The earth-fill dam was retrofitted to protect against earthquakes between 2001 and 2003. The winter of 2022-2023 brought the reservoir to the capacity of . In March 2023 the lake overflowed into the spillway for the first time since 1998, some 25 years prior.
Between 2001 and 2003, an earth-fill dam was modified to better withstand earthquakes. During the winter of 2022-2023, the reservoir reached its full capacity. In March 2023, water overflowed into the spillway for the first time since 1998.