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
2026-07-12
Current fill
100.0%vs 7 days ago
0.0%stable
vs 1 year ago
+59.0%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: 2026-07-12.
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 July 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 is 59.0 points above its level on the same date a year earlier.
Across the readings we hold for McCall Say Reservoir — 1045 data points between July 30, 2023 and July 12, 2026 — the level has ranged from a low of 34.2% (June 2, 2025) to a high of 100.0% (July 30, 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
- ▲ 59.0 pts
- 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
- July 12, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 12 Jul 2026 | 100.0% | 1 |
| 11 Jul 2026 | 100.0% | 1 |
| 10 Jul 2026 | 100.0% | 1 |
| 9 Jul 2026 | 100.0% | 1 |
| 8 Jul 2026 | 100.0% | 1 |
| 7 Jul 2026 | 100.0% | 1 |
| 6 Jul 2026 | 100.0% | 1 |
| 5 Jul 2026 | 100.0% | 1 |
| 4 Jul 2026 | 100.0% | 1 |
| 3 Jul 2026 | 100.0% | 1 |
| 17 Jun 2026 | 80.8% | 1 |
| 16 Jun 2026 | 79.8% | 1 |
Frequently asked questions
What is the current water level of McCall Say Reservoir?
As of July 12, 2026, McCall Say Reservoir is at 100.0% of its capacity, holding approximately 1 hm³ of water, according to BOM data.
Is McCall Say Reservoir reservoir full?
McCall Say Reservoir is essentially full, sitting at 100.0% of capacity as of July 12, 2026.
Is the water level at McCall Say Reservoir rising or falling?
The level at McCall Say Reservoir has been broadly stable over the latest week on record (0.0 points).
How much water can McCall Say Reservoir hold?
McCall Say Reservoir has a total capacity of 1 hm³.
Where is McCall Say Reservoir reservoir located?
McCall Say Reservoir is located in Victoria, Australia, within the Ryans Creek Basin basin (coordinates 36.793°S, 146.212°E).
When was McCall Say Reservoir dam built?
The dam at McCall Say Reservoir was completed in 1975.
What is McCall Say Reservoir used for?
McCall Say Reservoir is used primarily for water supply, and is managed by BOM.