The Vrchlice Reservoir was built on the middle course of the stream in 1966–1970. It has an area of . The main purpose of the reservoir is the accumulation of water for drinking water supply. Other purposes are provision of minimum flow under the dam, the energy use of water outflow from the reservoir and contribution to flood protection. The dam of the reservoir is the only
arch dam in the Czech Republic. In addition to the reservoir, there are many fishponds on the stream. ==Nature==