You have the responsibility to pass on flow without obstruction, pollution or diversion.
You must accept flood flows through your land even if they are caused by inadequate capacity downstream.
You must maintain the beds and banks of the watercourse, including trees. You must also clear debris from your watercourse even if it doesn't
originate from your land.
You must keep the bed and banks of the watercourse clear of any obstructions to the flow of water.
You must keep any structures that you own clear of debris.
You must control any invasive alien species, such as Japanese Knotweed: Japanese Knotweed