South Africa’s Vaal River system storage dips slightly
Government of South Africa
· November 11, 2026
· ✓ verified
The Department of Water and Sanitation has reported a weekly update on the Integrated Vaal River System’s storage levels, noting a marginal decline while stating the system remains well supplied.
- The IVRS fell from 97.8% to 97.4%; Vaal Dam dropped from 105.1% to 104.3%, Grootdraai Dam from 99.2% to 99.0%, Bloemhof Dam from 93.1% to 92.2%, Sterkfontein Dam stayed at 98.8%, Mohale Dam rose from 102.0% to 102.1%, and Katse Dam declined from 85.7% to 85.1%.
- The notice says the system supplies Gauteng and other areas and urges communities, businesses, industries and all other water users to practise responsible water use; contact details for Wisane Mavasa and Maria Lebese are included for media enquiries.