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 capacityUmtata Dam
Mtata River · Unknown
Darlington Dam
Sondags River · Unknown
Ncora Dam
Tsomo River · Unknown
Kouga Dam
Kouga River · Unknown
Xonxa Dam
White Kei River · Unknown
Lubisi Dam
Indwe River · Unknown
Impofu Dam
Krom River · Unknown
Bridle Drift Dam
Buffalo River · Unknown
Wriggleswade Dam
Kubisi River · Unknown
Kommandodrift Dam
Tarka River · Unknown
Nqweba Dam
Sondags River · Unknown
Grassridge Dam
Groot Brak River · Unknown
Waterdown Dam
Klipplaat River · Unknown
Binfield Dam
Tyume River · Unknown
Kromrivier Dam
Krom River · Unknown
Sandile Dam
Keiskamma River · Unknown
Katrivier Dam
Kat River · Unknown
Nahoon Dam
Nahoon River · Unknown
Laing Dam
Buffalo River · Unknown
Doornrivier Dam
Doorn River · Unknown
Oxkraal Dam
Oskraal River · Unknown
Tsojana Dam
Tsojana River · Unknown
Cata Dam
Cata River · Unknown
Groendal Dam
Swartkops River · Unknown
Lake Arthur Dam
Tarka River · Unknown
Jozanashoek Dam
Sterkspruit River · Unknown
Gubu Dam
Gubu River · Unknown
Debe Dam
Debe River · Unknown
Glen Melville Dam
Water from Fish river via Ecca tunnel River · Unknown
Boesmanskrantz Dam
Oxkraal River · Unknown
Rooikrans Dam
Buffalo River · Unknown
Nuwejaars Dam
Nuwejaarspruit River · Unknown
Elands Drift Dam
Great Fish River · Unknown
Elandsdrift Dam
Great Fish River · Unknown
Loerie Dam
Loeriespruit River · Unknown
Mabeleni Dam
Mhlahlane River · Unknown
De Mistkraal Dam
Little Fish River · Unknown
Mnyameni Dam
uMnyama River · Unknown
Ntenetyana Dam
Ntenetyana River · Unknown
Mlanga Dam
Mlanga River · Unknown
Nqadu Dam
Nqadu River · Unknown
Macubeni Dam
Cacadu River · Unknown
Corana Dam
Corana River · Unknown
Belfort Dam
Mafube River · Unknown
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