Reservoir · Australian Capital Territory · Australia · BOM Water Data Online
Corin
77.3% full
Capacity
70.9 hm³
Volume stored
55 hm³
River
Cotter River
Year completed
1968
Coordinates
35.555°S, 148.831°E
Last updated
2026-09-08
Current fill
77.3%vs 7 days ago
+2.0%gaining
vs 1 year ago
-7.8%year-over-year
7-day trend
↑rising
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: 2026-09-08.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -35.555, 148.831 · Open in Google Maps
About Corin
As of September 8, 2026, Corin is filled to 77.3% of its total capacity, holding roughly 55 hm³ of water out of a maximum 71 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has risen by 2.0 percentage points, and it is 7.8 points below its level on the same date a year earlier.
Across the readings we hold for Corin — 1095 data points between September 10, 2023 and September 8, 2026 — the level has ranged from a low of 57.2% (June 2, 2026) to a high of 100.0% (January 2, 2024). On average the reservoir is fullest around October and at its lowest around June.
The dam at Corin was completed in 1968. It is operated by BOM primarily for water supply. It lies within the Cotter River Basin basin at 35.555°S, 148.831°E.
Key facts
- Current fill level
- 77.3%
- Water stored
- 55 hm³
- Total capacity
- 71 hm³
- 7-day change
- ▲ 2.0 pts
- Year-on-year
- ▼ 7.8 pts
- Primary use
- Water supply
- River
- Cotter River
- River basin
- Cotter River Basin
- Year completed
- 1968
- Operator
- BOM
- Coordinates
- 35.555°S, 148.831°E
- Last updated
- September 8, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 8 Sep 2026 | 77.3% | 55 |
| 7 Sep 2026 | 77.1% | 55 |
| 6 Sep 2026 | 76.8% | 54 |
| 5 Sep 2026 | 76.3% | 54 |
| 4 Sep 2026 | 76.0% | 54 |
| 3 Sep 2026 | 75.8% | 54 |
| 2 Sep 2026 | 75.5% | 54 |
| 1 Sep 2026 | 75.3% | 53 |
| 31 Aug 2026 | 75.0% | 53 |
| 30 Aug 2026 | 74.7% | 53 |
| 29 Aug 2026 | 74.4% | 53 |
| 28 Aug 2026 | 74.1% | 53 |

