Phillip Dunne MP is introducing the Sewage (Inland Waters) Bill soon, which is designed to pressure water companies to do more to reduce the amounts of sewage they discharge into rivers during combined sewer overflows.
This has affected some caves such as Wet Sink/Slaughter Stream cave and is bad for the conservation of our caves, as well as being bad for cavers!
Surfers Against Sewage explain more on their campaign website here:https://www.sas.org.uk/EndSewagePollution-SewageBill
You can support them by writing to your MP to express your support and raise awareness regarding this important issue.