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South Africa · EC · DWS

Eastern Cape

Dams

44

Total capacity

1.7 km³

Avg fill

89.1%

Critical

1

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Dams

Sorted by capacity

Umtata Dam

Mtata River · Unknown

244.7 Mm³View →

Darlington Dam

Sondags River · Unknown

179.9 Mm³View →

Ncora Dam

Tsomo River · Unknown

144.9 Mm³View →

Kouga Dam

Kouga River · Unknown

126 Mm³View →

Xonxa Dam

White Kei River · Unknown

116.4 Mm³View →

Lubisi Dam

Indwe River · Unknown

113.6 Mm³View →

Impofu Dam

Krom River · Unknown

105.8 Mm³View →

Bridle Drift Dam

Buffalo River · Unknown

98 Mm³View →

Wriggleswade Dam

Kubisi River · Unknown

91.5 Mm³View →

Kommandodrift Dam

Tarka River · Unknown

56 Mm³View →

Nqweba Dam

Sondags River · Unknown

45.4 Mm³View →

Grassridge Dam

Groot Brak River · Unknown

44.5 Mm³View →

Waterdown Dam

Klipplaat River · Unknown

37.5 Mm³View →

Binfield Dam

Tyume River · Unknown

36.8 Mm³View →

Kromrivier Dam

Krom River · Unknown

35.3 Mm³View →

Sandile Dam

Keiskamma River · Unknown

29.7 Mm³View →

Katrivier Dam

Kat River · Unknown

24.9 Mm³View →

Nahoon Dam

Nahoon River · Unknown

19.3 Mm³View →

Laing Dam

Buffalo River · Unknown

18.9 Mm³View →

Doornrivier Dam

Doorn River · Unknown

17.1 Mm³View →

Oxkraal Dam

Oskraal River · Unknown

15.11 Mm³View →

Tsojana Dam

Tsojana River · Unknown

12.3 Mm³View →

Cata Dam

Cata River · Unknown

12.1 Mm³View →

Groendal Dam

Swartkops River · Unknown

11.64 Mm³View →

Lake Arthur Dam

Tarka River · Unknown

11.3 Mm³View →

Jozanashoek Dam

Sterkspruit River · Unknown

9.5 Mm³View →

Gubu Dam

Gubu River · Unknown

8.52 Mm³View →

Debe Dam

Debe River · Unknown

6.33 Mm³View →

Glen Melville Dam

Water from Fish river via Ecca tunnel River · Unknown

6.23 Mm³View →

Boesmanskrantz Dam

Oxkraal River · Unknown

4.82 Mm³View →

Rooikrans Dam

Buffalo River · Unknown

4.8 Mm³View →

Nuwejaars Dam

Nuwejaarspruit River · Unknown

4.6 Mm³View →

Elands Drift Dam

Great Fish River · Unknown

3.6 Mm³View →

Elandsdrift Dam

Great Fish River · Unknown

3.55 Mm³View →

Loerie Dam

Loeriespruit River · Unknown

3.03 Mm³View →

Mabeleni Dam

Mhlahlane River · Unknown

2.1 Mm³View →

De Mistkraal Dam

Little Fish River · Unknown

2.05 Mm³View →

Mnyameni Dam

uMnyama River · Unknown

1.82 Mm³View →

Ntenetyana Dam

Ntenetyana River · Unknown

1.61 Mm³View →

Mlanga Dam

Mlanga River · Unknown

1.6 Mm³View →

Nqadu Dam

Nqadu River · Unknown

1.3 Mm³View →

Macubeni Dam

Cacadu River · Unknown

1.14 Mm³View →

Corana Dam

Corana River · Unknown

0.73 Mm³View →

Belfort Dam

Mafube River · Unknown

0.41 Mm³View →

About reservoirs in Eastern Cape

As of August 31, 2026, the reservoirs we track across Eastern Cape that report live levels hold roughly 1,526 Mm³ of water — about 89.1% of their combined capacity. Taken together, Eastern Cape's reservoirs are high.

None of the tracked reservoirs are currently at critically low levels. Nuwejaars Dam is the fullest at 102.1%, while Darlington Dam is the lowest at 46.5%.

Over the most recent week on record, 1 reservoir rose and 7 reservoirs fell across Eastern Cape.

Storage figures for Eastern 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.

Eastern Cape at a glance

Reservoirs tracked
44
Average fill
89.1%
Water stored
1,526 Mm³
Combined capacity
1,716 Mm³
Fullest
Nuwejaars Dam (102.1%)
Lowest
Darlington Dam (46.5%)
Last updated
August 31, 2026

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

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