Dam · KwaZulu-Natal · South Africa · DWS
Mearns Dam
59.1% full
Total capacity
5.2 Mm³
River
Mooi River
Basin
Unknown
Primary use
water supply
Operator
DWS South Africa
Coordinates
-29.247°S, 29.971°E
Last updated
2026-06-29
Current fill
59.1%vs 7 days ago
-0.4%losing
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
About Mearns Dam
As of June 29, 2026, Mearns Dam is filled to 59.1% of its total capacity, holding roughly 3 Mm³ of water out of a maximum 5 Mm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has held broadly steady (-0.4 pts).
Across the readings we hold for Mearns Dam — 8 data points between May 31, 2026 and June 29, 2026 — the level has ranged from a low of 47.1% (May 31, 2026) to a high of 59.5% (June 22, 2026).
It is operated by DWS South Africa primarily for water supply. It lies within the Unknown basin at 29.247°S, 29.971°E.
Key facts
- Current fill level
- 59.1%
- Water stored
- 3 Mm³
- Total capacity
- 5 Mm³
- 7-day change
- ▼ 0.4 pts
- Primary use
- Water supply
- River
- Mooi River
- River basin
- Unknown
- Operator
- DWS South Africa
- Coordinates
- 29.247°S, 29.971°E
- Last updated
- June 29, 2026
Recent readings
| Date | Fill level | Volume (Mm³) |
|---|---|---|
| 29 Jun 2026 | 59.1% | 3 |
| 22 Jun 2026 | 59.5% | 3 |
| 16 Jun 2026 | 58.8% | 3 |
| 9 Jun 2026 | 58.8% | 3 |
| 8 Jun 2026 | 54.6% | 3 |
| 7 Jun 2026 | 54.6% | 3 |
| 3 Jun 2026 | 54.6% | 3 |
| 31 May 2026 | 47.1% | 2 |
Frequently asked questions
What is the current water level of Mearns Dam?
As of June 29, 2026, Mearns Dam is at 59.1% of its capacity, holding approximately 3 Mm³ of water, according to DWS South Africa data.
Is Mearns Dam reservoir full?
No. As of June 29, 2026, Mearns Dam is within its normal operating range at 59.1% of its capacity, so it is not full.
Is the water level at Mearns Dam rising or falling?
The level at Mearns Dam has been broadly stable over the latest week on record (-0.4 points).
How much water can Mearns Dam hold?
Mearns Dam has a total capacity of 5 Mm³.
Where is Mearns Dam reservoir located?
Mearns Dam is located in KwaZulu-Natal, South Africa, within the Unknown basin (coordinates 29.247°S, 29.971°E).
What is Mearns Dam used for?
Mearns 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.