Reservoir Watch
Storage levels across 218 dams in 9 provinces. Weekly data from the Department of Water and Sanitation (DWS).
Average fill
96.3%
Total capacity
29 km³
Dams tracked
218
Low level
1
Fill by province
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South Africa at a glance
National average fill
96.3%
28,252 of 29,330 Mm³ stored
Dams
218
Provinces
9
Total capacity
29.3 km³
Volume stored
28.3 km³
Low level
1
Source: Department of Water and Sanitation (DWS) Weekly State of Dams report — ~218 dams representing ~90%+ of South Africa's managed water storage. Last reading: 2026-07-06. How South Africa's dam levels are measured and reported.
National fill — multi-year
By province
Sorted by capacityFree State
21 dams
Average fill
100.3%
KwaZulu-Natal
19 dams
Average fill
89.3%
Mpumalanga
22 dams
Average fill
99.4%
Western Cape
44 dams
Average fill
77.2%
Eastern Cape
44 dams
Average fill
88.6%
Limpopo
29 dams
Average fill
100.1%
North West
28 dams
Average fill
103.3%
Northern Cape
6 dams
Average fill
102.6%
Gauteng
5 dams
Average fill
100.8%
All dams
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Dataset coverage
Tracked
218
reservoirs
With data
217
reservoirs
Tracked capacity
29,330
hm³
Source: DWS — Department of Water and Sanitation (South Africa)
Covers reservoirs monitored by the DWS national dam safety and hydrology programme.
⚠️ The most recent reading we have for South Africa is 21 days old — the official source may be delayed. Figures below may not reflect today’s levels.
About reservoirs in South Africa
As of July 6, 2026, the reservoirs we track across South Africa that report live levels hold roughly 28,252 Mm³ of water — about 96.3% of their combined capacity. Taken together, South Africa's reservoirs are high.
Across the region, 1 is low. Boegoeberg Dam is the fullest at 117.8%, while Klipheuwel Dam is the lowest at 33.6%.
Over the most recent week on record, 17 reservoirs rose and 9 reservoirs fell across South Africa.
Storage figures for South Africa come from DWS; the most recent reading is from July 6, 2026. Each reservoir below links to its own page with full history and seasonal context.
South Africa at a glance
- Reservoirs tracked
- 218
- Average fill
- 96.3%
- Water stored
- 28,252 Mm³
- Combined capacity
- 29,330 Mm³
- Fullest
- Boegoeberg Dam (117.8%)
- Lowest
- Klipheuwel Dam (33.6%)
- Last updated
- July 6, 2026
Frequently asked questions
How full are reservoirs in South Africa right now?
As of July 6, 2026, the reservoirs tracked in South Africa that report live levels are 96.3% full overall, holding about 28,252 Mm³ of water.
How many reservoirs are there in South Africa?
reservoirs.earth tracks 218 reservoirs in South Africa, with a combined storage capacity of 29,330 Mm³.
Which reservoir in South Africa is the fullest?
Boegoeberg Dam is currently the fullest reservoir in South Africa, at 117.8% of capacity.
Which reservoir in South Africa is the lowest?
Klipheuwel Dam is currently the lowest in South Africa, at 33.6% of capacity.
Where does the reservoir data for South Africa come from?
All storage figures for South Africa come from DWS, an official source, last updated July 6, 2026.