Reservoir · Victoria · Australia · BOM Water Data Online
McCall Say Reservoir
100.0% full
Capacity
1.1 hm³
Volume stored
1 hm³
River
Ryans Creek
Year completed
1975
Coordinates
36.793°S, 146.212°E
Last updated
2026-08-12
Current fill
100.0%vs 7 days ago
0.0%stable
vs 1 year ago
0.0%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: 2026-08-12.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -36.793, 146.212 · Open in Google Maps
About McCall Say Reservoir
As of August 12, 2026, McCall Say Reservoir is filled to 100.0% of its total capacity, holding roughly 1 hm³ of water out of a maximum 1 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it sits close to where it was a year earlier.
Across the readings we hold for McCall Say Reservoir — 1033 data points between September 11, 2023 and August 12, 2026 — the level has ranged from a low of 34.2% (June 2, 2025) to a high of 100.0% (September 11, 2023). On average the reservoir is fullest around August and at its lowest around May.
The dam at McCall Say Reservoir was completed in 1975. It is operated by BOM primarily for water supply. It lies within the Ryans Creek Basin basin at 36.793°S, 146.212°E.
Key facts
- Current fill level
- 100.0%
- Water stored
- 1 hm³
- Total capacity
- 1 hm³
- 7-day change
- No change
- Year-on-year
- No change
- Primary use
- Water supply
- River
- Ryans Creek
- River basin
- Ryans Creek Basin
- Year completed
- 1975
- Operator
- BOM
- Coordinates
- 36.793°S, 146.212°E
- Last updated
- August 12, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 12 Aug 2026 | 100.0% | 1 |
| 11 Aug 2026 | 100.0% | 1 |
| 10 Aug 2026 | 100.0% | 1 |
| 9 Aug 2026 | 100.0% | 1 |
| 8 Aug 2026 | 100.0% | 1 |
| 7 Aug 2026 | 100.0% | 1 |
| 6 Aug 2026 | 100.0% | 1 |
| 5 Aug 2026 | 100.0% | 1 |
| 4 Aug 2026 | 100.0% | 1 |
| 3 Aug 2026 | 100.0% | 1 |
| 2 Aug 2026 | 100.0% | 1 |
| 1 Aug 2026 | 100.0% | 1 |