State / Territory · Australia · BOM
Tasmania
37% average fill
Reservoirs
40
Volume stored
9,523 hm³
Total capacity
25,713 hm³
Critical
9
Low level
12
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Reservoirs
Sorted by capacityLake Gordon
Updated 2026-07-27
Great Lake
lowUpdated 2026-07-28
Lake Pedder
criticalUpdated 2026-07-27
Lake St Clair
criticalUpdated 2026-07-28
Lake Burbury
lowUpdated 2026-07-28
Lake Mackintosh
criticalUpdated 2026-07-27
Lake Echo
lowUpdated 2026-07-28
Lake King William
Updated 2026-07-28
Arthurs Lake
Updated 2026-07-28
Lake Pieman
lowUpdated 2026-07-27
Lake Barrington
criticalUpdated 2026-07-28
Lake Rowallan
Updated 2026-07-28
Lake Rosebery
Updated 2026-07-27
Lake Cethana
criticalUpdated 2026-07-28
Tungatinah Lagoon
criticalUpdated 2026-07-28
Lake Murchison
Updated 2026-07-27
Woods Lake
Updated 2026-07-28
Lake Meadowbank
Updated 2026-07-28
Dee Lagoon
criticalUpdated 2026-07-28
Lake Plimsoll
Updated 2026-07-28
Lake Catagunya
criticalUpdated 2026-07-28
Laughing Jack Lagoon
lowUpdated 2026-07-28
Lake Augusta
criticalUpdated 2026-07-28
Lake Mackenzie
Updated 2026-07-28
Bronte Lagoon
Updated 2026-07-28
Lake Paloona
lowUpdated 2026-07-28
Lake Margaret
Updated 2026-07-28
Lake Repulse
lowUpdated 2026-07-28
Lake Parangana
lowUpdated 2026-07-28
Lake Trevallyn
Updated 2026-07-28
Wayatinah Lagoon
Updated 2026-07-28
Lake Gairdner
Updated 2026-07-28
Pine Tier Lagoon
lowUpdated 2026-07-28
Lake Newton
lowUpdated 2026-07-28
Cluny Lagoon
Updated 2026-07-28
Risdon Brook
Updated 2026-07-26
Little Pine Lagoon
Updated 2026-07-28
Lake Liapootah
lowUpdated 2026-07-28
White Spur Lake
lowUpdated 2026-07-28
Shannon Lagoon
Updated 2026-07-28
Data source: Bureau of Meteorology Water Data Online (KiWIS API). Publicly-owned storages reported under Australia's Water Regulations 2008.
About reservoirs in Tasmania
As of July 28, 2026, the reservoirs we track across Tasmania that report live levels hold roughly 9,523 hm³ of water — about 37.0% of their combined capacity. Taken together, Tasmania's reservoirs are low.
Across the region, 9 reservoirs are at critically low levels and 12 are low. Risdon Brook is the fullest at 98.0%, while Dee Lagoon is the lowest at 1.4%.
Over the most recent week on record, 12 reservoirs rose and 5 reservoirs fell across Tasmania.
Storage figures for Tasmania come from BOM; the most recent reading is from July 28, 2026. Each reservoir below links to its own page with full history and seasonal context.
Tasmania at a glance
- Reservoirs tracked
- 40
- Average fill
- 37.0%
- Water stored
- 9,523 hm³
- Combined capacity
- 25,713 hm³
- At critically low levels
- 9
- Fullest
- Risdon Brook (98.0%)
- Lowest
- Dee Lagoon (1.4%)
- Last updated
- July 28, 2026
Frequently asked questions
How full are reservoirs in Tasmania right now?
As of July 28, 2026, the reservoirs tracked in Tasmania that report live levels are 37.0% full overall, holding about 9,523 hm³ of water.
How many reservoirs are there in Tasmania?
reservoirs.earth tracks 40 reservoirs in Tasmania, with a combined storage capacity of 25,713 hm³.
Which reservoir in Tasmania is the fullest?
Risdon Brook is currently the fullest reservoir in Tasmania, at 98.0% of capacity.
Which reservoir in Tasmania is the lowest?
Dee Lagoon is currently the lowest in Tasmania, at 1.4% of capacity.
Where does the reservoir data for Tasmania come from?
All storage figures for Tasmania come from BOM, an official source, last updated July 28, 2026.