Kustošak Explained

Kustošak is a stream passing through the neighbourhoods of Kustošija and Trešnjevka in Zagreb, Croatia. It is located on the western part of Medvednica Mountain's southern slope.[1] The stream's upper basin is not easily accessible due to suburban development, but public walkways have been built along its lower basin. Before the urbanisation of Trešnjevka, Kustošak used to flow directly into Sava River, but due to the river's meandering only a sharp remains of the stream's former mouth. Further downstream, Kustošak discharges into the Vrapčak stream. Parts of the stream were covered in the course of the city's expansion,[2] and several retention basins have been built.[3]

In May 2013 and March 2014, the stream was polluted by a fluorescent green liquid,[4] [5] which caused a dying of frogs. The authorities determined that the cause of the 2013 discoloration was deliberate waste dumping.[6] The stream is listed as having category II water quality.[7] It is also classified as a water flow with a protective corridor.[8]

See also

Notes and References

  1. Web site: Nature - Water. Medvednica Nature Park. 18 May 2017. 1 October 2017. https://web.archive.org/web/20171001165218/http://www.stari.pp-medvednica.hr/Medvednica_en/Medvednica_priroda_hidrologija_en.htm. dead.
  2. Web site: Šimpraga. Saša. Perspektive gradskih potoka. H-Alter. 18 May 2017. hr. 21 April 2016. 14 May 2021. https://web.archive.org/web/20210514141620/http://www.h-alter.org/vijesti/perspektive-gradskih-potoka. dead.
  3. Web site: Provedbeni plan obrane od poplava branjenog područja. Hrvatske Vode. 18 May 2017. hr. March 2014.
  4. Web site: Zašto je potok Kustošak bio jarko zeleno - tirkizne boje?. HINA. Tportal.hr. hr. 18 May 2017. 17 May 2013.
  5. Web site: Madunić. Ines. Onečišćenje u Zagrebu: Potok Kustošak ponovno pozelenio. 24sata. 18 May 2017. hr. 19 March 2014.
  6. Web site: Istraga u tijeku: Tko je 'zazelenio' zagrebački potok Kustošak?. Dnevnik.hr. 18 May 2017. hr-HR. 17 May 2013.
  7. Web site: Plan za zaštitu voda Grada Zagreba. Zagreb.hr. City of Zagreb. 18 May 2017. hr. DOC. 29 March 2001.
  8. Web site: Odluka o donošenju Prostornog plana Parka prirode Medvednica. Narodne novine. 18 May 2017. hr. 15 July 2014.

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