Case study:BALLYMONEY RIVERSIDE PARK RESTORATION PROJECT

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Location: 55° 4' 9.30" N, 6° 30' 26.56" W

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Project overview

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Status	Complete
Project web site
Themes	Fisheries, Flood risk management, Habitat and biodiversity, Social benefits, Urban
Country	Northern Ireland
Main contact forename	Gareth
Main contact surname	Greer
Main contact user ID
Contact organisation	Rivers Agency, Northern Ireland (DARDNI)
Contact organisation web site	http://www.dardni.gov.uk/riversagency
Partner organisations	Ballymoney Borough Council; Dept Culture Arts and Leisue Inland Fisheries Group; Northern Ireland Environment Agency
This is a parent project encompassing the following projects

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Project summary

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This is an urban project, which aims to return an on-line boating lake on the Ballymoney River, to a productive salmonid stream. The impetus for the project was the ongoing cost of dredging the boating lake, which stimulated broader thinking towards a more sustainable plan for the site. Following a flood risk assessment, a scheme was agreed which entailed; the removal of a low weir, the restoration of a natural channel width, the restoration of natural substrate , the creation of in-channel features and the creation of wetland floodplain habitat which will provide flood storage. The project will be used as a demonstration site for multi-benefit restoration in an urban environment, and as an example of multi-agency working and funding.

Monitoring surveys and results

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Pre works assessment included a River Hydromorphology Assessmeent (RHAT) and fisheries survey, and a flood risk assessment. The site will be monitored for several years, with the council monitoring the development of the wetland and impacts on wildfowl, Rivers Agency continuing flood risk assessment, DCAL carrying out fish stock and habitat assessment, and NIEA carry out a reRHAT on regular intervals.

Lessons learnt

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The value of a multi-benefit scheme, through joint funding and agreed outcomes. The value of good PR and information from an early stage in project development.

Image gallery

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Catchment and subcatchment Select a catchment/subcatchment Site Edit site Name Ballymoney Riveside Park WFD water body codes GBNI1NB030301220 WFD (national) typology WFD water body name Ballmoney River Pre-project morphology Artificial channel Reference morphology Low gradient passively meandering Desired post project morphology Low gradient passively meandering, Pool-riffle 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 Artificially regulated Dominant substrate Silt, Cobble, Gravel River corridor land use Urban Average bankfull channel width category 5 - 10 m Average bankfull channel width (m) Average bankfull channel depth category 0.5 - 2 m 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