Reservoir · Northern Territory · Australia · BOM Water Data Online
Darwin River
81.4% full
Capacity
302.9 hm³
Volume stored
247 hm³
River
Darwin River
Year completed
1972
Coordinates
12.861°S, 131.005°E
Last updated
2026-10-26
Current fill
81.4%vs 7 days ago
-0.6 pplosing
vs 1 year ago
+0.6 ppyear-over-year
7-day trend
→stable
Drought context
Storage vs October average
100%of normal
81.4% full on 2026-10-26, against an average of 81.4% for October across 4 years of readings (0.0 points).
Rain over the last three months · 11 October 2026
Near normal
In the three months to 11 October 2026 the area around Darwin River had rain close to normal for the season. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −0.35). 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. 12.861°S, 131.005°E · Open in Google Maps
About Darwin River
As of October 26, 2026, Darwin River is filled to 81.4% of its total capacity, holding 246.65 hm³ of water out of a maximum 302.9 hm³. At this level the reservoir is high. Of that total, 289.3 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (-0.6 pp), and it sits close to where it was a year earlier.
Across the readings we hold for Darwin River — 1095 data points between October 28, 2023 and October 26, 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
- 81.4% of total capacity
- Water stored
- 246.65 hm³
- Total capacity
- 302.9 hm³
- Usable capacity
- 289.3 hm³
- 7-day change
- ▼ 0.6 pp
- Year-on-year
- ▲ 0.6 pp
- 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
- October 26, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 26 Oct 2026 | 81.4% | 246.65 |
| 25 Oct 2026 | 81.5% | 246.74 |
| 24 Oct 2026 | 81.5% | 246.83 |
| 23 Oct 2026 | 81.6% | 247.09 |
| 22 Oct 2026 | 81.6% | 247.31 |
| 21 Oct 2026 | 81.7% | 247.63 |
| 20 Oct 2026 | 81.9% | 247.97 |
| 19 Oct 2026 | 82.0% | 248.27 |
| 18 Oct 2026 | 81.9% | 248.07 |
| 17 Oct 2026 | 82.0% | 248.31 |
| 16 Oct 2026 | 82.1% | 248.7 |
| 15 Oct 2026 | 82.2% | 248.99 |