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Winter Rains Push Western Cape Reservoirs to About 78%

The rise reduces immediate supply risk as authorities monitor further inflows before deciding whether to ease water restrictions.

Overview

  • The combined Cape Town water system and provincial dams climbed to roughly 77–78 percent capacity this week, with City of Cape Town and Department of Water and Sanitation data showing the system at about 78 percent.
  • Key large reservoirs have improved but remain uneven: Theewaterskloof is around 78 percent, Berg River about 88.6 percent, and Voëlvlei near 61.6 percent, while Steenbras Upper and Wemmershoek are at or above full supply.
  • The Clanwilliam Dam in the Olifants-Doorn catchment rebounded strongly to roughly 96 percent, reversing last year’s low levels and easing pressure on that regional supply.
  • Local operations such as pumping and balancing systems helped recover smaller catchments including Knysna’s Akkerkloof, but officials say these fixes do not remove the need for continued conservation.
  • Provincial leaders welcome the inflows but have stressed that water restrictions will remain under review and only be relaxed once aggregate storage nears full capacity, which is critical ahead of the dry summer season.