Dam · Eastern Cape · South Africa · DWS
Mnyameni Dam
99.7% full
Total capacity
1.82 hm³
River
uMnyama River
Basin
Mzimvubu-Tsitsikamma
Primary use
water supply
Operator
DWS South Africa
Last updated
2026-10-19
Current fill
99.7%vs 7 days ago
-0.3 pplosing
vs 1 year ago
-0.2 ppyear-over-year
7-day trend
→stable
Drought context
Rain over the last three months
N/A
No SPI-3 value is on file for Mnyameni Dam. The figure is left blank rather than estimated. South Africa drought figures →
Weekly storage
Fill history — multi-year
About this dam
Data source
official
Storage data: Department of Water and Sanitation (DWS) Weekly State of Dams report, South Africa.
About Mnyameni Dam
As of October 19, 2026, Mnyameni Dam is filled to 99.7% of its total capacity, holding 1.8 hm³ of water out of a maximum 1.82 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.3 pp), and it sits close to where it was a year earlier.
Across the readings we hold for Mnyameni Dam — 20 data points between October 19, 2025 and October 19, 2026 — the level has ranged from a low of 98.0% (June 3, 2026) to a high of 100.0% (June 9, 2026). On average the reservoir is fullest around August and at its lowest around June.
It is operated by DWS South Africa primarily for water supply. It lies within the Mzimvubu-Tsitsikamma basin.
Key facts
- Current fill level
- 99.7% of total capacity
- Water stored
- 1.8 hm³
- Total capacity
- 1.82 hm³
- 7-day change
- ▼ 0.3 pp
- Year-on-year
- ▼ 0.2 pp
- Primary use
- Water supply
- River
- uMnyama River
- River basin
- Mzimvubu-Tsitsikamma
- Operator
- DWS South Africa
- Last updated
- October 19, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 19 Oct 2026 | 99.7% | 1.8 |
| 12 Oct 2026 | 100.0% | 1.8 |
| 5 Oct 2026 | 100.0% | 1.8 |
| 28 Sep 2026 | 100.0% | 1.8 |
| 21 Sep 2026 | 100.0% | 1.8 |
| 31 Aug 2026 | 100.0% | 1.8 |
| 24 Aug 2026 | 100.0% | 1.8 |
| 17 Aug 2026 | 100.0% | 1.8 |
| 10 Aug 2026 | 100.0% | 1.8 |
| 3 Aug 2026 | 100.0% | 1.8 |
| 27 Jul 2026 | 99.5% | 1.8 |
| 29 Jun 2026 | 99.5% | 1.8 |
See also: South Africa dam levels, explained — how the DWS Weekly State of Dams report becomes the national and provincial figures.