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Eastern Cape

Dam · Eastern Cape · South Africa · DWS

Glen Melville Dam

96.6% full

Total capacity

6.23 Mm³

River

Water from Fish river via Ecca tunnel River

Basin

Unknown

Primary use

water supply

Operator

DWS South Africa

Last updated

2026-06-29

Data older than 14 days — last reading 2026-06-29. Shown for reference; it may not reflect current levels.

Current fill

96.6%
High

vs 7 days ago

-1.2%

losing

vs 1 year ago

N/A

7-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.

Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 0.000, 0.000 · Open in Google Maps

About Glen Melville Dam

As of June 29, 2026, Glen Melville Dam is filled to 96.6% of its total capacity, holding roughly 6 Mm³ of water out of a maximum 6 Mm³. At this level the reservoir is high.

Over the most recent week on record the fill level has held broadly steady (-1.2 pts).

Across the readings we hold for Glen Melville Dam — 8 data points between May 31, 2026 and June 29, 2026 — the level has ranged from a low of 89.0% (June 3, 2026) to a high of 97.8% (June 22, 2026).

It is operated by DWS South Africa primarily for water supply. It lies within the Unknown basin at 0.000°N, 0.000°E.

Key facts

Current fill level
96.6%
Water stored
6 Mm³
Total capacity
6 Mm³
7-day change
▼ 1.2 pts
Primary use
Water supply
River
Water from Fish river via Ecca tunnel River
River basin
Unknown
Operator
DWS South Africa
Coordinates
0.000°N, 0.000°E
Last updated
June 29, 2026

Recent readings

DateFill levelVolume (Mm³)
29 Jun 202696.6%6
22 Jun 202697.8%6
16 Jun 202696.8%6
9 Jun 202696.8%6
8 Jun 202689.0%6
7 Jun 202689.0%6
3 Jun 202689.0%6
31 May 202694.7%6

Frequently asked questions

What is the current water level of Glen Melville Dam?

As of June 29, 2026, Glen Melville Dam is at 96.6% of its capacity, holding approximately 6 Mm³ of water, according to DWS South Africa data.

Is Glen Melville Dam reservoir full?

Glen Melville Dam is essentially full, sitting at 96.6% of capacity as of June 29, 2026.

Is the water level at Glen Melville Dam rising or falling?

The level at Glen Melville Dam has been broadly stable over the latest week on record (-1.2 points).

How much water can Glen Melville Dam hold?

Glen Melville Dam has a total capacity of 6 Mm³.

Where is Glen Melville Dam reservoir located?

Glen Melville Dam is located in Eastern Cape, South Africa, within the Unknown basin (coordinates 0.000°N, 0.000°E).

What is Glen Melville Dam used for?

Glen Melville Dam is used primarily for water supply, and is managed by DWS South Africa.

See also: South Africa dam levels, explained — how the DWS Weekly State of Dams report becomes the national and provincial figures.

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