Case study:River Bulbourne at Boxmoor Weir Removal

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Location: 51° 44' 32.18" N, 0° 28' 44.91" W

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Project overview

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Status	Complete
Project web site
Themes	Fisheries, Habitat and biodiversity, Water quality
Country	England
Main contact forename	Sandy
Main contact surname	Belloni
Main contact user ID	User:Sandy
Contact organisation
Contact organisation web site	http://www.colnecan.org.uk
Partner organisations
Parent multi-site project	Weir Today Gone Tomorrow
This is a parent project encompassing the following projects	No

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Project summary

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This project involved removal of a weir over the River Bulbourne which was impounding flow and preventing the movement of fish.

Monitoring surveys and results

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The work is being monitored by volunteers of the Box Moor Trust and the Environment Agency.

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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 2010 Works started Works completed Project completed Total cost category Total cost (k€) Benefit to cost ratio Funding sources Catchment Partnership Fund 2015 Cost for project phases Phase cost category cost exact (k€) Lead organisation Contact forename Contact surname Investigation and design Box Moor Trust 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 To enable fish migration and movement; Improve wildlife corridors Physico-chemical Other reasons for the project Measures Edit Measures Structural measures Bank/bed modifications Weir removal 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