The reservoir does not connect directly to the main reticulation system; rather, to maintain levels at Clarendon Weir, water is released only as required.

A major renovation was completed in 1964 when the level of the dam was raised 6.4 metres to increase the reservoir's capacity by approximately 17,000 megalitres.

In early June 2007, the South Australian Government began a scoping study into expanding the reservoir's capacity fivefold to 240 gigalitres at an estimated cost of A$850 million.

[2] On 26 September 2010, Mount Bold Reservoir was opened for the first time since 2005 after receiving large amounts of rainfall in the week leading up to the date.

[3] A bushfire ravaged the Mount Bold Valley area, which includes the properties between Kangarilla and Echunga, during the second week of January 2007.