Code
F13
Sector
Forest
The complete description of the NWRM
Summary

Peak flow control structures are designed to reduce flow velocities in networks of forest ditches. Peak flow control structures are engineered ponds designed to limit the rate at which water flows out of a ditch network. Because the structures slow water flow, they will contribute to sediment control and can reduce the size of flood peaks. Peak flow control structures will have a limited lifespan as sediment will eventually fill in the upstream detention pond. However, ponds can be maintained by removal of accumulated sediment.

Illustration(s)

Peak flow control basin in forest, (Slovakia)

Source: Michal Kravcík’s presentation, NWRM Workshop 1

 

Possible benefits with level
Benefits Level
BP1 - Store runoff
High
BP2 - Slow runoff
High
BP6 - Increase infiltration and/or groundwater recharge
Medium
BP7 - Increase soil water retention
Medium
BP8 - Reduce pollutant sources
High
BP9 - Intercept pollution pathways
High
BP10 - Reduce erosion and/or sediment delivery
High
BP12 - Create aquatic habitat
Low
BP13 - Create riparian habitat
High
BP14 - Create terrestrial habitats
Medium
ES1 - Water storage
Medium
ES2 - Fish stocks and recruiting
Medium
ES4 - Biodiversity preservation
Medium
ES5 - Climate change adaptation and mitigation
Low
ES6 - Groundwater/aquifer recharge
Medium
ES7 - Flood risk reduction
Low
ES8 - Erosion/sediment control
High
ES9 - Filtration of pollutants
High
ES10 - Recreational opportunities
Low
ES11 - Aesthetic/cultural value
Low
PO1 - Improving status of biology quality elements
Low
PO2 - Improving status of physico-chemical quality elements
Low
PO3 - Improving status of hydromorphology quality elements
Low
PO4 - Improving chemical status and priority substances
Low
PO5 - Improving quantitative status
Low
PO7 - Prevent surface water status deterioration
Medium
PO9 - Take adequate and co-ordinated measures to reduce flood risks
Low
PO10 - Protection of important habitats
Medium
PO11 - Better protection for ecosystems and more use of Green Infrastructure
Medium
PO12 - More sustainable agriculture and forestry
Medium
PO13 - Better management of fish stocks
Medium
PO14 - Prevention of biodiversity loss
Medium

Case studies per NWRM