Reservoir · South Australia · Australia · BOM Water Data Online
Myponga
94.4% full
Capacity
27.6 hm³
Volume stored
26 hm³
River
Myponga River
Year completed
1962
Coordinates
35.391°S, 138.452°E
Last updated
2026-10-24
Current fill
94.4%vs 7 days ago
-0.4 pplosing
vs 1 year ago
+32.2 ppyear-over-year
7-day trend
→stable
Drought context
Storage vs October average
127%of normal
94.4% full on 2026-10-24, against an average of 74.5% for October across 4 years of readings (+19.9 points).
Rain over the last three months · 11 October 2026
Near normal
In the three months to 11 October 2026 the area around Myponga 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 −0.18). 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: 2026-10-24.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 35.391°S, 138.452°E · Open in Google Maps
About Myponga
As of October 24, 2026, Myponga is filled to 94.4% of its total capacity, holding 26.01 hm³ of water out of a maximum 27.6 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.4 pp), and it is 32.2 points above its level on the same date a year earlier.
Across the readings we hold for Myponga — 1092 data points between October 29, 2023 and October 24, 2026 — the level has ranged from a low of 47.0% (May 23, 2026) to a high of 94.9% (October 9, 2026). On average the reservoir is fullest around September and at its lowest around May.
The dam at Myponga was completed in 1962. It is operated by BOM primarily for water supply. It lies within the Myponga River Basin basin at 35.391°S, 138.452°E.
Key facts
- Current fill level
- 94.4% of total capacity
- Water stored
- 26.01 hm³
- Total capacity
- 27.6 hm³
- 7-day change
- ▼ 0.4 pp
- Year-on-year
- ▲ 32.2 pp
- Primary use
- Water supply
- River
- Myponga River
- River basin
- Myponga River Basin
- Year completed
- 1962
- Operator
- BOM
- Coordinates
- 35.391°S, 138.452°E
- Last updated
- October 24, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 24 Oct 2026 | 94.4% | 26.01 |
| 23 Oct 2026 | 94.4% | 26.01 |
| 22 Oct 2026 | 94.4% | 26.01 |
| 21 Oct 2026 | 94.4% | 26.01 |
| 20 Oct 2026 | 94.5% | 26.04 |
| 19 Oct 2026 | 94.6% | 26.09 |
| 18 Oct 2026 | 94.7% | 26.12 |
| 17 Oct 2026 | 94.8% | 26.13 |
| 16 Oct 2026 | 94.8% | 26.14 |
| 15 Oct 2026 | 94.9% | 26.15 |
| 14 Oct 2026 | 94.9% | 26.16 |
| 13 Oct 2026 | 94.9% | 26.16 |