Reservoir · Tasmania · Australia · BOM Water Data Online
Bronte Lagoon
66.5% full
Capacity
19.2 hm³
Volume stored
13 hm³
River
Woodwards Creek
Year completed
1953
Coordinates
42.194°S, 146.487°E
Last updated
2026-07-28
Current fill
66.5%vs 7 days ago
+2.6%gaining
vs 1 year ago
+23.5%year-over-year
7-day trend
↑rising
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: 2026-07-28.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -42.194, 146.487 · Open in Google Maps
About Bronte Lagoon
As of July 28, 2026, Bronte Lagoon is filled to 66.5% of its total capacity, holding roughly 13 hm³ of water out of a maximum 19 hm³. At this level the reservoir is within its normal operating range. Of that total, about 16 hm³ is usable (live) storage.
Over the most recent week on record the fill level has risen by 2.6 percentage points, and it is 23.5 points above its level on the same date a year earlier.
Across the readings we hold for Bronte Lagoon — 1095 data points between July 30, 2023 and July 28, 2026 — the level has ranged from a low of 28.7% (July 8, 2025) to a high of 80.2% (September 26, 2025). On average the reservoir is fullest around September and at its lowest around June.
The dam at Bronte Lagoon was completed in 1953. It is operated by BOM primarily for water supply. It lies within the Woodwards Creek Basin basin at 42.194°S, 146.487°E.
Key facts
- Current fill level
- 66.5%
- Water stored
- 13 hm³
- Total capacity
- 19 hm³
- Usable capacity
- 16 hm³
- 7-day change
- ▲ 2.6 pts
- Year-on-year
- ▲ 23.5 pts
- Primary use
- Water supply
- River
- Woodwards Creek
- River basin
- Woodwards Creek Basin
- Year completed
- 1953
- Operator
- BOM
- Coordinates
- 42.194°S, 146.487°E
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 66.5% | 13 |
| 27 Jul 2026 | 63.9% | 12 |
| 26 Jul 2026 | 59.8% | 11 |
| 25 Jul 2026 | 54.0% | 10 |
| 24 Jul 2026 | 51.7% | 10 |
| 23 Jul 2026 | 52.6% | 10 |
| 22 Jul 2026 | 55.0% | 11 |
| 21 Jul 2026 | 58.7% | 11 |
| 20 Jul 2026 | 62.4% | 12 |
| 19 Jul 2026 | 65.1% | 13 |
| 18 Jul 2026 | 65.8% | 13 |
| 17 Jul 2026 | 63.9% | 12 |
Frequently asked questions
What is the current water level of Bronte Lagoon?
As of July 28, 2026, Bronte Lagoon is at 66.5% of its capacity, holding approximately 13 hm³ of water, according to BOM data.
Is Bronte Lagoon reservoir full?
No. As of July 28, 2026, Bronte Lagoon is within its normal operating range at 66.5% of its capacity, so it is not full.
Is the water level at Bronte Lagoon rising or falling?
The level at Bronte Lagoon is rising — it gained 2.6 percentage points over the latest week on record.
How much water can Bronte Lagoon hold?
Bronte Lagoon has a total capacity of 19 hm³, of which about 16 hm³ is usable storage.
Where is Bronte Lagoon reservoir located?
Bronte Lagoon is located in Tasmania, Australia, within the Woodwards Creek Basin basin (coordinates 42.194°S, 146.487°E).
When was Bronte Lagoon dam built?
The dam at Bronte Lagoon was completed in 1953.
What is Bronte Lagoon used for?
Bronte Lagoon is used primarily for water supply, and is managed by BOM.