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South Africa · WC · DWS

Western Cape

Dams

44

Total capacity

1.9 km³

Avg fill

79.8%

Critical

1

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Dams

Sorted by capacity

Theewaterskloof Dam

Sonderend · Breede

479.3 Mm³View →

Brandvlei Dam

Brandvlei · Breede

286.1 Mm³View →

Kwaggaskloof Dam

Steenbras · Berg-Breede

169.5 Mm³View →

Voelvlei Dam

Kompanjiesdrif · Berg-Breede

158.6 Mm³View →

Berg River Dam

Berg River · Unknown

127.1 Mm³View →

Clanwilliam Dam

Olifants River · Unknown

122.5 Mm³View →

Wemmershoek Dam

Wemmershoek · Berg-Breede

58.8 Mm³View →

Floriskraal Dam

Buffels River · Unknown

46.7 Mm³View →

Stompdrift Dam

Olifants River · Unknown

46.3 Mm³View →

Gamkapoort Dam

Gamka River · Unknown

35.8 Mm³View →

Kammanassie Dam

Kammanassie River · Unknown

34.4 Mm³View →

Steenbras-Lower Dam

Steenbras · Berg-Breede

33.9 Mm³View →

Steenbras-Upper Dam

Steenbras River · Unknown

31.9 Mm³View →

Eikenhof Dam

Palmiet River · Unknown

28.9 Mm³View →

Wolwedans Dam

Groot Brak River · Unknown

24.7 Mm³View →

Ceres Dam

Koekedou River · Unknown

17.3 Mm³View →

Stettynskloof Dam

Holsloot River · Unknown

14.8 Mm³View →

Leeugamka Dam

Leeu River · Unknown

13.41 Mm³View →

Garden Route Dam

Swart River · Unknown

12.42 Mm³View →

Elandskloof Dam

Elands River · Unknown

11 Mm³View →

Lakenvallei Dam

Sanddrifskloof River · Unknown

10.44 Mm³View →

Keerom Dam

Nuy River · Unknown

9.75 Mm³View →

Poortjieskloof Dam

Groot River · Unknown

9.72 Mm³View →

Korentepoort Dam

Korinte River · Unknown

8.1 Mm³View →

Roode Els Berg Dam

Sanddrifskloof River · Unknown

7.73 Mm³View →

Hartebeestkuil Dam

Hartenbos River · Unknown

7.13 Mm³View →

Duiwenhoks Dam

Duiwenhoks River · Unknown

6.2 Mm³View →

De Bos Dam

Onrus River · Unknown

5.74 Mm³View →

Misverstand Dam

Berg River · Unknown

5.7 Mm³View →

Calitzdorp Dam

Nels River · Unknown

4.82 Mm³View →

Bulshoek Dam

Olifants River · Unknown

4.81 Mm³View →

Haarlem Dam

Groot River · Unknown

4.6 Mm³View →

Buffeljags Dam

Buffeljags River · Unknown

4.54 Mm³View →

Klipheuwel Dam

Tributary of Hartenbos River · Unknown

4.5 Mm³View →

Oukloof Dam

Cordiers River · Unknown

4.3 Mm³View →

Bellair Dam

Brak River · Unknown

4.24 Mm³View →

Prinsrivier Dam

Prins River · Unknown

2.3 Mm³View →

Roodefontein Dam

Piesang River · Unknown

2 Mm³View →

Klipberg Dam

Konings River · Unknown

1.94 Mm³View →

Pietersfontein Dam

Pietersfontein River · Unknown

1.92 Mm³View →

Gamka Dam

Gamka River · Unknown

1.73 Mm³View →

Miertjieskraal Dam

Brand River · Unknown

1.43 Mm³View →

Ernest Robertson Dam

Groot Brak River · Unknown

0.41 Mm³View →

Tierkloof Dam

Tributary of Seweweekspoort River · Unknown

0.03 Mm³View →

About reservoirs in Western Cape

As of August 31, 2026, the reservoirs we track across Western Cape that report live levels hold roughly 1,490 Mm³ of water — about 79.8% of their combined capacity. Taken together, Western Cape's reservoirs are within their normal operating range.

Across the region, 1 reservoir is at critically low levels. Misverstand Dam is the fullest at 106.5%, while Klipheuwel Dam is the lowest at 18.1%.

Over the most recent week on record, 3 reservoirs rose and 4 reservoirs fell across Western Cape.

Storage figures for Western Cape come from DWS; the most recent reading is from August 31, 2026. Each reservoir below links to its own page with full history and seasonal context.

Western Cape at a glance

Reservoirs tracked
44
Average fill
79.8%
Water stored
1,490 Mm³
Combined capacity
1,868 Mm³
At critically low levels
1
Fullest
Misverstand Dam (106.5%)
Lowest
Klipheuwel Dam (18.1%)
Last updated
August 31, 2026

See also: South Africa dam levels, explained — national and provincial breakdown

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