| Suma Park Dam | |
| Location Map: | New South Wales |
| Location Map Caption: | Location of the Suma Park Dam in New South Wales |
| Coordinates: | -33.2817°N 149.1344°W |
| Country: | Australia |
| Location: | Central West, New South Wales |
| Purpose: | Water supply |
| Status: | O |
| Opening: | 1962 |
| Operator: | Orange City Council |
| Dam Type: | A |
| Dam Crosses: | Summer Hill Creek |
| Spillway Count: | 1 |
| Res Name: | Suma Park Reservoir |
Suma Park Dam is a concrete arch dam across the Summer Hill Creek in the central west region of New South Wales, Australia. The main purpose of the dam is to supply potable water to the city of Orange. The impounded reservoir is called Suma Park Reservoir.
The dam is located east of Orange; with the secondary water source, Spring Creek Reservoir, located to the south-east of Orange. Built in 1962, Suma Park Dam is owned and maintained by Orange City Council. Prior to the construction of Suma Park Dam, Lake Canobolas (then known as Meadow Creek Dam) on the Molong Creek was also used as a domestic water source.
The Suma Park Dam concrete wall is high and the arch crest is long, with a crest width of . At 100% capacity the dam wall holds back of water. The surface area of Suma Park Reservoir is and the catchment area is . The uncontrolled spillway is capable of discharging .[1] [2]
Surveillance and dam safety inspections are conducted regularly by the Orange City Council. In 2005 and 2010,[3] the dam overflowed.[4] In 2011, the Council published a report giving options for raising the height of the dam.[5]