Case study:Sherborne Windrush Restoration Project

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Location: 51° 49' 52.00" N, 1° 44' 51.66" W

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Project overview

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Status	In progress
Project web site
Themes	Habitat and biodiversity, Social benefits, Water quality
Country	England
Main contact forename	Vaughan
Main contact surname	Lewis
Main contact user ID
Contact organisation	Cotswold Rivers Trust
Contact organisation web site	http://www.cotswoldsriverstrust.org
Partner organisations	Cotswold Flyfishers, National Trust; Environment Agency; Defra; River Restoration Centre
Parent multi-site project
This is a parent project encompassing the following projects	No

River Windrush

Project summary

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The Sherborne Windrush Restoration Project is a partnership project that will use CRF funds to improve the River Windrush and the Sherborne Brook in the Sherborne area of Gloucestershire.

The river suffers from a degraded habitat aris-ing from insensitive dredging which has removed river bed gravels and built up banks causing a disconnect from the water meadows as well as suppressing in stream habitat varia-tion. There are also problems caused by dif-fuse agricultural pollution and areas of over sharing. These issues are preventing this stretch of water from meeting the required standards under the Water Framework Directive (WFD). This project will build on the work already completed by addressing the following issues: inadequate levels of fish spawning gravels; lack of in-stream habitat variation; pollution from agricultural run off; poaching of the banks by cattle; lack of hydrological connectivity with the flood plain; over shading by streamside vegetation.

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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 Cotswolds Subcatchment River name Sherbourne Brook Area category 10 - 100 km² Area (km2) Maximum altitude category 200 - 500 m Maximum altitude (m) 280280 m <br />0.28 km <br />28,000 cm <br /> Dominant geology Calcareous Ecoregion Great Britain Dominant land cover Arable and Horticulture Waterbody ID GB106039030460 Site Edit site Name River Windrush WFD water body codes GB106039030460 WFD (national) typology WFD water body name Sherbourne Brook Pre-project morphology Reference morphology Re-connection to the meadows 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 Intensive agriculture (arable) 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 100 - 500 k€ Total cost (k€) 109.636109.636 k€ <br />109,636 € <br /> 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 Continuity for organisms, Structure & condition of riparian/lake shore zones Biology Physico-chemical Specific synthetic pollutants Other reasons for the project Recreation 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 RRC Monitoring table - Sherborne Windrush Additional documents and videos Upload additional documents Sherborne Windrush Project Briefing Note Additional links and references Edit links and references Link Description Supplementary Information Edit Supplementary Information