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The multi-functional Podutik reservoir   against pollution and floods (Ljubljana)

The   Podutik reservoir, constructed in 1986 to protect part of the Ljubljana Urban   Region from floods, receives water from the Glinščica River and stormwater   from the nearby settlements. The reservoir is facing water quality problems,   as it is affected by occasional overflows from leaking septic tanks, polluted   tributaries and urban runoff from gardens, parking places, etc (Griessler   Bulc et al. 2015).

In 2001,   the Glinščica River as a main recipient of the water from the Podutik reservoir   was found to be increasingly toxic. With the objective to provide additional   flood prevention and pollution mitigation, as of 2006, in scope of the   Environmental Action Programme of Ljubljana (2014-2020), the authorities   started to implement green infrastructure in the catchment of the Glinščica   River. Part of the flood reservoir Podutik was redesigned into a   multi-functional flood reservoir with enhanced ecosystem services, provided   by a constructed wetland and a new, meandering river bed.

The re-design of the Podutik   reservoir into a multifunctional flood reservoir has enhanced water quality   and improved nature conservation value, as well as encouraged recreational   and educational use (Grant, 2016). Efforts to include civil society and   provide education have contributed to public awareness and have stimulated   communication between public authorities, polluters and end users of the   flood reservoir.

The re-design of the Podutik flood reservoir is also   used as a demonstration site. As Podutik is the first multi-functional   flood reservoir in the Ljubljana Urban Region area, as well in Slovenia, it is   used to outline new perspectives for future developments in water management   and flood prevention.