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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 101m3/s on 24th September 2018, while the flow observed last year on the same date was 54m3/s.

From:
18 September 2018
To:
24 September 2018
Date Flow(m3/s)
18/09/2018108
19/09/2018107
20/09/2018106
21/09/2018104
22/09/2018104
23/09/2018102
24/09/2018101
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 414m3/s on 24th September 2018, while the flow observed last year on the same date was 249m3/s.

From:
18 September 2018
To:
24 September 2018
Date Flow(m3/s)
18/09/2018446
19/09/2018442
20/09/2018436
21/09/2018433
22/09/2018427
23/09/2018421
24/09/2018414
nana

Ngonye

Flows on the Zambezi River at Ngonye have been decreasing, closing the week under review at 341 m3/s as at 24th September 2018, while last year’s flow on the same date was 217m3/s.

From:
18 September 2018
To:
24 September 2018
Date Flow(m3/s)
18/09/2018368
19/09/2018364
20/09/2018346
21/09/2018342
22/09/2018342
23/09/2018342
24/09/2018341
ngonye

Victoria Falls/Big Tree

Flows at Victoria Falls have been decreasing closing the week under review at 386m3/s on 24th September 2018. Last year on the same date, the flow was 231m3/s.  

From:
18 September 2018
To:
24 September 2018
Date Flow(m3/s)
18/09/2018401
19/09/2018396
20/09/2018396
21/09/2018391
22/09/2018391
23/09/2018386
24/09/2018386
Victoria Falls / Big Tree