The lake is part of the Kolubara river watershed , as Jablanica is one of the headwaters which form the Kolubara , notorious for the flooding , especially of the town of Valjevo . Though it still was n't completed , the reservoir was pivotal in protecting Valjevo during the 2014 Southeast Europe floods . The reservoir received the surplus of the water brought by the torrents and often flooded Valjevo suffered no damage . This fact was used in public debates about the lake , concerning the flooding of the church . The preventing of the flooding was often used as an exemplary of proper reaction in such situation , amidst the mostly weak reaction of the other parts of the protective system and the government in general ( see Paljuvi Lake )
2014 Southeast Europe floods
2014 Southeast Europe floods
Rovni Lake