According to the brochure The Power of Water, “the Scheme operates over an area of 3 200 square kilometres [1,200 square miles] and includes 80 kms [50 miles] of aqueducts, 140 kms [87 miles] of tunnels and 16 large dams.”
Die brosjure The Power of Water sê “die Skema strek oor ’n gebied van 3200 vierkante kilometer en sluit 80 km waterleiding, 140 km tonnels en 16 groot damme in”.jw2019 jw2019