Case study:Improving water quality in Loweswater

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Location: 54° 35' 0", -3° 21' 24"
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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 Vikki
Main contact surname Salas
Main contact user ID
Contact organisation West Cumbria Rivers Trust
Contact organisation web site http://westcumbriariverstrust.org/
Partner organisations National Trust, Environment Agency, Natural England, Centre for Ecology & Hydrology
Parent multi-site project
This is a parent project
encompassing the following
projects
No
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Project summary

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To ensure that Loweswater achieves good ecological status under the WFD, diffuse pollution will be reduced through changes to farming practices and restoration of tributaries, and methods will be trialled to reduce algal populations within the lake including ultrasound and wind-powered aerating and mixing equipment.

The project is ongoing thanks to funding from the National Trust to allow continued monitoring of the site.

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 Derwent (NW)

Subcatchment

River name Dub (Park) Beck
Area category 10 - 100 km²
Area (km2)
Maximum altitude category 500 - 1000 m
Maximum altitude (m) 611
611 m
0.611 km
61,100 cm
Dominant geology Siliceous
Ecoregion Great Britain
Dominant land cover Acid Grassland
Waterbody ID GB112075070360



Site

Name
WFD water body codes GB31228986
WFD (national) typology
WFD water body name Loweswater
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
Total cost category 100 - 500 k€
Total cost (k€) 427
427 k€
427,000 €
Benefit to cost ratio
Funding sources Defra Catchment Restoration Fund, National Trust

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 Pollution incident, Riparian development
Hydromorphology
Biology Phytoplankton
Physico-chemical Nutrient concentrations
Other reasons for the project Landscape enhancement


Measures

Structural measures
Bank/bed modifications
Floodplain / River corridor
Planform / Channel pattern
Other
Non-structural measures
Management interventions Non/agricultural business changed its way of working
Social measures (incl. engagement) Community involvement
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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