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Constructed wetland with reed bed filters near Reims, France

NWRM(s) implemented in the case study

Sources

Site information

Climate zone
cool temperate moist
Mean rainfall
618
Mean rainfall unit
mm/year
Average temperature
10
Type
Modelled/Simulated Example
Light or indepth?
Light

Monitoring maintenance

Monitoring impacts effects
0

Performance

Performance impact estimation method
Unknown

Design and implementations

Application scale
City
Performance timescale
< 1 year
Area (ha)
72
Design capacity description
15000m3
Constraints
At the beginning of the project, the storage was going to be a concrete water tank. A whole procedure of re-thinking had to be done.
Favourable preconditions
The idea to change from concrete to natural water retention was supported by WFD conditions and the city management.
Design contractual arrangement
No data
Design consultation activity
No data
Design land use change
No data
Design authority
No data

Lessons, risks, implications...

Success factor(s)
No data
Financing
No data
Barrier
No data
Driver
No data
Financing share
No data

Policy, general governance and design targets

Policy description
Bezannes needed an area to store water from runoff to protect a new urban zone.
Policy target
Target purpose
Increase Water Storage
Runoff control
Improved Biodiversity
Oher Societal Benefits
Policy pressure
No data
Policy area
No data
Policy impact
No data
Policy wider plan
No data
Policy requirement directive
No data

Socio-economic

Ecosystem improved biodiversity
1
Information on Ecosystem improved biodiversity
No biodiversity involved
Ecosystem provisioning services
1
Information on Ecosystem provisioning services
Amenity space, improvement of water quality, increased water storage
Ecosystem impact climate regulation
No specific impact
Information on Ecosystem impact climate regulation
Not mentioned

Biophysical impacts

Information on retained water
15000m3 capacity in a constructed wetland
Water quality overall improvements
N/A info
Information on Water quality overall improvements
The wetland may have a beneficial effect on water quality
Soil quality overall soil improvements
N/A info
Information on Soil quality overall soil improvements
Biodiversity enhanced