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Dam · Western Cape · South Africa · DWS

Gamka Dam

100.0% full

Total capacity

1.73 hm³

River

Gamka River

Basin

Breede-Olifants

Primary use

water supply

Operator

DWS South Africa

Coordinates

32.239°S, 22.587°E

Last updated

2026-10-19

Current fill

100.0%
High

vs 7 days ago

+0.3 pp

gaining

vs 1 year ago

+68.3 pp

year-over-year

7-day trend

→

stable

Drought context

Rain over the last three months · 11 October 2026

Extremely wet

In the three months to 11 October 2026 the area around Gamka Dam had exceptionally wet conditions, a surplus seen about one year in forty. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index +2.78). 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

Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 32.239°S, 22.587°E · Open in Google Maps

About Gamka Dam

As of October 19, 2026, Gamka Dam has a published fill of 100.0%, holding 1.7 hm³. Total capacity is 1.73 hm³. At this level the reservoir is high.

Over the most recent week on record the fill level has held broadly steady (+0.3 pp), and it is 68.3 points above its level on the same date a year earlier.

Across the readings we hold for Gamka Dam — 20 data points between October 19, 2025 and October 19, 2026 — the level has ranged from a low of 31.7% (October 19, 2025) to a high of 101.1% (September 21, 2026). On average the reservoir is fullest around May and at its lowest around October.

It is operated by DWS South Africa primarily for water supply. It lies within the Breede-Olifants basin at 32.239°S, 22.587°E.

Key facts

Current fill level
100.0%
Water stored
1.7 hm³
Total capacity
1.73 hm³
7-day change
▲ 0.3 pp
Year-on-year
▲ 68.3 pp
Primary use
Water supply
River
Gamka River
River basin
Breede-Olifants
Operator
DWS South Africa
Coordinates
32.239°S, 22.587°E
Last updated
October 19, 2026

Recent readings

DateFill levelVolume (hm³)
19 Oct 2026100.0%1.7
12 Oct 202699.7%1.7
5 Oct 2026100.6%1.7
28 Sep 2026100.2%1.7
21 Sep 2026101.1%1.7
31 Aug 2026100.0%1.7
24 Aug 2026100.2%1.7
17 Aug 2026100.2%1.7
10 Aug 2026100.3%1.7
3 Aug 2026100.1%1.7
27 Jul 202699.8%1.7
29 Jun 2026100.0%1.7

Nearby reservoirs

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