Reservoir · Tasmania · Australia · BOM Water Data Online
Laughing Jack Lagoon
48.1% full
Capacity
24.8 hm³
Volume stored
12 hm³
River
Powers Rivulet
Year completed
1957
Coordinates
42.171°S, 146.309°E
Last updated
2026-10-26
Current fill
48.1%vs 7 days ago
+0.5 ppgaining
vs 1 year ago
-27.7 ppyear-over-year
7-day trend
→stable
Drought context
Storage vs October average
75%of normal
48.1% full on 2026-10-26, against an average of 64.5% for October across 4 years of readings (-16.4 points).
Rain over the last three months · 11 October 2026
Severely dry
In the three months to 11 October 2026 the area around Laughing Jack Lagoon had far less rain than normal, a shortfall seen about one year in fifteen. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −1.65). 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. 42.171°S, 146.309°E · Open in Google Maps
About Laughing Jack Lagoon
As of October 26, 2026, Laughing Jack Lagoon is filled to 48.1% of its total capacity, holding 11.93 hm³ of water out of a maximum 24.8 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 (+0.5 pp), and it is 27.7 points below its level on the same date a year earlier.
Across the readings we hold for Laughing Jack Lagoon — 1095 data points between October 28, 2023 and October 26, 2026 — the level has ranged from a low of 4.9% (May 8, 2024) to a high of 91.2% (January 1, 2026). On average the reservoir is fullest around December and at its lowest around May.
The dam at Laughing Jack Lagoon was completed in 1957. It is operated by BOM primarily for water supply. It lies within the Powers Rivulet Basin basin at 42.171°S, 146.309°E.
Key facts
- Current fill level
- 48.1% of total capacity
- Water stored
- 11.93 hm³
- Total capacity
- 24.8 hm³
- 7-day change
- ▲ 0.5 pp
- Year-on-year
- ▼ 27.7 pp
- Primary use
- Water supply
- River
- Powers Rivulet
- River basin
- Powers Rivulet Basin
- Year completed
- 1957
- Operator
- BOM
- Coordinates
- 42.171°S, 146.309°E
- Last updated
- October 26, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 26 Oct 2026 | 48.1% | 11.93 |
| 25 Oct 2026 | 48.0% | 11.89 |
| 24 Oct 2026 | 47.8% | 11.85 |
| 23 Oct 2026 | 47.8% | 11.85 |
| 22 Oct 2026 | 47.8% | 11.84 |
| 21 Oct 2026 | 47.8% | 11.83 |
| 20 Oct 2026 | 47.7% | 11.81 |
| 19 Oct 2026 | 47.6% | 11.8 |
| 18 Oct 2026 | 47.5% | 11.77 |
| 17 Oct 2026 | 47.4% | 11.74 |
| 16 Oct 2026 | 47.1% | 11.68 |
| 15 Oct 2026 | 46.8% | 11.6 |