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Reservoir · New South Wales · Australia · BOM Water Data Online

Lake Eucumbene

41.7% full

Capacity

4,799 hm³

Volume stored

1999 hm³

River

Eucumbene River

Year completed

1958

Coordinates

36.158°S, 148.767°E

Last updated

2026-10-26

Current fill

41.7%
Normal

vs 7 days ago

-0.2 pp

losing

vs 1 year ago

-1.7 pp

year-over-year

7-day trend

→

stable

Drought context

Storage vs October average

90%of normal

41.7% full on 2026-10-26, against an average of 46.3% for October across 4 years of readings (-4.6 points).

Rain over the last three months · 11 October 2026

Near normal

In the three months to 11 October 2026 the area around Lake Eucumbene had rain close to normal for the season. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −0.94). Rain, not storage. Australia drought figures →

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: 2026-10-26.

Catchment Weather

Past 30 days + 14-day forecast · Open-Meteo

Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 36.158°S, 148.767°E · Open in Google Maps

About Lake Eucumbene

As of October 26, 2026, Lake Eucumbene is filled to 41.7% of its total capacity, holding 1,999 hm³ of water out of a maximum 4,799 hm³. At this level the reservoir is within its normal operating range. Of that total, 4,367 hm³ is usable (live) storage.

Over the most recent week on record the fill level has held broadly steady (-0.2 pp), and it is 1.7 points below its level on the same date a year earlier.

Across the readings we hold for Lake Eucumbene — 1095 data points between October 28, 2023 and October 26, 2026 — the level has ranged from a low of 32.8% (July 5, 2025) to a high of 64.4% (October 28, 2023). On average the reservoir is fullest around November 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
41.7% of total capacity
Water stored
1,999 hm³
Total capacity
4,799 hm³
Usable capacity
4,367 hm³
7-day change
▼ 0.2 pp
Year-on-year
▼ 1.7 pp
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
October 26, 2026

Recent readings

DateFill levelVolume (hm³)
26 Oct 202641.7%1,999
25 Oct 202641.6%1,998
24 Oct 202641.7%2,001
23 Oct 202641.8%2,004
22 Oct 202641.8%2,006
21 Oct 202641.8%2,007
20 Oct 202641.8%2,008
19 Oct 202641.9%2,009
18 Oct 202641.9%2,010
17 Oct 202641.9%2,011
16 Oct 202641.9%2,012
15 Oct 202642.0%2,013

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