A reservoir was constructed in 1910 for the power station at Sivasamudram.
In 1992, a water catchment, reservoirs and other facilities were constructed.
The reservoir was constructed by William Hoof between 1834 and 1835.
A reservoir on the river Ruda was constructed to provide it with cooling water.
The reservoir was constructed during 1955-1956, during the Soviet times.
The reservoir was constructed between 1893 and 1901.
Covered reservoirs were constructed on the Hill in the 1940s and 1950s.
The main reservoir was constructed in 1890 and has a surface area of 9 Ha.
A small reservoir has been constructed at the foot of the cliff, and is used for bathing.
The six reservoirs were constructed between 1911 and 1924.