I know a reasonable amount about rivers and a claim to fame is that Fergal Sharkey tweeted about one of my papers! One of the key things missing in the discussion is climate change. Even if we clean up agriculture the legacy phosphorus in soils will continue to be delivered by increased runoff From wetter winters. Legislation like the water framework directive doesn’t incorporate climate change very well. TheEA do their best but workforce has been cut year on year. The private utilities are very variable, some are quite progressive others motivated only by shareholders.