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South Africa · WC · DWS

Western Cape

Dams

44

Total capacity

1.9 km³

Avg fill

73.2%

Low level

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

13.5 Mm³View →

Garden Route Dam

Swart River · Unknown

12.5 Mm³View →

Elandskloof Dam

Elands River · Unknown

11 Mm³View →

Lakenvallei Dam

Sanddrifskloof River · Unknown

10.5 Mm³View →

Keerom Dam

Nuy River · Unknown

9.8 Mm³View →

Poortjieskloof Dam

Groot River · Unknown

9.8 Mm³View →

Korentepoort Dam

Korinte River · Unknown

8.1 Mm³View →

Roode Els Berg Dam

Sanddrifskloof River · Unknown

7.8 Mm³View →

Hartebeestkuil Dam

Hartenbos River · Unknown

7.2 Mm³View →

Duiwenhoks Dam

Duiwenhoks River · Unknown

6.2 Mm³View →

De Bos Dam

Onrus River · Unknown

5.8 Mm³View →

Misverstand Dam

Berg River · Unknown

5.7 Mm³View →

Bulshoek Dam

Olifants River · Unknown

4.9 Mm³View →

Calitzdorp Dam

Nels River · Unknown

4.9 Mm³View →

Haarlem Dam

Groot River · Unknown

4.7 Mm³View →

Buffeljags Dam

Buffeljags River · Unknown

4.6 Mm³View →

Klipheuwel Dam

Tributary of Hartenbos River · Unknown

4.5 Mm³View →

Bellair Dam

Brak River · Unknown

4.3 Mm³View →

Oukloof Dam

Cordiers River · Unknown

4.3 Mm³View →

Prinsrivier Dam

Prins River · Unknown

2.3 Mm³View →

Klipberg Dam

Konings River · Unknown

2 Mm³View →

Pietersfontein Dam

Pietersfontein River · Unknown

2 Mm³View →

Roodefontein Dam

Piesang River · Unknown

2 Mm³View →

Gamka Dam

Gamka River · Unknown

1.8 Mm³View →

Miertjieskraal Dam

Brand River · Unknown

1.5 Mm³View →

Ernest Robertson Dam

Groot Brak River · Unknown

0.5 Mm³View →

Tierkloof Dam

Tributary of Seweweekspoort River · Unknown

0.1 Mm³View →

About reservoirs in Western Cape

As of June 9, 2026, the reservoirs we track across Western Cape that report live levels hold roughly 1,368 Mm³ of water — about 73.2% of their combined capacity. Taken together, Western Cape's reservoirs are within their normal operating range.

Across the region, 1 is low. Gamkapoort Dam is the fullest at 113.7%, while Klipheuwel Dam is the lowest at 37.7%.

Over the most recent week on record, 18 reservoirs rose and 2 reservoirs fell across Western Cape.

Storage figures for Western Cape come from DWS; the most recent reading is from June 9, 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
73.2%
Water stored
1,368 Mm³
Combined capacity
1,869 Mm³
Fullest
Gamkapoort Dam (113.7%)
Lowest
Klipheuwel Dam (37.7%)
Last updated
June 9, 2026

Frequently asked questions

How full are reservoirs in Western Cape right now?

As of June 9, 2026, the reservoirs tracked in Western Cape that report live levels are 73.2% full overall, holding about 1,368 Mm³ of water.

How many reservoirs are there in Western Cape?

reservoirs.earth tracks 44 reservoirs in Western Cape, with a combined storage capacity of 1,869 Mm³.

Which reservoir in Western Cape is the fullest?

Gamkapoort Dam is currently the fullest reservoir in Western Cape, at 113.7% of capacity.

Which reservoir in Western Cape is the lowest?

Klipheuwel Dam is currently the lowest in Western Cape, at 37.7% of capacity.

Where does the reservoir data for Western Cape come from?

All storage figures for Western Cape come from DWS, an official source, last updated June 9, 2026.

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