Reservoir · Northern Territory · Australia · BOM Water Data Online
Darwin River
90.6% full
Capacity
302.9 hm³
Volume stored
275 hm³
River
Darwin River
Year completed
1972
Coordinates
12.861°S, 131.005°E
Last updated
2026-07-28
Current fill
90.6%vs 7 days ago
-0.2%losing
vs 1 year ago
-5.2%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. -12.861, 131.005 · Open in Google Maps
About Darwin River
As of July 28, 2026, Darwin River is filled to 90.6% of its total capacity, holding roughly 275 hm³ of water out of a maximum 303 hm³. At this level the reservoir is high. Of that total, about 289 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (-0.2 pts), and it is 5.2 points below its level on the same date a year earlier.
Across the readings we hold for Darwin River — 1095 data points between July 30, 2023 and July 28, 2026 — the level has ranged from a low of 76.1% (January 3, 2024) to a high of 109.0% (March 10, 2026). On average the reservoir is fullest around April and at its lowest around November.
The dam at Darwin River was completed in 1972. It is operated by BOM primarily for water supply. It lies within the Darwin River Basin basin at 12.861°S, 131.005°E.
Key facts
- Current fill level
- 90.6%
- Water stored
- 275 hm³
- Total capacity
- 303 hm³
- Usable capacity
- 289 hm³
- 7-day change
- ▼ 0.2 pts
- Year-on-year
- ▼ 5.2 pts
- Primary use
- Water supply
- River
- Darwin River
- River basin
- Darwin River Basin
- Year completed
- 1972
- Operator
- BOM
- Coordinates
- 12.861°S, 131.005°E
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 90.6% | 275 |
| 27 Jul 2026 | 90.8% | 275 |
| 26 Jul 2026 | 90.9% | 275 |
| 25 Jul 2026 | 91.0% | 276 |
| 24 Jul 2026 | 91.2% | 276 |
| 23 Jul 2026 | 91.3% | 276 |
| 22 Jul 2026 | 91.4% | 277 |
| 21 Jul 2026 | 91.5% | 277 |
| 20 Jul 2026 | 91.6% | 277 |
| 19 Jul 2026 | 91.7% | 278 |
| 18 Jul 2026 | 91.9% | 278 |
| 17 Jul 2026 | 92.0% | 279 |
Frequently asked questions
What is the current water level of Darwin River?
As of July 28, 2026, Darwin River is at 90.6% of its capacity, holding approximately 275 hm³ of water, according to BOM data.
Is Darwin River reservoir full?
No. As of July 28, 2026, Darwin River is high at 90.6% of its capacity, so it is not full.
Is the water level at Darwin River rising or falling?
The level at Darwin River has been broadly stable over the latest week on record (-0.2 points).
How much water can Darwin River hold?
Darwin River has a total capacity of 303 hm³, of which about 289 hm³ is usable storage.
Where is Darwin River reservoir located?
Darwin River is located in Northern Territory, Australia, within the Darwin River Basin basin (coordinates 12.861°S, 131.005°E).
When was Darwin River dam built?
The dam at Darwin River was completed in 1972.
What is Darwin River used for?
Darwin River is used primarily for water supply, and is managed by BOM.