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Gariep Dam

99.5% full

Total capacity

4,904 hm³

River

Orange

Basin

Vaal-Orange

Primary use

water supply

Operator

DWS

Coordinates

30.544°S, 25.530°E

Last updated

2026-10-19

Current fill

99.5%
High

vs 7 days ago

-1.3 pp

losing

vs 1 year ago

+4.3 pp

year-over-year

7-day trend

↓

falling

Drought context

Rain over the last three months · 11 October 2026

Moderately wet

In the three months to 11 October 2026 the area around Gariep Dam had more rain than normal for the season. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index +1.35). Rain, not storage. South Africa drought figures →

Weekly storage

Fill history — multi-year

About this dam

Dam height

88 m

Year built

1972

Dam type

Arch-gravity

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. 30.544°S, 25.530°E · Open in Google Maps

About Gariep Dam

As of October 19, 2026, Gariep Dam is filled to 99.5% of its total capacity, holding 4,879 hm³ of water out of a maximum 4,904 hm³. At this level the reservoir is high.

Over the most recent week on record the fill level has fallen by 1.3 percentage points, and it is 4.3 points above its level on the same date a year earlier.

Across the readings we hold for Gariep Dam — 20 data points between October 19, 2025 and October 19, 2026 — the level has ranged from a low of 95.2% (October 19, 2025) to a high of 109.3% (September 28, 2026). On average the reservoir is fullest around September and at its lowest around July.

The dam at Gariep Dam stands 88 m tall and is a arch-gravity dam and was completed in 1972. It is operated by DWS primarily for water supply. It lies within the Vaal-Orange basin at 30.544°S, 25.530°E.

Key facts

Current fill level
99.5% of total capacity
Water stored
4,879 hm³
Total capacity
4,904 hm³
7-day change
▼ 1.3 pp
Year-on-year
▲ 4.3 pp
Primary use
Water supply
River
Orange
River basin
Vaal-Orange
Dam height
88 m
Year completed
1972
Operator
DWS
Coordinates
30.544°S, 25.530°E
Last updated
October 19, 2026

Recent readings

DateFill levelVolume (hm³)
19 Oct 202699.5%4,879
12 Oct 2026100.8%4,943
5 Oct 2026107.2%5,257
28 Sep 2026109.3%5,360
21 Sep 2026101.7%4,987
31 Aug 202699.9%4,899
24 Aug 202699.7%4,889
17 Aug 202699.0%4,854
10 Aug 202699.3%4,869
3 Aug 202699.3%4,869
27 Jul 202699.3%4,869
29 Jun 202698.9%4,850

Nearby reservoirs

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