Toonumbar Dam
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| Lake Toonumbar | |
|---|---|
| Location | New South Wales |
| Coordinates | 28°36′18″S 152°46′34″E / 28.605°S 152.776°E |
| Lake type | Reservoir |
| Primary inflows | Iron Pot Creek |
| Primary outflows | Iron Pot Creek |
| Catchment area | 60.2 km2 (23.2 sq mi) |
| Basin countries | Australia |
| Surface area | 4 km2 (1.5 sq mi) |
| Max. depth | 44 m (144 ft) |
| Water volume | 11,000,000 m3 (8,900 acre·ft) |
Toonumbar Dam is a dam built across the Iron Pot Creek that creates the artificial Lake Toonumbar. The dam is located 31km West of Kyogle, New South Wales, Australia.
The dam's roles are to conserve water, decrease the flood risk in the area and mainly provide water for crop irrigation in the Richmond Vally Shire.
Contents |
[edit] Purpose
The dam was primarily designed as an irrigation water storage facility and building commenced in 1969 and ended in 1971.
- Lake Toonumbar also provides a location for freshwater sports fishing for the species Australian Bass. Boat access is available at Bells Bay and near the dam wall, combustion engine powered craft are permitted to use the dam as long as the 8 knot speed limit is kept to.
[edit] Fishing
- Toonumbar Dam has been stocked regularly with Australian Bass and Eastern Cod (totally protected in NSW) fingerlings.
- It is also known as one of the best bass fisheries on the North Coast.
- Toonumbar Dam fishing Information
A NSW Fishing Licence is required to fish in the dam.
[edit] Key facts
- The dam has a total storage capacity of 11,000 ML. The catchment area has an approximate area of 9,800 hectares.
[edit] Statistics
- Average annual rainfall:
- Capacity – water supply: 11 000 ML
- Capacity – flood storage: Nil
- Submerged area at full supply level:
- Stream Bed Level at Structure (AHD): 41m
- Embankment or Crest Level (AHD):
- Type of Structure:
- Year of Completion: 1971
- Length of Wall: 229m
- Spillway Gates:
- Regulator Valves:
- Average Evaporation (mm/year):
[edit] Construction
The dam wall consists of a rock and earth fill, and a concrete lining.
[edit] See also
[edit] References
[edit] External links
Coordinates: 28°37′09″S 152°47′33″E / 28.6193°S 152.7925°E
