ARK is a registered charity (No: 1120725) and one of the UK's Rivers Trusts.
Our address is: Action for the River Kennet Avebury Elcot Park Marlborough SN8 2BG Or you can call 01672 512700
Please call the Environment Agency: 0800 807060 and then report it to Thames Water using their online tool or call them: 0800 316 9800 Request case numbers. Do take photographs.