Reservoir · Australian Capital Territory · Australia · BOM Water Data Online
Corin
76.3% full
Capacity
70.9 hm³
Volume stored
54 hm³
River
Cotter River
Year completed
1968
Coordinates
35.555°S, 148.831°E
Last updated
2026-10-26
Current fill
76.3%vs 7 days ago
-1.0 pplosing
vs 1 year ago
-15.6 ppyear-over-year
7-day trend
↓falling
Drought context
Storage vs October average
88%of normal
76.3% full on 2026-10-26, against an average of 86.8% for October across 4 years of readings (-10.5 points).
Rain over the last three months · 11 October 2026
Near normal
In the three months to 11 October 2026 the area around Corin 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 −0.72). 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. 35.555°S, 148.831°E · Open in Google Maps
About Corin
As of October 26, 2026, Corin is filled to 76.3% of its total capacity, holding 54.08 hm³ of water out of a maximum 70.9 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has fallen by 1.0 percentage points, and it is 15.6 points below its level on the same date a year earlier.
Across the readings we hold for Corin — 1095 data points between October 28, 2023 and October 26, 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 November 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
- 76.3% of total capacity
- Water stored
- 54.08 hm³
- Total capacity
- 70.9 hm³
- 7-day change
- ▼ 1.0 pp
- Year-on-year
- ▼ 15.6 pp
- 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
- October 26, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 26 Oct 2026 | 76.3% | 54.08 |
| 25 Oct 2026 | 76.4% | 54.13 |
| 24 Oct 2026 | 76.6% | 54.29 |
| 23 Oct 2026 | 76.8% | 54.46 |
| 22 Oct 2026 | 77.0% | 54.61 |
| 21 Oct 2026 | 77.1% | 54.7 |
| 20 Oct 2026 | 77.2% | 54.76 |
| 19 Oct 2026 | 77.3% | 54.84 |
| 18 Oct 2026 | 77.5% | 54.91 |
| 17 Oct 2026 | 77.6% | 54.99 |
| 16 Oct 2026 | 77.6% | 55.05 |
| 15 Oct 2026 | 77.7% | 55.07 |