River Management

Advice and information on the rights and responsibilities of riparian landowners, and code of good practice are obtainable from the Flood Management Division at the Department of Infrastructure. Alternatively, advice from Fisheries can be obtained from:

John Ward

Inland Fisheries Policy Manager

DEFA Fisheries Directorate

Thie Slieau Whallian

Foxdale Road

St John's

IM4 3AS

Telephone:+44 1624 651578

Email:Send Email

 Particular attention should be paid to the following points:

  • Consent must be sought from the Department of Infrastructure Flood Management Division for any works that may affect any watercourse (excepting routine vegetation management), for example, riverbank engineering/ protection; installation of bridges, pipes and cross-channel fencing.
  • Consent must be sought from the Department of Infrastructure before constructing anything or planting trees/ shrubs within 9.1 metres either side of a watercourse designated as a 'main river' under the Flood Risk Management Act 2013.
  • For streams with a mostly stony substrate, works likely to disturb the channel or destabilise banks should be avoided from October to June (inclusive) in order to minimise impact on trout and salmon
  • Disturbance of bankside vegetation, including reeds or bushes, should be avoided during the bird nesting season (March to August inclusive)
  • If the invasive plants Japanese knotweed, giant hogweed or Himalayan balsam are found on or near river banks advice should be sought from:
Department of Environment, Food and Agriculture

Thie Slieau Whallian

Foxdale Road

St John's

Isle of Man

IM4 3AS

Telephone:+ 44 1624 685835

Email:Send Email

Follow the related link to the control of plants advisory service page to view factsheets on Japanese knotweed and Injurious Plants (including giant hogweed). You can also view the UK Environment Agency booklet on invasive non-native plants, which includes Himalayan balsam.