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

Cordeaux

74.4% full

Capacity

93.9 hm³

Volume stored

70 hm³

River

Cordeaux River

Year completed

1926

Coordinates

34.387°S, 150.807°E

Last updated

2026-10-26

Current fill

74.4%
Normal

vs 7 days ago

-0.7 pp

losing

vs 1 year ago

-24.3 pp

year-over-year

7-day trend

→

stable

Drought context

Storage vs October average

85%of normal

74.4% full on 2026-10-26, against an average of 87.2% for October across 4 years of readings (-12.8 points).

Rain over the last three months · 11 October 2026

Near normal

In the three months to 11 October 2026 the area around Cordeaux 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 −0.41). 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. 34.387°S, 150.807°E · Open in Google Maps

About Cordeaux

As of October 26, 2026, Cordeaux is filled to 74.4% of its total capacity, holding 69.84 hm³ of water out of a maximum 93.9 hm³. At this level the reservoir is within its normal operating range.

Over the most recent week on record the fill level has held broadly steady (-0.7 pp), and it is 24.3 points below its level on the same date a year earlier.

Across the readings we hold for Cordeaux — 1094 data points between October 28, 2023 and October 26, 2026 — the level has ranged from a low of 61.9% (January 12, 2024) to a high of 102.2% (August 21, 2025). On average the reservoir is fullest around June and at its lowest around January.

The dam at Cordeaux was completed in 1926. It is operated by BOM primarily for water supply. It lies within the Cordeaux River Basin basin at 34.387°S, 150.807°E.

Key facts

Current fill level
74.4% of total capacity
Water stored
69.84 hm³
Total capacity
93.9 hm³
7-day change
▼ 0.7 pp
Year-on-year
▼ 24.3 pp
Primary use
Water supply
River
Cordeaux River
River basin
Cordeaux River Basin
Year completed
1926
Operator
BOM
Coordinates
34.387°S, 150.807°E
Last updated
October 26, 2026

Recent readings

DateFill levelVolume (hm³)
26 Oct 202674.4%69.84
25 Oct 202674.5%69.92
24 Oct 202674.6%70.05
23 Oct 202674.7%70.13
22 Oct 202674.7%70.13
21 Oct 202674.8%70.25
20 Oct 202674.9%70.38
19 Oct 202675.1%70.52
18 Oct 202675.2%70.66
17 Oct 202675.4%70.78
16 Oct 202675.5%70.9
15 Oct 202675.6%71

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