Happy Valley Reservoir
The Happy Valley Reservoir was completed in 1897. In addition to water from its reserve, the reservoir receives water from Mount Bold Reservoir via the Clarendon Weir.
The Happy Valley Water Treatment plant, which treats much of Adelaide’s drinking water, is located within the reservoir reserve.
Capacity: 12.6 gigalitres
Open to the public: Yes
Visit our recreation at reservoir reserves page for details about the activities you can enjoy at Happy Valley Reservoir Reserve.

Total Happy Valley Reservoir level
- 82
- 79
| Capacity, volume and rainfall levels across reservoirs supplying metropolitan Adelaide, compared to last month last year | |||||
|---|---|---|---|---|---|
| Capacity (GL) | Volume this week (GL) | Volume this week (%) | Volume this week last year (GL) | Average Volume this month (GL) | Rainfall this week (mm) |
| 12.6 | 10.3 | 82 | 9.9 | 10.2 | 33.20 |