Dam · Eastern Cape · South Africa · DWS
Ncora Dam
101.5% full
Total capacity
144.9 Mm³
River
Tsomo River
Basin
Unknown
Primary use
water supply
Operator
DWS South Africa
Coordinates
-31.786°S, 27.678°E
Last updated
2026-10-05
Current fill
101.5%vs 7 days ago
-3.9%losing
vs 1 year ago
N/A7-day trend
↓falling
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.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -31.786, 27.678 · Open in Google Maps
About Ncora Dam
As of October 5, 2026, Ncora Dam is filled to 101.5% of its total capacity, holding roughly 147 Mm³ of water out of a maximum 145 Mm³. At this level the reservoir is effectively full.
Over the most recent week on record the fill level has fallen by 3.9 percentage points.
Across the readings we hold for Ncora Dam — 17 data points between May 31, 2026 and October 5, 2026 — the level has ranged from a low of 92.2% (August 10, 2026) to a high of 105.4% (September 28, 2026). On average the reservoir is fullest around September and at its lowest around July.
It is operated by DWS South Africa primarily for water supply. It lies within the Unknown basin at 31.786°S, 27.678°E.
Key facts
- Current fill level
- 101.5%
- Water stored
- 147 Mm³
- Total capacity
- 145 Mm³
- 7-day change
- ▼ 3.9 pts
- Primary use
- Water supply
- River
- Tsomo River
- River basin
- Unknown
- Operator
- DWS South Africa
- Coordinates
- 31.786°S, 27.678°E
- Last updated
- October 5, 2026
Recent readings
| Date | Fill level | Volume (Mm³) |
|---|---|---|
| 5 Oct 2026 | 101.5% | 147 |
| 28 Sep 2026 | 105.4% | 153 |
| 21 Sep 2026 | 103.6% | 150 |
| 31 Aug 2026 | 95.7% | 139 |
| 24 Aug 2026 | 96.0% | 139 |
| 17 Aug 2026 | 95.7% | 139 |
| 10 Aug 2026 | 92.2% | 134 |
| 3 Aug 2026 | 92.6% | 134 |
| 27 Jul 2026 | 93.7% | 136 |
| 29 Jun 2026 | 96.2% | 139 |
| 22 Jun 2026 | 95.7% | 139 |
| 16 Jun 2026 | 96.6% | 140 |
Nearby reservoirs
See also: South Africa dam levels, explained — how the DWS Weekly State of Dams report becomes the national and provincial figures.