| Little Nerang Dam | |
| Image Caption: | Little Nerang dam site, June 1959 |
| Location Map Caption: | Location of the Little Nerang Dam in Queensland |
| Coordinates: | -28.1436°N 153.285°W |
| Country: | Australia |
| Location: | South East Queensland |
| Purpose: | Potable water supply |
| Status: | O |
| Operator: | SEQ Water |
| Dam Type: | G |
| Dam Crosses: | Little Nerang Creek |
| Dam Length: | 201m (659feet) |
| Dam Volume: | 68e3m3 |
| Spillway Type: | Uncontrolled |
| Spillway Capacity: | 570m3/s |
| Res Capacity Total: | 6705ML |
| Res Catchment: | 35.2km2[1] |
| Res Surface: | 49ha[2] |
| Location Map: | Queensland |
| Dam Height: | 44m (144feet) |
The Little Nerang Dam is a concrete gravity dam with an un-gated spillway across the Little Nerang Creek that is located in the South East region of Queensland, Australia. The main purpose of the dam is for potable water supply of the Gold Coast region.[3] [2] The impounded reservoir is also called Little Nerang Dam. The dam was closed to the public in 2013 due to safety concerns.[4]
The dam is located west of and driving distance from, and is located directly upstream from the Hinze Dam. Prior to the completion of the Hinze Dam, the Little Nerang Creek Gravity Scheme supplied the water requirements of the Gold Coast area. Water flows by gravity pipeline to the Mudgeeraba Water Treatment Plant. The plant, completed in 1969, has the capacity to treat 110ML a day. The water then flows by gravity to the city's storage reservoirs.
Completed in 1962,[3] the rock and earthfill dam structure is high and long. The 68e3m3 dam wall holds back the 8390ML reservoir when at full capacity. From a catchment area of that includes the Springbrook Plateau, the dam creates an unnamed reservoir with a surface area of . The uncontrolled un-gated spillway has a discharge capacity of .[3] Initially managed by Gold Coast Water, management of the dam was transferred to Seqwater in July 2008.
Recreation is not permitted at Little Nerang Dam. As of 2019, Access to Little Nerang Dam and Little Nerang Dam Road Seqwater is now restricted to SEQWater employees and residents of the road, with a large security gate blocking access.[5]