough from Thetford Rivers Group did a short interview with BBC Radio Norfolk on Friday 8th March 2024. The River Group won their Make a Difference Awards in the Environmental Category in November 2022!  https://www.bbc.co.uk/sounds/play/p0hbnf4n

Our Catchment

Our catchment encompasses Cambridge, Ely, Bury St Edmunds, and Thetford. The catchment is split into five sub-catchments: Cam, Lark, Little Ouse & Thet, South Level, and Wissey. Within these five sub-catchments there are 73 waterbodies, only seven of which are currently achieving Good water quality.