<p>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.</p><p>On the banks of the River Windrush in Oxfordshire, Kate Lamble meets campaigners Ash Smith and Peter Hammond</p><p>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 </p><p>Rinsed is a BBC Studios production for BBC Radio 4</p>