engleski

Problems with high concentrations of Mn and Fe at the pumping site Petruševec – Zagreb (Croatia)

The aquifer of the Zagreb area is the most important source of water supply for the city of Zagreb. Daily, from the aquifer is pumped about 5.5m3/s. Because of its great importance it has been intensively explored. In the Zagreb area there are several pumping sites. Petruševec is one of the Zagreb’ s pumping site. On this site on some wells it was observed the high concentrations of Mn and Fe. The concentrations sometimes exceed the Croatian drinking limits which for Mn is 50 ppb and for Fe 200 ppb. Both Fe/Mn are essential nutrients for all life. High levels of Mn in drinking water may affect neurological and muscle function in humans.

Mn; Fe; groundwater; Zagreb

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