Dam · KwaZulu-Natal · South Africa · DWS
Midmar Dam
90.3% full
Total capacity
235.5 Mm³
River
Umgeni
Basin
Mvoti-Umzimkulu
Primary use
water supply
Operator
Umgeni Water
Coordinates
-29.533°S, 30.150°E
Last updated
2026-10-05
Current fill
90.3%vs 7 days ago
0.0%stable
vs 1 year ago
N/A7-day trend
→stable
Drought context
Rain over the last three months · 21 September 2026
Moderately wet
In the three months to 21 September 2026 the area around Midmar Dam had more rain than 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 +1.28). Rain, not storage. South Africa drought figures →
Weekly storage
Fill history — multi-year
About this dam
Dam height
46 m
Year built
1965
Dam type
Earthfill
Data source
official
Storage data: Department of Water and Sanitation (DWS) Weekly State of Dams report, South Africa.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -29.533, 30.150 · Open in Google Maps
About Midmar Dam
As of October 5, 2026, Midmar Dam is filled to 90.3% of its total capacity, holding roughly 213 Mm³ of water out of a maximum 236 Mm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts).
Across the readings we hold for Midmar Dam — 17 data points between May 31, 2026 and October 5, 2026 — the level has ranged from a low of 88.0% (August 31, 2026) to a high of 95.8% (May 31, 2026). On average the reservoir is fullest around May and at its lowest around August.
The dam at Midmar Dam stands 46 m tall and is a earthfill dam and was completed in 1965. It is operated by Umgeni Water primarily for water supply. It lies within the Mvoti-Umzimkulu basin at 29.533°S, 30.150°E.
Key facts
- Current fill level
- 90.3%
- Water stored
- 213 Mm³
- Total capacity
- 236 Mm³
- 7-day change
- No change
- Primary use
- Water supply
- River
- Umgeni
- River basin
- Mvoti-Umzimkulu
- Dam height
- 46 m
- Year completed
- 1965
- Operator
- Umgeni Water
- Coordinates
- 29.533°S, 30.150°E
- Last updated
- October 5, 2026
Recent readings
| Date | Fill level | Volume (Mm³) |
|---|---|---|
| 5 Oct 2026 | 90.3% | 213 |
| 28 Sep 2026 | 90.3% | 213 |
| 21 Sep 2026 | 88.2% | 208 |
| 31 Aug 2026 | 88.0% | 207 |
| 24 Aug 2026 | 88.4% | 208 |
| 17 Aug 2026 | 89.0% | 210 |
| 10 Aug 2026 | 89.0% | 210 |
| 3 Aug 2026 | 89.5% | 211 |
| 27 Jul 2026 | 90.0% | 212 |
| 29 Jun 2026 | 93.0% | 219 |
| 22 Jun 2026 | 93.6% | 220 |
| 16 Jun 2026 | 94.7% | 223 |
Nearby reservoirs
See also: South Africa dam levels, explained — how the DWS Weekly State of Dams report becomes the national and provincial figures.