Case study:Platt Brook Restoration

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Location: 52° 28' 4.18" N, 1° 46' 18.44" W

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Project overview

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Status	Complete
Project web site	http://www.bbcwildlife.org.uk/nia/projects/platt-brook-restoration-project
Themes	Social benefits, Water quality, Urban
Country	England
Main contact forename	Will
Main contact surname	Groves
Main contact user ID	User:Wgroves
Contact organisation	Environment Agency
Contact organisation web site	http://www.environment-agency.gov.uk
Partner organisations	Birmingham City Council, Environment Agency, Birmingham and Black Country NIA
Parent multi-site project
This is a parent project encompassing the following projects	No

Project picture

Project summary

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The project aims were to improve the aesthetics, water quality and biodiversity of the Platt Brook in Sheldon, Birmingham. The focus of the project was a section of the brook flowing through public land surrounded by high density housing.

Before the project, the brook was much neglected and suffered from silt build up, flytipping and pollution from misconnections and other sewer misuse.

During the restoration works silt was removed and its banks were pulled back to recreate a more natural river channel. It is hoped that the scheme will help the brook to self-cleanse and re-oxygenate, providing much needed urban habitat for wildlife and making the brook more accessible for people.

The project was delivered in 2013.

Since the end of the project the brook has been adopted by a community based WatersideCare group - http://www.keepbritaintidy.org/watersidecare/689

This project was delivered by the Birmingham Brooks Partnership and is a sister project to the Short Heath Brook project - http://restorerivers.eu/wiki/index.php?title=Case_study%3AShort_Heath_Brook_Project

Engagement with local community leading to adoption by WatersideCare group.

Monitoring surveys and results

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Water quality monitoring is showing improvements in dissolved oxygen since the restoration work - see DO chart below.

Invertebrate monitoring undertaken in Spring 2012 before works commenced gave a very low BWMP score of 7/200. Biological sampling will be repeated in Spring/Summer 2014.

Changes in public opinion of the brook prior to and after the restoration scheme have also been recorded - see survey results below.

Lessons learnt

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Image gallery

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Platt Brook before restoration

Platt Brook bed before restoration

Platt Brook bed after restoration

Platt Brook Dissolved Oxygen results

Platt Brook restoration resident survey

Catchment and subcatchment Select a catchment/subcatchment Edit the catchment and subcatchment details (affects all case studies in this subcatchment) Catchment River basin district Severn River basin Shropshire Middle Severn Subcatchment River name Platt Bk - source to conf R Tern Area category 10 - 100 km² Area (km2) Maximum altitude category 100 - 200 m Maximum altitude (m) 194194 m <br />0.194 km <br />19,400 cm <br /> Dominant geology Siliceous Ecoregion Great Britain Dominant land cover Arable and Horticulture Waterbody ID GB109054050210 Site Edit site Name WFD water body codes GB109054050210 WFD (national) typology WFD water body name Platt Bk - source to conf R Tern 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 Hydromorphology Biology Physico-chemical This watercourse has been subject to sources of urban diffuse pollution such as from misconnections and fly-tipping. Other reasons for the project The project aimed to improve the look of and access to the watercourse for the benefit of the local community. Measures Edit Measures Structural measures Bank/bed modifications Restoring gravel bed Floodplain / River corridor Planform / Channel pattern Meandering channel Other Removal of accumulated debris and silt. Non-structural measures Management interventions Social measures (incl. engagement) Community involvement 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