A decade ago, we provided a mechanism whereby overextraction would require action to be taken, in this case by water companies. It was a fairly geeky measure called the abstraction incentive mechanism, and it worked. Countless other measures can and should be taken, and our direction to Ofwat and the commitments in our Plan for Water will drive this forward, as will our abstraction reforms.
Rivers such as the Kennet can be affected by something incredibly small. Three miles of the Kennet’s ecosystem was destroyed about seven years ago by about an egg cup of a chemical called chlorpyrifos, which went through the drainage system—which is the responsibility of the local authority and the water company—into the river. That tiny amount wiped out life for about three miles. That is an indication of how fragile these systems are and how we must have protections that can trace this, make the polluter pay and make sure that this never happens again. It is incredibly important that we do this.