Reservoir · Northern Territory · Australia · BOM Water Data Online
Darwin River
86.2% full
Capacity
302.9 hm³
Volume stored
261 hm³
River
Darwin River
Year completed
1972
Coordinates
12.861°S, 131.005°E
Last updated
2026-09-09
Current fill
86.2%vs 7 days ago
-0.7%losing
vs 1 year ago
+1.4%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: 2026-09-09.
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 September 9, 2026, Darwin River is filled to 86.2% of its total capacity, holding roughly 261 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 (-0.7 pts), and it is 1.4 points above its level on the same date a year earlier.
Across the readings we hold for Darwin River — 1095 data points between September 11, 2023 and September 9, 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
- 86.2%
- Water stored
- 261 hm³
- Total capacity
- 303 hm³
- Usable capacity
- 289 hm³
- 7-day change
- ▼ 0.7 pts
- Year-on-year
- ▲ 1.4 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
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 86.2% | 261 |
| 8 Sep 2026 | 86.3% | 261 |
| 7 Sep 2026 | 86.4% | 262 |
| 6 Sep 2026 | 86.5% | 262 |
| 5 Sep 2026 | 86.6% | 262 |
| 4 Sep 2026 | 86.7% | 263 |
| 3 Sep 2026 | 86.8% | 263 |
| 2 Sep 2026 | 86.9% | 263 |
| 1 Sep 2026 | 87.1% | 264 |
| 31 Aug 2026 | 87.2% | 264 |
| 30 Aug 2026 | 87.3% | 264 |
| 29 Aug 2026 | 87.4% | 265 |