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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

The Zambezi River flows at Chavuma are receding, closing the period under review at 295m3/s as of 14th July 2025, whilst last year on the same date it was much lower at 201m3/s.

From:
1 July 2025
To:
14 July 2025
DateFlow (m3/s)(2024/25)Flow (m3/s)(2023/24)
1-Jul366245
2-Jul360241
3-Jul354237
4-Jul351234
5-Jul344230
6-Jul338225
7-Jul333222
8-Jul328219
9-Jul320216
10-Jul316212
11-Jul311209
12-Jul304207
13-Jul298204
14-Jul295201
chavuma

Ngonye

Flows at Ngonye are receding, closing the period under review at 995m3/s as of 14th July 2025. The flow recorded last year on the same date was lower at 500m3/s.

From:
1 July 2025
To:
14 July 2025
DateFlow (m3/s)(2024/25)Flow (m3/s)(2023/24)
1-Jul1,336602
2-Jul1,321593
3-Jul1,295584
4-Jul1,267573
5-Jul1,239566
6-Jul1,208557
7-Jul1,177548
8-Jul1,152542
9-Jul1,129534
10-Jul1,099528
11-Jul1,075521
12-Jul1,047514
13-Jul1,028503
14-Jul995500
ngonye

Victoria Falls (Nana’s Farm Station)

The Zambezi River flows at Victoria Falls – Nana’s Farm Station are in recession, closing the period under review at 1,258m3/s as of 14th July 2025.  The flow observed on the same date last year was lower at 500m3/s.

From:
1 July 2025
To:
14 July 2025
DateFlow (m3/s)(2024/25)Flow (m3/s)(2023/24)
1-Jul1,744623
2-Jul1,700609
3-Jul1,663597
4-Jul1,624586
5-Jul1,582575
6-Jul1,545564
7-Jul1,506555
8-Jul1,468544
9-Jul1,429535
10-Jul1,396527
11-Jul1,361519
12-Jul1,332514
13-Jul1,296506
14-Jul1,258500
vic-falls