Case study:Blake Avenue, Mayes Brook

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Location: 51° 31' 55.86" N, 0° 6' 1.16" E

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Project overview

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Status	Complete
Project web site
Themes
Country	England
Main contact forename	Becca
Main contact surname	O’Shea
Main contact user ID
Contact organisation	Environment Agency
Contact organisation web site	http://www.gov.uk/government/organisations/environment-agency
Partner organisations
Parent multi-site project
This is a parent project encompassing the following projects	No

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Project summary

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To enhance the current flood storage area for nature conservation, including target BAP species such as water vole. This can be achieved by reinstating natural earth banks and the creation of a marginal aquatic zone. To create BAP habitats such as reedbeds and standing water in the form of wetlands and backwater creation. To allow and improve public access to the brook and help encourage environmental awareness and social involvement with local wildlife. Blake Avenue is a side-spill flood alleviation area situated on the right bank of Mayes Brook 3139m², located 500m upstream of County Gardens flood alleviation area. The channel within this section is straight with a reinforced right bank incorporating a sluice, which is located in the middle for drainage following flood events. The earth-bunded flood storage area comprises well maintained grassland, which is cut 4-6 times a year during the growing season. The area is inundated 3-4 times a year and requires dredging every 5-10years. The site is EA-owned and lies directly adjacent to residential properties.

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Catchment and subcatchment Select a catchment/subcatchment Site Edit site Name WFD water body codes WFD (national) typology WFD water body name Pre-project morphology Reference morphology Desired post project morphology Heavily modified water body National/international site designation Local/regional site designations Protected species present Invasive species present 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 Edit project background Reach length directly affected (m) Project started Works started Works completed Project completed Total cost category Total cost (k€) Benefit to cost ratio Funding sources 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 Edit reasons for restoration Mitigation of a pressure Hydromorphology Biology Physico-chemical Other reasons for the project Measures Edit Measures Structural measures Bank/bed modifications Floodplain / River corridor Planform / Channel pattern Other Non-structural measures Management interventions Social measures (incl. engagement) Other Monitoring Hydromorphological quality elements Edit Hydromorphological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Biological quality elements Edit biological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Physico-chemical quality elements Edit Physico-chemical quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Any other monitoring, e.g. social, economic Edit Other responses Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Monitoring documents Upload monitoring documents Additional documents and videos Upload additional documents Additional links and references Edit links and references Link Description Supplementary Information Edit Supplementary Information