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South Africa · EC · DWS

Eastern Cape

Dams

44

Total capacity

1.7 km³

Avg fill

92.5%

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

19 Mm³View →

Doornrivier Dam

Doorn River · Unknown

17.1 Mm³View →

Oxkraal Dam

Oskraal River · Unknown

15.2 Mm³View →

Tsojana Dam

Tsojana River · Unknown

12.3 Mm³View →

Cata Dam

Cata River · Unknown

12.1 Mm³View →

Groendal Dam

Swartkops River · Unknown

11.7 Mm³View →

Lake Arthur Dam

Tarka River · Unknown

11.3 Mm³View →

Jozanashoek Dam

Sterkspruit River · Unknown

9.5 Mm³View →

Gubu Dam

Gubu River · Unknown

8.6 Mm³View →

Debe Dam

Debe River · Unknown

6.4 Mm³View →

Glen Melville Dam

Water from Fish river via Ecca tunnel River · Unknown

6.3 Mm³View →

Boesmanskrantz Dam

Oxkraal River · Unknown

4.9 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

3.6 Mm³View →

Macubeni Dam

Cacadu River · Unknown

3.4 Mm³View →

Loerie Dam

Loeriespruit River · Unknown

3.1 Mm³View →

De Mistkraal Dam

Little Fish River · Unknown

2.1 Mm³View →

Mabeleni Dam

Mhlahlane River · Unknown

2.1 Mm³View →

Mnyameni Dam

uMnyama River · Unknown

1.9 Mm³View →

Ntenetyana Dam

Ntenetyana River · Unknown

1.7 Mm³View →

Mlanga Dam

Mlanga River · Unknown

1.6 Mm³View →

Nqadu Dam

Nqadu River · Unknown

1.3 Mm³View →

Corana Dam

Corana River · Unknown

0.8 Mm³View →

Belfort Dam

Mafube River · Unknown

0.5 Mm³View →

About reservoirs in Eastern Cape

As of June 9, 2026, the reservoirs we track across Eastern Cape that report live levels hold roughly 1,590 Mm³ of water — about 92.5% of their combined capacity. Taken together, Eastern Cape's reservoirs are high.

None of the tracked reservoirs are currently at critically low levels. Nqweba Dam is the fullest at 106.2%, while Debe Dam is the lowest at 49.9%.

Over the most recent week on record, 20 reservoirs rose and 4 reservoirs fell across Eastern Cape.

Storage figures for Eastern 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.

Eastern Cape at a glance

Reservoirs tracked
44
Average fill
92.5%
Water stored
1,590 Mm³
Combined capacity
1,720 Mm³
Fullest
Nqweba Dam (106.2%)
Lowest
Debe Dam (49.9%)
Last updated
June 9, 2026

Frequently asked questions

How full are reservoirs in Eastern Cape right now?

As of June 9, 2026, the reservoirs tracked in Eastern Cape that report live levels are 92.5% full overall, holding about 1,590 Mm³ of water.

How many reservoirs are there in Eastern Cape?

reservoirs.earth tracks 44 reservoirs in Eastern Cape, with a combined storage capacity of 1,720 Mm³.

Which reservoir in Eastern Cape is the fullest?

Nqweba Dam is currently the fullest reservoir in Eastern Cape, at 106.2% of capacity.

Which reservoir in Eastern Cape is the lowest?

Debe Dam is currently the lowest in Eastern Cape, at 49.9% of capacity.

Where does the reservoir data for Eastern Cape come from?

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

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