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River Flows

The hydrometric network used for the control and day to day operations of the Kariba reservoir comprise of thirteen stations where water levels are monitored daily. Flow measurements are carried out at eight of these stations which include the Victoria Falls, one of the key stations on the Zambezi River.

Coincidentally, the maximum flow recorded at Victoria Falls was during the early construction phase of Kariba Dam in March 1958 at 10,000 cubic metres per second.  The lowest flows recorded to date at Victoria Falls were during the 1995/96 season which had an annual mean flow of 390 cubic metres per second, whereas the Long Term Mean Annual flow at Victoria Falls is 1,100 cubic metres per second.

FLOWS AT SELECTED STATIONS:

Chavuma

Flows on the Zambezi River at Chavuma have been increasing during the week under review due to rainfall activities being recorded around the catchment, closing at 85m3/s on 10th December 2018, while the flow observed last year on the same date was 158m3/s.

From:
4 December 2018
To:
10 December 2018
Date Flow(m3/s)
04/12/201878
05/12/201879
06/12/201880
07/12/201881
08/12/201884
09/12/201885
10/12/201885
chavuma

Nana's Farm

This station is located about 33km upstream of Victoria Falls. Flows on the Zambezi River at Nana’s Farm have been fluctuating due to sporadic rainfall activities around the catchment during the week under review, closing at 259m3/s on 10th December 2018. The flow observed last year on the same date was 296m3/s.

From:
4 December 2018
To:
10 December 2018
Date Flow(m3/s)
04/12/2018256
05/12/2018251
06/12/2018251
07/12/2018252
08/12/2018253
09/12/2018256
10/12/2018259
nana

Ngonye

Flows on the Zambezi River at Ngonye showed propensity of increasing, closing the week under review at 226 m3/s as at 10th December 2018, while last year’s flow on the same date was 307m3/s.

From:
4 December 2018
To:
10 December 2018
Date Flow(m3/s)
04/12/2018226
05/12/2018227
06/12/2018244
07/12/2018238
08/12/2018228
09/12/2018227
10/12/2018226
ngonye

Victoria Falls/Big Tree

Flows at Victoria Falls have been fluctuating due to localised rainfall activities, closing the week under review at 238m3/s on 10th December 2018. Last year on the same date, the flow was 278m3/s.  

From:
4 December 2018
To:
10 December 2018
Date Flow(m3/s)
04/12/2018234
05/12/2018231
06/12/2018227
07/12/2018231
08/12/2018231
09/12/2018234
10/12/2018238
vic falls