Reservoir · Tasmania · Australia · BOM Water Data Online
Risdon Brook
97.8% full
Capacity
3.6 hm³
Volume stored
4 hm³
Year completed
1968
Coordinates
42.801°S, 147.334°E
Last updated
2026-09-06
Current fill
97.8%vs 7 days ago
0.0%stable
vs 1 year ago
+0.6%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: 2026-09-06.
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 September 6, 2026, Risdon Brook is filled to 97.8% 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 September 10, 2023 and September 6, 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
- 97.8%
- Water stored
- 4 hm³
- Total capacity
- 4 hm³
- 7-day change
- No change
- Year-on-year
- ▲ 0.6 pts
- Primary use
- Water supply
- Year completed
- 1968
- Operator
- BOM
- Coordinates
- 42.801°S, 147.334°E
- Last updated
- September 6, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 6 Sep 2026 | 97.8% | 4 |
| 5 Sep 2026 | 97.6% | 4 |
| 4 Sep 2026 | 97.6% | 4 |
| 3 Sep 2026 | 97.6% | 4 |
| 2 Sep 2026 | 97.7% | 4 |
| 1 Sep 2026 | 97.7% | 4 |
| 31 Aug 2026 | 97.7% | 4 |
| 30 Aug 2026 | 97.8% | 4 |
| 29 Aug 2026 | 97.9% | 4 |
| 28 Aug 2026 | 98.0% | 4 |
| 27 Aug 2026 | 98.0% | 4 |
| 26 Aug 2026 | 98.0% | 4 |