Case study:The South Cornwall River Improvement Project

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Location: 50° 9' 36.67" N, 5° 20' 46.40" W

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Project overview

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Status	In progress
Project web site
Themes	Economic aspects, Habitat and biodiversity, Social benefits, Water quality
Country	England
Main contact forename	Giles
Main contact surname	Rickard
Main contact user ID
Contact organisation	Westcountry Rivers Trust
Contact organisation web site	http://www.wrt.org.uk/
Partner organisations	IMERYS, Environment Agency, South West Water, Cornwall Council, South West Rivers Association, Natural England, Heligan Gardens, Forestry Commission
This is a parent project encompassing the following projects	The South Cornwall River Improvement Project - Mevagissey River, The South Cornwall River Improvement Project - River Par, The South Cornwall River Improvement Project - St. Austell, The South Cornwall River Improvement Project – Bokiddicks Stream, The South Cornwall River Improvement Project – Crinnis, The South Cornwall River Improvement Project – Gorran Stream, The South Cornwall River Improvement Project – Polmear stream, The South Cornwall River Improvement Project – Portmellon Stream, The South Cornwall River Improvement Project – Warleggan

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Project summary

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The SCRIP project is a partnership that will use CRF funds to manage restoration work to deliver habitat improvements on the rivers that drain South Cornwall and the St Austell bay area. The partnership, led by the Westcountry Rivers Trust, has been carrying out river restoration and addressing the causes of Water Framework Directive issues together for many years.

Through restoration work, the project will address issues including: flow modifications and habitat degradation; diffuse pollution from agriculture; barriers to fish migration; interrupted conveyance of river gravels reducing spawning habitats for salmonids; impacts from china clay extraction and historic mining

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Catchment and subcatchment Select a catchment/subcatchment Site Edit site Name St. Neot WFD water body codes WFD (national) typology WFD water body name 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 500 - 1000 k€ Total cost (k€) 500500 k€ <br />500,000 € <br /> Benefit to cost ratio Funding sources Catchment Restoration Funds 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 Diffusse pollution, Aggregate/mineral extraction Hydromorphology Quantity & dynamics of flow Biology Fish Physico-chemical Other reasons for the project Measures Edit Measures Structural measures Bank/bed modifications Floodplain / River corridor Create riffle/pool Planform / Channel pattern Gravel introduction Other Non-structural measures Management interventions Social measures (incl. engagement) Boards-Interpretation areas will be installed to disseminate information and engage and educate local users 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 http://www.environment-agency.gov.uk/ The UK Environmet Agency is an Executive Non-departmental Public Body responsible to the Secretary of State for Environment, Food and Rural Affairs.The principal aims are to protect and improve the environment, and to promote sustainable development. http://www.southwestwater.co.uk/ South West Water is part of Pennon Group plc. Provide reliable, efficient and high quality drinking water and waste water services throughout Cornwall and Devon and in small areas of Dorset and Somerset. http://www.cornwall.gov.uk/default.aspx Cornwall Council is the unitary authority for Cornwall, in England, United Kingdom. http://www.naturalengland.org.uk/ Natural England is an Executive Non-departmental Public Body responsible to the Secretary of State for Environment, Food and Rural Affairs. The purpose is to protect and improve England’s natural environment and encourage people to enjoy and get involved in their surroundings. Supplementary Information Edit Supplementary Information