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Dam · Eastern Cape · South Africa · DWS

Mlanga Dam

94.5% full

Total capacity

1.6 hm³

River

Mlanga River

Basin

Mzimvubu-Tsitsikamma

Primary use

water supply

Operator

DWS South Africa

Coordinates

31.432°S, 28.929°E

Last updated

2026-10-19

Current fill

94.5%
High

vs 7 days ago

-0.7 pp

losing

vs 1 year ago

+9.5 pp

year-over-year

7-day trend

→

stable

Drought context

Rain over the last three months · 11 October 2026

Very wet

In the three months to 11 October 2026 the area around Mlanga Dam had much more rain than normal, seen about one year in fifteen. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index +1.83). Rain, not storage. South Africa drought figures →

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 Mlanga Dam

As of October 19, 2026, Mlanga Dam is filled to 94.5% of its total capacity, holding 1.5 hm³ of water out of a maximum 1.6 hm³. At this level the reservoir is high.

Over the most recent week on record the fill level has held broadly steady (-0.7 pp), and it is 9.5 points above its level on the same date a year earlier.

Across the readings we hold for Mlanga Dam — 20 data points between October 19, 2025 and October 19, 2026 — the level has ranged from a low of 70.7% (July 27, 2026) to a high of 96.0% (September 28, 2026). On average the reservoir is fullest around October and at its lowest around July.

It is operated by DWS South Africa primarily for water supply. It lies within the Mzimvubu-Tsitsikamma basin at 31.432°S, 28.929°E.

Key facts

Current fill level
94.5% of total capacity
Water stored
1.5 hm³
Total capacity
1.6 hm³
7-day change
▼ 0.7 pp
Year-on-year
▲ 9.5 pp
Primary use
Water supply
River
Mlanga River
River basin
Mzimvubu-Tsitsikamma
Operator
DWS South Africa
Coordinates
31.432°S, 28.929°E
Last updated
October 19, 2026

Recent readings

DateFill levelVolume (hm³)
19 Oct 202694.5%1.5
12 Oct 202695.2%1.5
5 Oct 202695.8%1.5
28 Sep 202696.0%1.5
21 Sep 202685.3%1.4
31 Aug 202678.8%1.3
24 Aug 202679.5%1.3
17 Aug 202679.4%1.3
10 Aug 202676.0%1.2
3 Aug 202671.4%1.1
27 Jul 202670.7%1.1
29 Jun 202675.7%1.2

Nearby reservoirs

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