border into Croatia where hydroelectric power plant "HE Orlovac" is situated. Lipsko Lake is connected with much larger reservoir of Buško Blato, whose head can rise above head of Lipsko Lake up to several meters, via the reversible canal of "Lipsko-Buško" where it stores an excess waters from Livanjsko Polje and the Bistrica, especially during flooding season and high precipitation periods. For transfer of these waters over the barrage "Podgradina", at village Podgradina, into Buško Blato reservoir, system uses reversible pumping station "Buško Blato", built at the point where canal reaches barrage. References Lakes of Bosnia and Herzegovina Livanjsko polje Landforms of the Federation of Bosnia and Herzegovina Important Bird Areas of Bosnia and Herzegovina Ramsar sites in Bosnia and Herzegovina