Case study:The Rivers Return; Restoring the Kirklees Brook, River Irwell

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Location: 53° 37' 8", -2° 20' 0"
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Project overview

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Status Complete
Project web site
Themes Environmental flows and water resources, Fisheries, Hydromorphology, Social benefits
Country England
Main contact forename Matthew
Main contact surname Schofield
Main contact user ID
Contact organisation Irwell Rivers Trust
Contact organisation web site
Partner organisations APEM Ltd, Bury Council, Bury and District Angling Society, Trust for Conservation Volunteers, Environment Agency, Friends of Kirklees Valley, Holcombe Moore Heritage Group, Oxford Archaeology North, Ramsbottom Angling Association, Salford University, Tottington Civic Society
Parent multi-site project
This is a parent project
encompassing the following
projects
No
A culvert and a weir on the Kirklees Brook

Project summary

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The Irwell Rivers Trust and partners aim to deliver a range of weir removal, culvert removal and fish easement projects on the Kirklees Brook to improve the Brooks WFD HMWB status (to Good)

Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment

Catchment

River basin district North West
River basin Irwell

Subcatchment

River name Kirklees Brook
Area category 10 - 100 km²
Area (km2)
Maximum altitude category 200 - 500 m
Maximum altitude (m) 386
386 m
0.386 km
38,600 cm
Dominant geology Calcareous
Ecoregion Great Britain
Dominant land cover Improved grassland
Waterbody ID GB112069064610



Site

Name
WFD water body codes GB112069064610
WFD (national) typology
WFD water body name Kirklees Brook
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

Reach length directly affected (m)
Project started 2012/07/01
Works started
Works completed
Project completed 2015/03/01
Total cost category 100 - 500 k€
Total cost (k€) 410
410 k€
410,000 €
Benefit to cost ratio
Funding sources Defra Catchment Restoration Fund

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

Mitigation of a pressure Barriers to fish migration, Impoundments (not hydropower)
Hydromorphology Continuity for organisms, Channel pattern/planform
Biology Fish
Physico-chemical
Other reasons for the project


Measures

Structural measures
Bank/bed modifications
Floodplain / River corridor Barrier removal, Deculverting
Planform / Channel pattern Diversification of in-channel features
Other
Non-structural measures
Management interventions
Social measures (incl. engagement) Community involvement, Improved public access
Other


Monitoring

Hydromorphological quality elements

Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative

Biological quality elements

Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative

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

Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative


Monitoring documents




Additional documents and videos


Additional links and references

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Supplementary Information

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