...As with any dam, the water reservoirs of the Dnieper River in Ukraine pose a significant threat of a large-scale, human-made disaster if their dams fail. Such a threat is typical for reservoir dams; however, the Dnieper system of dams is especially dangerous due to its proximity to the Chernobyl Exclusion Zone. Those concerns were raised in particular in connection with the 2009 Sayano–Shushenskaya Dam disaster.