Reservoir · Tasmania · Australia · BOM Water Data Online
Laughing Jack Lagoon
26.8% full
Capacity
24.8 hm³
Volume stored
7 hm³
River
Powers Rivulet
Year completed
1957
Coordinates
42.171°S, 146.309°E
Last updated
2026-07-28
Current fill
26.8%vs 7 days ago
+0.9%gaining
vs 1 year ago
+20.3%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: 2026-07-28.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -42.171, 146.309 · Open in Google Maps
About Laughing Jack Lagoon
As of July 28, 2026, Laughing Jack Lagoon is filled to 26.8% of its total capacity, holding roughly 7 hm³ of water out of a maximum 25 hm³. At this level the reservoir is low.
Over the most recent week on record the fill level has held broadly steady (+0.9 pts), and it is 20.3 points above its level on the same date a year earlier.
Across the readings we hold for Laughing Jack Lagoon — 1095 data points between July 30, 2023 and July 28, 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
- 26.8%
- Water stored
- 7 hm³
- Total capacity
- 25 hm³
- 7-day change
- ▲ 0.9 pts
- Year-on-year
- ▲ 20.3 pts
- 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
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 26.8% | 7 |
| 27 Jul 2026 | 25.9% | 6 |
| 26 Jul 2026 | 24.7% | 6 |
| 25 Jul 2026 | 22.8% | 6 |
| 24 Jul 2026 | 20.7% | 5 |
| 23 Jul 2026 | 20.1% | 5 |
| 22 Jul 2026 | 19.5% | 5 |
| 21 Jul 2026 | 19.1% | 5 |
| 20 Jul 2026 | 18.9% | 5 |
| 19 Jul 2026 | 18.7% | 5 |
| 18 Jul 2026 | 18.4% | 5 |
| 17 Jul 2026 | 18.0% | 4 |
Frequently asked questions
What is the current water level of Laughing Jack Lagoon?
As of July 28, 2026, Laughing Jack Lagoon is at 26.8% of its capacity, holding approximately 7 hm³ of water, according to BOM data.
Is Laughing Jack Lagoon reservoir full?
No. As of July 28, 2026, Laughing Jack Lagoon is low at 26.8% of its capacity, so it is not full.
Is the water level at Laughing Jack Lagoon rising or falling?
The level at Laughing Jack Lagoon has been broadly stable over the latest week on record (+0.9 points).
How much water can Laughing Jack Lagoon hold?
Laughing Jack Lagoon has a total capacity of 25 hm³.
Where is Laughing Jack Lagoon reservoir located?
Laughing Jack Lagoon is located in Tasmania, Australia, within the Powers Rivulet Basin basin (coordinates 42.171°S, 146.309°E).
When was Laughing Jack Lagoon dam built?
The dam at Laughing Jack Lagoon was completed in 1957.
What is Laughing Jack Lagoon used for?
Laughing Jack Lagoon is used primarily for water supply, and is managed by BOM.