reservoirs.earth logo
Reservoirs.EARTH
← Eastern Cape

Dam · Eastern Cape · South Africa · DWS

Mnyameni Dam

100.0% full

Total capacity

1.82 Mm³

River

uMnyama River

Basin

Unknown

Primary use

water supply

Operator

DWS South Africa

Last updated

2026-10-05

Current fill

100.0%
High

vs 7 days ago

0.0%

stable

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 Mnyameni Dam

As of October 5, 2026, Mnyameni Dam is filled to 100.0% of its total capacity, holding roughly 2 Mm³ of water out of a maximum 2 Mm³. At this level the reservoir is high.

Over the most recent week on record the fill level has held broadly steady (+0.0 pts).

Across the readings we hold for Mnyameni Dam — 17 data points between May 31, 2026 and October 5, 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 Unknown basin at 0.000°N, 0.000°E.

Key facts

Current fill level
100.0%
Water stored
2 Mm³
Total capacity
2 Mm³
7-day change
No change
Primary use
Water supply
River
uMnyama River
River basin
Unknown
Operator
DWS South Africa
Coordinates
0.000°N, 0.000°E
Last updated
October 5, 2026

Recent readings

DateFill levelVolume (Mm³)
5 Oct 2026100.0%2
28 Sep 2026100.0%2
21 Sep 2026100.0%2
31 Aug 2026100.0%2
24 Aug 2026100.0%2
17 Aug 2026100.0%2
10 Aug 2026100.0%2
3 Aug 2026100.0%2
27 Jul 202699.5%2
29 Jun 202699.5%2
22 Jun 2026100.0%2
16 Jun 2026100.0%2

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

ShareXLinkedInWhatsApp