Dam · KwaZulu-Natal · South Africa · DWS
Nagle Dam
99.9% full
Total capacity
23.3 Mm³
River
Mgeni River
Basin
Unknown
Primary use
water supply
Operator
DWS South Africa
Coordinates
-29.591°S, 30.627°E
Last updated
2026-06-29
Current fill
99.9%vs 7 days ago
+0.9%gaining
vs 1 year ago
N/A7-day trend
→stable
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. -29.591, 30.627 · Open in Google Maps
About Nagle Dam
As of June 29, 2026, Nagle Dam is filled to 99.9% of its total capacity, holding roughly 23 Mm³ of water out of a maximum 23 Mm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (+0.9 pts).
Across the readings we hold for Nagle Dam — 8 data points between May 31, 2026 and June 29, 2026 — the level has ranged from a low of 93.8% (May 31, 2026) to a high of 99.9% (June 29, 2026).
It is operated by DWS South Africa primarily for water supply. It lies within the Unknown basin at 29.591°S, 30.627°E.
Key facts
- Current fill level
- 99.9%
- Water stored
- 23 Mm³
- Total capacity
- 23 Mm³
- 7-day change
- ▲ 0.9 pts
- Primary use
- Water supply
- River
- Mgeni River
- River basin
- Unknown
- Operator
- DWS South Africa
- Coordinates
- 29.591°S, 30.627°E
- Last updated
- June 29, 2026
Recent readings
| Date | Fill level | Volume (Mm³) |
|---|---|---|
| 29 Jun 2026 | 99.9% | 23 |
| 22 Jun 2026 | 99.0% | 23 |
| 16 Jun 2026 | 97.2% | 23 |
| 9 Jun 2026 | 97.2% | 23 |
| 8 Jun 2026 | 95.9% | 22 |
| 7 Jun 2026 | 95.9% | 22 |
| 3 Jun 2026 | 95.9% | 22 |
| 31 May 2026 | 93.8% | 22 |
Frequently asked questions
What is the current water level of Nagle Dam?
As of June 29, 2026, Nagle Dam is at 99.9% of its capacity, holding approximately 23 Mm³ of water, according to DWS South Africa data.
Is Nagle Dam reservoir full?
Nagle Dam is essentially full, sitting at 99.9% of capacity as of June 29, 2026.
Is the water level at Nagle Dam rising or falling?
The level at Nagle Dam has been broadly stable over the latest week on record (+0.9 points).
How much water can Nagle Dam hold?
Nagle Dam has a total capacity of 23 Mm³.
Where is Nagle Dam reservoir located?
Nagle Dam is located in KwaZulu-Natal, South Africa, within the Unknown basin (coordinates 29.591°S, 30.627°E).
What is Nagle Dam used for?
Nagle Dam is used primarily for water supply, and is managed by DWS South Africa.
Nearby reservoirs
See also: South Africa dam levels, explained — how the DWS Weekly State of Dams report becomes the national and provincial figures.