Case study:Sustainable management, at local level, of the alluvial aquifer of the River Tordera, through the reuse of waste water

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Location: 41° 41' 46.59" N, 2° 44' 0.73" E

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Project overview

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Status	Complete
Project web site
Themes
Country	Spain
Main contact forename	Lluis
Main contact surname	Balaguer
Main contact user ID
Contact organisation	ACA
Contact organisation web site
Partner organisations
This is a parent project encompassing the following projects	No

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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

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Catchment

River basin district	Pirineo Oriental
River basin	Tordera

Subcatchment

River name	Tordera
Area category
Area (km2)
Maximum altitude category	Less than 100 m
Maximum altitude (m)	25 m0.025 km <br />2,500 cm <br />
Dominant geology
Ecoregion	Ibero-Macaronesian
Dominant land cover	Urban
Waterbody ID

Other case studies in this subcatchment: Fluvial river restoration of Tordera in Sant Celoni, Fluvial river restoration of Tordera in Tordera

Site

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Name	Río Tordera
WFD water body codes
WFD (national) typology
WFD water body name
Pre-project morphology	Braided
Reference morphology	Braided
Desired post project morphology
Heavily modified water body
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	Urban
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

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Reach length directly affected (m)	55 m0.055 km <br />5,500 cm <br />
Project started	2001/07/01
Works started
Works completed	2003/12/01
Project completed
Total cost category	1000 - 5000 k€
Total cost (k€)	1409 k€1,409,000 € <br />
Benefit to cost ratio
Funding sources	LIFE project 338.101€, ACA, Tordera city council

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			ISTEM (sistema de placas fotovoltaica)
Post-project management and maintenance
Monitoring

Reasons for river restoration

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Mitigation of a pressure	Abstraction
Hydromorphology	Connection to groundwaters
Biology
Physico-chemical	Salinity
Other reasons for the project

Measures

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Structural measures
Bank/bed modifications
Floodplain / River corridor	Creation of an infiltration lagoon, New habitats construction
Planform / Channel pattern
Other
Non-structural measures
Management interventions
Social measures (incl. engagement)	Communication and dissemination program of environmental problems in the area.
Other

Monitoring

Hydromorphological quality elements

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quality elements

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

Biological quality elements

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quality elements

Element	When monitored		Type of monitoring		Control site used	Result
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Physico-chemical quality elements

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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

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

Monitoring documents

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Image gallery

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Additional links and references

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Link	Description

Supplementary Information

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