Hydrology Banner

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 424m3/s as of 23rd June 2025, whilst last year on the same date it was much lower at 274m3/s.

From:
10 June 2025
To:
23 June 2025
DateFlow (m3/s)(2024/25)Flow (m3/s)(2023/24)
10-Jun575333
11-Jun558329
12-Jun545324
13-Jun532320
14-Jun516315
15-Jun502310
16-Jun493304
17-Jun482299
18-Jun472294
19-Jun461290
20-Jun452286
21-Jun443283
22-Jun433279
23-Jun424275
chavuma

Ngonye

Flows at Ngonye are receding, closing the period under review at 1,611m3/s as of 23rd June 2025. The flow recorded last year on the same date was lower at 709m3/s.

From:
10 June 2025
To:
23 June 2025
DateFlow (m3/s)(2024/25)Flow (m3/s)(2023/24)
10-Jun2,116963
11-Jun2,068949
12-Jun2,025934
13-Jun2,006913
14-Jun1,948893
15-Jun1,912872
16-Jun1,868852
17-Jun1,828831
18-Jun1,787807
19-Jun1,752786
20-Jun1,711771
21-Jun1,685750
22-Jun1,643727
23-Jun1,611709
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 2,103m3/s as of 23rd June 2025.  The flow observed on the same date last year was lower at 769m3/s.

From:
10 June 2025
To:
23 June 2025
DateFlow (m3/s)(2024/25)Flow (m3/s)(2023/24)
10-Jun2,610933
11-Jun2,573928
12-Jun2,541925
13-Jun2,505918
14-Jun2,469907
15-Jun2,429899
16-Jun2,389887
17-Jun2,356873
18-Jun2,308860
19-Jun2,273846
20-Jun2,231825
21-Jun2,193806
22-Jun2,143788
23-Jun2,103769
vic-falls