Seperacija is an

artificial lake A reservoir (; from French ''réservoir'' ) is an enlarged lake behind a dam. Such a dam may be either artificial, built to store fresh water or it may be a natural formation. Reservoirs can be created in a number of ways, including contro ...

near

Đurđevac Đurđevac is a town in the Koprivnica-Križevci County in Croatia. According to the 2011 census, there are a total of 8,264 inhabitants in the municipality, in the following settlements: * Budrovac, population 373 * Čepelovac, population 3 ...

Croatia , image_flag = Flag of Croatia.svg , image_coat = Coat of arms of Croatia.svg , anthem = "Lijepa naša domovino"("Our Beautiful Homeland") , image_map = , map_caption = , capit ...

. It is a

gravel pit A gravel pit is an open-pit mine for the extraction of gravel. Gravel pits often lie in river valleys where the water table is high, so they may naturally fill with water to form ponds or lakes. Old, abandoned gravel pits are normally used eithe ...

, created in the mid-1960s.

Sources

*https://web.archive.org/web/20130312001757/http://www.zsrk-djurdjevac.com/separacija.php Lakes of Croatia Landforms of Koprivnica-Križevci County {{Croatia-geo-stub