Reservoir · New South Wales · Australia · BOM Water Data Online
Lake Brewster
17.8% full
Capacity
153.6 hm³
Volume stored
27 hm³
Coordinates
33.481°S, 145.969°E
Last updated
2026-07-26
Current fill
17.8%vs 7 days ago
-0.2%losing
vs 1 year ago
+12.6%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: 2026-07-26.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -33.481, 145.969 · Open in Google Maps
About Lake Brewster
As of July 26, 2026, Lake Brewster is filled to 17.8% of its total capacity, holding roughly 27 hm³ of water out of a maximum 154 hm³. At this level the reservoir is critically low.
Over the most recent week on record the fill level has held broadly steady (-0.2 pts), and it is 12.6 points above its level on the same date a year earlier.
Across the readings we hold for Lake Brewster — 1070 data points between July 30, 2023 and July 26, 2026 — the level has ranged from a low of 0.1% (January 16, 2026) to a high of 76.8% (October 5, 2023). On average the reservoir is fullest around August and at its lowest around March.
It is operated by BOM primarily for water supply.
Key facts
- Current fill level
- 17.8%
- Water stored
- 27 hm³
- Total capacity
- 154 hm³
- 7-day change
- ▼ 0.2 pts
- Year-on-year
- ▲ 12.6 pts
- Primary use
- Water supply
- Operator
- BOM
- Coordinates
- 33.481°S, 145.969°E
- Last updated
- July 26, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 26 Jul 2026 | 17.8% | 27 |
| 25 Jul 2026 | 18.0% | 28 |
| 24 Jul 2026 | 18.3% | 28 |
| 23 Jul 2026 | 18.6% | 29 |
| 22 Jul 2026 | 18.9% | 29 |
| 21 Jul 2026 | 19.2% | 29 |
| 20 Jul 2026 | 19.4% | 30 |
| 19 Jul 2026 | 18.8% | 29 |
| 18 Jul 2026 | 18.0% | 28 |
| 17 Jul 2026 | 17.2% | 26 |
| 16 Jul 2026 | 16.4% | 25 |
| 15 Jul 2026 | 15.6% | 24 |
Frequently asked questions
What is the current water level of Lake Brewster?
As of July 26, 2026, Lake Brewster is at 17.8% of its capacity, holding approximately 27 hm³ of water, according to BOM data.
Is Lake Brewster reservoir full?
No. As of July 26, 2026, Lake Brewster is critically low at 17.8% of its capacity, so it is not full.
Is the water level at Lake Brewster rising or falling?
The level at Lake Brewster has been broadly stable over the latest week on record (-0.2 points).
How much water can Lake Brewster hold?
Lake Brewster has a total capacity of 154 hm³.
Where is Lake Brewster reservoir located?
Lake Brewster is located in New South Wales, Australia (coordinates 33.481°S, 145.969°E).
What is Lake Brewster used for?
Lake Brewster is used primarily for water supply, and is managed by BOM.