[1] In 1953 a tailings dam was built in order to accumulate the byproducts of the nearby lead and zinc mine.

It separates the flotation reservoir from the valley of the Despotovica river, which flows through the town of Gornji Milanovac (8 km (5.0 mi) downstream), and from the Ibar Highway.

The tailings is a result of 264,000 tons of ore which is being treated yearly in the mine: lead, zinc, copper and traces of silver.

In 2013 a devices for early notification in case of the quake were installed and are directly connected to the state seismology institute.

[2] The flood wave from the slopes of the Rudnik mountain was slowed and effectively prolonged in 5 days instead of sweeping at once.