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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 are in recession closing the week under review at 159m3/s on 20th August 2018, while the flow observed last year on the same date was 87m3/s.

From:
14 August 2018
To:
20 August 2018
Date Flow(m3/s)
14/08/2018174
15/08/2018173
16/08/2018169
17/08/2018166
18/08/2018164
19/08/2018162
20/08/2018159
chavuma

Nana's Farm

This station is located about 33km upstream of Victoria Falls. Flows on the Zambezi River at Nana’s Farm have continued decreasing during the week under review, closing at 637m3/s on 20th August 2018, while the flow observed last year on the same date was 371m3/s.

From:
14 August 2018
To:
20 August 2018
Date Flow(m3/s)
14/08/2018704
15/08/2018692
16/08/2018680
17/08/2018667
18/08/2018657
19/08/2018644
20/08/2018637
Nana's Farm

Ngonye

Flows on the Zambezi River at Ngonye have been decreasing, closing the week under review at 535 m3/s as at 20th August 2018, while last year’s flow on the same date was 335m3/s.

From:
14 August 2018
To:
20 August 2018
Date Flow(m3/s)
14/08/2018596
15/08/2018584
16/08/2018577
17/08/2018563
18/08/2018556
19/08/2018543
20/08/2018535
ngonye

Victoria Falls/Big Tree

Flows at Victoria Falls have been decreasing closing the week under review at 623m3/s on 20th August 2018. Last year on the same date, the flow was 377m3/s.  

From:
14 August 2018
To:
20 August 2018
Date Flow(m3/s)
14/08/2018691
15/08/2018677
16/08/2018663
17/08/2018650
18/08/2018636
19/08/2018630
20/08/2018623
Victoria Falls/Big Tree