After watching their local river grow murky and lifeless, two retired neighbours decide to take on the water industry and its regulators. The unlikely sleuths begin a ten-year battle to clean up our rivers.

On the banks of the River Windrush in Oxfordshire, Kate Lamble meets campaigners Ash Smith and Peter Hammond

Reported and presented by Kate Lamble Producer: Elle Scott Sound Design: Andy Fell Executive Producer: Joe Kent Commissioning Executive: Tracy Williams Commissioning Editor: Dan Clarke

Rinsed is a BBC Studios production for BBC Radio 4