Isis Balancing Storage
| Isis Balancing Storage | |
|---|---|
Isis Balancing Storage Location of the dam in Queensland | |
Interactive map of Isis Balancing Storage | |
| Country | Australia |
| Location | 24 km (15 mi) north of Childers, Wide Bay-Burnett, Queensland |
| Coordinates | 25°01′57″S 152°14′06″E / 25.0326°S 152.235°E |
| Purpose | Irrigation |
| Status | Operational |
| Opening date | 1986 |
| Operator | SunWater |
| Dam and spillways | |
| Type of dam | Earth fill dam |
| Impounds | Tributary of the Elliott River |
| Height (foundation) | 14.2 m (47 ft) |
| Length | 721 m (2,365 ft) |
| Elevation at crest | 64.2 m (211 ft) AHD |
| Width (crest) | 6 m (20 ft) |
| Spillway type | Uncontrolled |
| Spillway capacity | 453 m3/s (16,000 cu ft/s) |
| Reservoir | |
| Creates | Lake Gregory |
| Total capacity | 6,440 ML (5,220 acre⋅ft) |
| Active capacity | 6,160 ML (4,990 acre⋅ft) |
| Catchment area | 12.8 km2 (4.9 sq mi) |
| Surface area | 167 ha (410 acres) |
| Maximum water depth | 3.1 m (10 ft) |
| Normal elevation | 64 m (210 ft) AHD |
The Isis Balancing Storage is a small earth-filled embankment dam across an unnamed tributary of the Elliott River, located between Bundaberg and Childers in the Wide Bay-Burnett region of Queensland, Australia. Completed in 1986, the impoundment created Lake Gregory, also known as The Duckpond, that was built to provide irrigation water to farmers on the Isis channel system.