Reservoir · New South Wales · Australia · BOM Water Data Online
Lake Eucumbene
40.1% full
Capacity
4,799 hm³
Volume stored
1922 hm³
River
Eucumbene River
Year completed
1958
Coordinates
36.158°S, 148.767°E
Last updated
2026-09-09
Current fill
40.1%vs 7 days ago
+1.5%gaining
vs 1 year ago
+2.9%year-over-year
7-day trend
→stable
Data 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). Last reading: 2026-09-09.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -36.158, 148.767 · Open in Google Maps
About Lake Eucumbene
As of September 9, 2026, Lake Eucumbene is filled to 40.1% of its total capacity, holding roughly 1,922 hm³ of water out of a maximum 4,799 hm³. At this level the reservoir is within its normal operating range. Of that total, about 4,367 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+1.5 pts), and it is 2.9 points above its level on the same date a year earlier.
Across the readings we hold for Lake Eucumbene — 1095 data points between September 11, 2023 and September 9, 2026 — the level has ranged from a low of 32.8% (July 5, 2025) to a high of 64.4% (October 20, 2023). On average the reservoir is fullest around October and at its lowest around July.
The dam at Lake Eucumbene was completed in 1958. It is operated by BOM primarily for water supply. It lies within the Eucumbene River Basin basin at 36.158°S, 148.767°E.
Key facts
- Current fill level
- 40.1%
- Water stored
- 1,922 hm³
- Total capacity
- 4,799 hm³
- Usable capacity
- 4,367 hm³
- 7-day change
- ▲ 1.5 pts
- Year-on-year
- ▲ 2.9 pts
- Primary use
- Water supply
- River
- Eucumbene River
- River basin
- Eucumbene River Basin
- Year completed
- 1958
- Operator
- BOM
- Coordinates
- 36.158°S, 148.767°E
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 40.1% | 1,922 |
| 8 Sep 2026 | 39.9% | 1,914 |
| 7 Sep 2026 | 39.7% | 1,905 |
| 6 Sep 2026 | 39.4% | 1,892 |
| 5 Sep 2026 | 39.1% | 1,874 |
| 4 Sep 2026 | 38.9% | 1,866 |
| 3 Sep 2026 | 38.7% | 1,858 |
| 2 Sep 2026 | 38.6% | 1,851 |
| 1 Sep 2026 | 38.5% | 1,846 |
| 31 Aug 2026 | 38.4% | 1,843 |
| 30 Aug 2026 | 38.3% | 1,840 |
| 29 Aug 2026 | 38.3% | 1,836 |