Case study:Teddington Wharf

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Location: 51° 25' 46.44" N, 0° 19' 26.93" W

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Project overview

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Status	Complete
Project web site
Themes	Environmental flows and water resources, Flood risk management, Habitat and biodiversity
Country	England
Main contact forename	Joanna
Main contact surname	Heisse
Main contact user ID
Contact organisation	Environment Agency
Contact organisation web site
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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Aims of project:
- enhanced tidal defences
- conservation enhancements
- flood storage

Work undertaken:
- closure of three floodgates
- replacement of part of river wall
- provision of riverside walkway
- planting between river edge and buildings
The site adjacent to the river Thames in Teddington was a famous boatyard for several decades. A mixed development was proposed on the site. However, part of the development is in the floodplain. In consultation with the environment agency it was decided to set the flood defences away from the river frontage and part of the ground flood of one buildinghas been left ‘open’ to the tide. These measures enable flood storage on the redevelopment site to be unchanged form the original site.

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Catchment and subcatchment Select a catchment/subcatchment Edit the catchment and subcatchment details (affects all case studies in this subcatchment) Catchment River basin district Thames River basin Maidenhead to Sunbury Subcatchment River name Thames (Egham to Teddington) Area category 1000 - 10000 km² Area (km2) Maximum altitude category Less than 100 m Maximum altitude (m) 7171 m <br />0.071 km <br />7,100 cm <br /> Dominant geology Calcareous Ecoregion Great Britain Dominant land cover Suburban Waterbody ID GB106039023232 Other case studies in this subcatchment: Broom Road Recreation Ground, Chertsey meads, Hampton Court Palace, Hurst Park, The Barge Walk, Hampton Court Site Edit site Name WFD water body codes GB106039023232 WFD (national) typology WFD water body name Thames (Egham to Teddington) 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 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 Flood risk management Hydromorphology Biology Physico-chemical Other reasons for the project Recreation Measures Edit Measures Structural measures Bank/bed modifications Removing of concrete structures Floodplain / River corridor Planform / Channel pattern Other Non-structural measures Management interventions Social measures (incl. engagement) Improved public access 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