Water run-off

Find out about the General Binding Rule (GBR 10D) that applies to the run-off from a small construction site less than or equal to 4 hectares, that does not contain a road in excess of 5km or does not include an area of more than 1ha or 500m length on ground with a slope in excess of 25 degrees.

Find out about the permit authorisation needed for run-off from a large construction site. This is where the activity is not authorised by General Binding Rule 10D.

Find out about the General Binding Rule (GBR 10A) that applies to the run-off from developments built before 1 April 2007 with the exception of some discharges of run-off from motorways and trunk roads.

Find out about the General Binding Rule (GBR 10B) that applies to the run-off from developments built after 1 April 2007 with the exception of run-off from industrial estates, land used for residential purposes greater than 30 ha in size, car parks with more than 1000 spaces and some motorways and trunk roads.

Find out about the permit authorisation needed for run-off from built developments not authorised by GBR 10A or GBR 10B

Find out about the General Binding Rule (GBR 10C) that applies to the run-off from a quarry or borrow pit constructed after 1 January 2022.

Find out about the General Binding Rule (GBR 21) that applies to the run-off from rural land activities.

Find out about the General Binding Rule (GBR 22) that applies to the run-off from waterbound roads and tracks including during construction.