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Hydrological Services - Surface Water (Data, Dams, Floods and Flows)


Data, Dams and Flow Information

Verified Data Data from the Hydrological Information System and Peak Flows (monthly and hydrological year)
Unverified Data Near real-time stage, flows and rainfall received from more than 400 stations
Orange River Daily flows, dam level and rainfall information in the Vaal and Orange River System
State of Dams Weekly state of approximately 180 dams in South Africa
Rainfall Trends Provincial Rainfall Trends (data supplied by SAWS)

Flood Management

Vaal Dam Dam Optimisation: Routing through dams showing capacity, inflow and outflow
Bloemhof Dam
Gariep Dam
Vanderkloof Dam
Routed River Hydrographs Routed hydrographs showing actual and predicted stage and flows in major rivers in South Africa
Flow Lines Capabillity for users to observe flow lines and levels over a range of flows from Vaal to Bloemhof Dam

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