Reservoir · Tasmania · Australia · BOM Water Data Online
Risdon Brook
98.0% full
Capacity
3.6 hm³
Volume stored
4 hm³
Year completed
1968
Coordinates
42.801°S, 147.334°E
Last updated
2026-07-26
Current fill
98.0%vs 7 days ago
0.0%stable
vs 1 year ago
-0.3%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. -42.801, 147.334 · Open in Google Maps
About Risdon Brook
As of July 26, 2026, Risdon Brook is filled to 98.0% of its total capacity, holding roughly 4 hm³ of water out of a maximum 4 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it sits close to where it was a year earlier.
Across the readings we hold for Risdon Brook — 1093 data points between July 30, 2023 and July 26, 2026 — the level has ranged from a low of 92.8% (May 6, 2026) to a high of 98.9% (September 2, 2024). On average the reservoir is fullest around August and at its lowest around April.
The dam at Risdon Brook was completed in 1968. It is operated by BOM primarily for water supply.
Key facts
- Current fill level
- 98.0%
- Water stored
- 4 hm³
- Total capacity
- 4 hm³
- 7-day change
- No change
- Year-on-year
- ▼ 0.3 pts
- Primary use
- Water supply
- Year completed
- 1968
- Operator
- BOM
- Coordinates
- 42.801°S, 147.334°E
- Last updated
- July 26, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 26 Jul 2026 | 98.0% | 4 |
| 25 Jul 2026 | 98.0% | 4 |
| 24 Jul 2026 | 97.9% | 4 |
| 23 Jul 2026 | 97.8% | 4 |
| 22 Jul 2026 | 97.9% | 4 |
| 21 Jul 2026 | 97.9% | 4 |
| 20 Jul 2026 | 97.9% | 4 |
| 19 Jul 2026 | 98.0% | 4 |
| 18 Jul 2026 | 98.0% | 4 |
| 17 Jul 2026 | 98.0% | 4 |
| 16 Jul 2026 | 98.0% | 4 |
| 15 Jul 2026 | 98.0% | 4 |
Frequently asked questions
What is the current water level of Risdon Brook?
As of July 26, 2026, Risdon Brook is at 98.0% of its capacity, holding approximately 4 hm³ of water, according to BOM data.
Is Risdon Brook reservoir full?
Risdon Brook is essentially full, sitting at 98.0% of capacity as of July 26, 2026.
Is the water level at Risdon Brook rising or falling?
The level at Risdon Brook has been broadly stable over the latest week on record (0.0 points).
How much water can Risdon Brook hold?
Risdon Brook has a total capacity of 4 hm³.
Where is Risdon Brook reservoir located?
Risdon Brook is located in Tasmania, Australia (coordinates 42.801°S, 147.334°E).
When was Risdon Brook dam built?
The dam at Risdon Brook was completed in 1968.
What is Risdon Brook used for?
Risdon Brook is used primarily for water supply, and is managed by BOM.