You can report fly-tipping to the local council
You'll need to contact your district or borough council to report fly-tipped rubbish on publicly owned land, including roads and lay-bys.
(Search 'fly-tipping' on the relevant district or borough council website).
Report large scale illegal dumping and hazardous waste (anonymously)
Contact Crimestoppers or phone them on 0800 555 111 to report large scale illegal dumping (such as lorries dumping rubbish) and hazardous waste.