Off-line structure

Flood risk management and land drainage activities

Activity and function

Potential hydromorphological change

Mitigation measures

To enable shipping traffic through a flood defence and control water artificially down-slope

Change in flow dynamics

Change in sediment regime (rivers)

Regulation of flow regime by impoundment

Modify or Enhance Structure

Improve Fish Passage

Good Practice Sediment Management

Remove Obsolete Structure

Pumping station

To pump water from lower to higher sections of the drainage system

Change in flow dynamics

Modify or Enhance Structure

Improve Fish Passage

Back to Guidance on selecting mitigation measures