Case study:Stora, Holstebro HEP station

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Location: 56° 21' 7", 8° 38' 18"
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Project overview

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Status Complete
Project web site
Themes Habitat and biodiversity, Hydropower, Water quality
Country Denmark
Main contact forename Per Soby
Main contact surname Jensen
Main contact user ID
Contact organisation Ringkjobing County
Contact organisation web site
Partner organisations
Parent multi-site project
This is a parent project
encompassing the following
projects
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Project summary

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Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment

Catchment

River basin district
River basin

Subcatchment

River name River Stora
Area category 100 - 1000 km²
Area (km2) 725 km²
72,500 ha
Maximum altitude category
Maximum altitude (m) unknown m
"unknown m" is not a number.
Dominant geology unknown
Ecoregion Central Plains
Dominant land cover Urban, Grassland
Waterbody ID



Site

Name Holstebro Hydroelectric power station
WFD water body codes
WFD (national) typology
WFD water body name
Pre-project morphology Single channel, Impounded
Reference morphology
Desired post project morphology
Heavily modified water body true
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) 8900 l/s
8.9 m³/s
Average channel gradient category
Average channel gradient 0.0080916030534
Average unit stream power (W/m2)


Project background

Reach length directly affected (m) 655 m
0.655 km
65,500 cm
Project started 1989/01/01
Works started 1989/01/01
Works completed 1989/01/01
Project completed
Total cost category 100 - 500 k€
Total cost (k€) 175 k€
175,000 €
Benefit to cost ratio
Funding sources Danish EPA (3/5), Ringkjobing County (1/5), Holstebro Municipality (1/5)

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 Hydropower, Navigation
Hydromorphology
Biology Fish: Abundance, Fish: Species composition
Physico-chemical
Other reasons for the project Landscape enhancement


Measures

Structural measures
Bank/bed modifications
Floodplain / River corridor
Planform / Channel pattern Creating new bypass riffle
Other
Non-structural measures
Management interventions
Social measures (incl. engagement)
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
Fish: Species composition Improvement
Fish: Abundance Improvement

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

Link Description

Supplementary Information

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