Reservoir · New South Wales · Australia · BOM Water Data Online
Grahamstown Lake
Current fill: N/A
Capacity
192.3 hm³
Volume stored
N/A
River
Nine Mile Creek & Seven Mile Creek
Year completed
1965
Coordinates
32.739°S, 151.812°E
Not currently reporting
The most recent reading for this reservoir is from 2025-12-17, more than 45 days ago, so the current fill is shown as N/A. The history below reflects that older reading.
Current fill
N/Avs 7 days ago
N/Avs 1 year ago
N/A7-day trend
N/AData source: Bureau of Meteorology — Water Data Online (KiWIS) — daily mean storage volume, quality-controlled. Capacity from the BOM Water Storages ArcGIS layer (total design capacity in ML).
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -32.739, 151.812 · Open in Google Maps
About Grahamstown Lake
The dam at Grahamstown Lake was completed in 1965. It is operated by BOM primarily for water supply. It lies within the Nine Mile Creek & Seven Mile Creek Basin basin at 32.739°S, 151.812°E.
Key facts
- Total capacity
- 192 hm³
- Usable capacity
- 182 hm³
- Primary use
- Water supply
- River
- Nine Mile Creek & Seven Mile Creek
- River basin
- Nine Mile Creek & Seven Mile Creek Basin
- Year completed
- 1965
- Operator
- BOM
- Coordinates
- 32.739°S, 151.812°E
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 17 Dec 2025 | 68.4% | 132 |
| 20 Oct 2025 | 75.2% | 145 |
| 19 Oct 2025 | 75.3% | 145 |
| 18 Oct 2025 | 75.4% | 145 |
| 17 Oct 2025 | 75.4% | 145 |
Frequently asked questions
How much water can Grahamstown Lake hold?
Grahamstown Lake has a total capacity of 192 hm³, of which about 182 hm³ is usable storage.
Where is Grahamstown Lake reservoir located?
Grahamstown Lake is located in New South Wales, Australia, within the Nine Mile Creek & Seven Mile Creek Basin basin (coordinates 32.739°S, 151.812°E).
When was Grahamstown Lake dam built?
The dam at Grahamstown Lake was completed in 1965.
What is Grahamstown Lake used for?
Grahamstown Lake is used primarily for water supply, and is managed by BOM.