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
2026-10-11
Current fill
100.0%vs 7 days ago
Stale7-day trend
StaleDrought context
Storage vs October average
100%of normal
100.0% full on 2026-10-11, against an average of 100.0% 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 McCall Say Reservoir 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 −0.21). 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: 2026-10-11.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 36.793°S, 146.212°E · Open in Google Maps
About McCall Say Reservoir
As of October 11, 2026, McCall Say Reservoir has a published fill of 100.0%, holding 1.14 hm³. Total capacity is 1.1 hm³. The reading is past the freshness window, so it is shown as stale.
The 7-day change is not shown, because the latest reading is past the freshness window.
Across the readings we hold for McCall Say Reservoir — 1046 data points between October 28, 2023 and October 11, 2026 — the level has ranged from a low of 34.2% (June 2, 2025) to a high of 100.0% (October 28, 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
- 1.14 hm³
- Total capacity
- 1.1 hm³
- 7-day change
- Stale
- 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
- October 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Oct 2026 | 100.0% | 1.14 |
| 10 Oct 2026 | 100.0% | 1.14 |
| 9 Oct 2026 | 100.0% | 1.14 |
| 8 Oct 2026 | 100.0% | 1.14 |
| 7 Oct 2026 | 100.0% | 1.14 |
| 6 Oct 2026 | 100.0% | 1.14 |
| 5 Oct 2026 | 100.0% | 1.14 |
| 4 Oct 2026 | 100.0% | 1.14 |
| 3 Oct 2026 | 100.0% | 1.14 |
| 2 Oct 2026 | 100.0% | 1.14 |
| 1 Oct 2026 | 100.0% | 1.14 |
| 30 Sep 2026 | 100.0% | 1.14 |