IRIDRA

Nature-based solutions - Sustainable water management

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Telephone 055.470729
Fax 055.475593
Address Via Alfonso la Marmora, 51 - 50121 - Florence

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IRIDRA's experience

Among the most representative examples of IRIDRA's experience in this field are following reported.


Combined sewer overflow of Gorla Maggiore (VA - Italy): The "Water Park"

cso gorla  web

Yearly treated volumes of first flush
150.000 m3/year
Chosen Nature-based solution
VF + FWS
Peculiarity
Multipurpose nature-based solution integrating different ecosystem services within the new "Water Park" of Gorla Maggiore: water quality improvement of Olona river, flood mitigation, recreational site, and biodiversity increase. Case study of EU  funded project OpenNESS.
Year of realization
2012


Combined sewer overflow upstream the WWTP of Merone (CO - Italy)

CSO merone II  web

Yearly treated volumes of CSOs
564.000 m3/year
Chosen Nature-based solution
FBA™ + FWS
Peculiarity
First aerated constructed wetland for CSO treatment in Italy, and among the first in the World
Year of design
2015

 


Combined sewer overflow upstream the WWTP of Carimate (CO - Italy)

cso carimate ii  web

Yearly treated volumes of CSOs
515.000 m3/year
Chosen Nature-based solution
VF + FWS
Peculiarity
Nature-based solution integrating also intervention for environmental education and river restoration. Particularly, the project implements a restored  riparian zone of Seveso river and a didactic wood area
Year of design
2015


Combined sewer overflow of Villaguardia (CO - Italy)

CSO villaguardia II  web

Treated first flush flow rate
Up to 140 l/s
Chosen Nature-based solution
VF + FWS
Peculiarity
Multipurpose nature-based solution integrating different ecosystem services: water quality improvement, recreational site, and biodiversity increase.
Year of design
2015


Combined sewer overflow of Carugo (CO - Italy)

cso carugo  web

Treated first flush flow rate
Up to 40 l/s
Chosen Nature-based solution
VF
Year of design
2016


Combined sewer overflow of Mozzate (CO - Italy)

cso mozzate  web

Treated first flush flow rate
Volumes higher than the 2050 m3 captured by the first flush tank
Chosen Nature-based solution
FWS
Peculiarity
Multipurpose nature-based solution integrating different ecosystem services: water quality improvement of second flushes, flood mitigation, recreational site (bicycle lane, birdwatching), and biodiversity increase.
Year of  realization
2016


Combined sewer overflow of Capiago Intimiano (CO - Italy)

CSO Capiago 3  web

Treated volumes of CSOs
up to 130 m3 per CSO event
Chosen Nature-based solution
VF + FWS
Peculiarity
Multipurpose nature-based solution integrating different ecosystem services: water quality improvement, flood mitigation, recreational site, and biodiversity increase.
Year of design
2016


Combined sewer overflow upstream the WWTP of Mariano Comense (CO - Italy)

CSO Mariano Comense  web

Yearly treated volumes of CSOs
10.000 m3/year
Chosen Nature-based solution
FBA™ + FWS
Peculiarity
Pilot plant to optimise aerated wetland for combined sewer overflow treatment.
Year of  realization
2020