The streams on East Finchley allotments are polluted with laundry detergent and raw sewage.
Despite residents repeatedly raising their concerns with Thames Water, the pollution has continued for years.
After being contacted by local plot holders, I visited the site and saw the streams for myself. The pollution is unacceptable, and it must change.
Sign up below to join the campaign, to hold Thames Water to account and clean up our waterways.