Case study:Babbs Mill reed bed

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Location: 52° 29' 20", -1° 45' 44"
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Project overview

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Status Complete
Project web site
Themes Habitat and biodiversity, Urban
Country England
Main contact forename Will
Main contact surname Groves
Main contact user ID User:Wgroves
Contact organisation Environment Agency
Contact organisation web site http://www.environment-agency.gov.uk
Partner organisations Environment Agency, Solihull Metropolitan Borough Council, Friends of Kingfisher Park
Parent multi-site project
This is a parent project
encompassing the following
projects
No
Babbs Mill lake reedbed via Google satellite image

Project summary

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The project will help improve the water quality of both Babb’s Mill lake and the River Cole and should also eradicate the unpleasant smell associated with one of the waterways in the area, known locally as the ‘smelly brook’.

A new reed bed has been created (March 2013) to improve water quality in Babbs Mill lake by cleansing the urban watercourse which flows through York’s Wood.

At the same time the watercourse itself was restored as it was broken out of its existing concrete channel and into a more natural course.

It's hoped that the more natural and visible watercourse will help deter fly tipping and increase the reporting of pollution incidents.

A shallow-water shelf was also created in Babbs Mill Lake from material excavated during the creation of the reedbed. This area will be allowed to develop into a second reed bed providing additional treatment of the watercourse.

Photos of the scheme are available at http://www.flickr.com/photos/environment-agency/sets/72157632746487191/#

Increase community awareness of urban catchment challenges.

Monitoring surveys and results

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Lessons learnt

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Image gallery


Babbs Mill reedbed creation
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Catchment and subcatchment

Catchment

River basin district Humber
River basin Tame Anker and Mease

Subcatchment

River name R Cole from Springfield to Hatchford-Kingshurst Brook
Area category 10 - 100 km²
Area (km2)
Maximum altitude category 100 - 200 m
Maximum altitude (m) 154
154 m
0.154 km
15,400 cm
Dominant geology Calcareous
Ecoregion Great Britain
Dominant land cover Suburban
Waterbody ID GB104028042502



Site

Name
WFD water body codes GB104028042502
WFD (national) typology
WFD water body name R Cole from Springfield to Hatchford-Kingshurst Brook
Pre-project morphology
Reference morphology
Desired post project morphology
Heavily modified water body No
National/international site designation
Local/regional site designations
Protected species present No
Invasive species present No
Species of interest
Dominant hydrology
Dominant substrate
River corridor land use
Average bankfull channel width category
Average bankfull channel width (m)
Average bankfull channel depth category
Average bankfull channel depth (m)
Mean discharge category
Mean annual discharge (m3/s)
Average channel gradient category
Average channel gradient
Average unit stream power (W/m2)


Project background

Reach length directly affected (m)
Project started
Works started
Works completed 2013/03/29
Project completed
Total cost category
Total cost (k€)
Benefit to cost ratio
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Cost for project phases

Phase cost category cost exact (k€) Lead organisation Contact forename Contact surname
Investigation and design
Stakeholder engagement and communication
Works and works supervision
Post-project management and maintenance
Monitoring



Reasons for river restoration

Mitigation of a pressure Urbanisation
Hydromorphology Channel pattern/planform, Quantity & dynamics of flow, Width & depth variation
Biology
Physico-chemical Oxygen balance, Specific synthetic pollutants
Other reasons for the project Water quality, Community demand, Landscape enhancement


Measures

Structural measures
Bank/bed modifications Channel reprofiling
Floodplain / River corridor Reedbed creation
Planform / Channel pattern
Other
Non-structural measures
Management interventions
Social measures (incl. engagement) Awareness raising
Other


Monitoring

Hydromorphological quality elements

Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative

Biological quality elements

Element When monitored Type of monitoring Control site used Result
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Physico-chemical quality elements

Element When monitored Type of monitoring Control site used Result
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Any other monitoring, e.g. social, economic

Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative


Monitoring documents



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Supplementary Information

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