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Victoria Falls/Big Tree

The Kariba Lake is designed to operate between levels 475.50m and 488.50m (with 0.70m freeboard) for hydropower generation.

The Lake level has been rising due to increase in Local rainfall activity, flows in the immediate streams and mainstream Zambezi River, closing the period under review at 476.83m (9.18% usable storage) on 15th February 2023, compared to 478.85m (23.47% usable storage) recorded on the same date last year.

The Zambezi River flows at Victoria Falls are steadily increasing, as the rain season progresses, closing the period under review at 1,323m3/s on 15th February 2023. The flow observed on the same date last year was 986m3/s.

DateFlow (m3/s)(2022/23)Flow (m3/s)(2021/22)
2 February928877
3 February952899
4 February978920
5 February1,006942
6 February1,022968
7 February1,039958
8 February1,054962
9 February1,072965
10 February1,111967
11 February1,140970
12 February1,179978
13 February1,218980
14 February1,264984
15 February1,323986
From: 
Thursday, February 2, 2023
To: 
Wednesday, February 15, 2023
Lake Levels Graphic: 
Vic-Falls

Chavuma

The Zambezi River flows at Chavuma are steadily decreasing, closing the period under review at 1,148m3/s as of 11th May 2026, whilst last year on the same date it was at 1,655m3/s.

From:
28 April 2026
To:
11 May 2026
DateFlow (m3/s)(2025/26)Flow (m3/s)(2024/25)
28-Apr17532936
29-Apr16823065
30-Apr16283103
1-May15743074
2-May15292971
3-May14812842
4-May14302695
5-May13852584
6-May13382441
7-May12972296
8-May12552070
9-May12121955
10-May11791798
11-May11481655

Ngonye

Flows at Ngonye are steadily decreasing, closing the period under review at 3,162m3/s as of 11th May 2026. The flow recorded last year on the same date was lower at 2,880m3/s.

From:
28 April 2026
To:
11 May 2026
DateFlow (m3/s)(2025/26)Flow (m3/s)(2024/25)
28-Apr35642934
29-Apr35412970
30-Apr35182999
1-May34953009
2-May34693014
3-May34413009
4-May34162987
5-May33902982
6-May33652960
7-May33172941
8-May32672929
9-May32392912
10-May32022883
11-May31622880

Victoria Falls (Nana’s Farm Station)

The Zambezi River flows at Victoria Falls – Nana’s Farm Station are steadily decreasing, closing the period under review at 3,526m3/s as of 11th May 2026.  The flow observed on the same date last year was lower at 2,773m3/s.

From:
28 April 2026
To:
11 May 2026
DateFlow (m3/s)(2025/26)Flow (m3/s)(2024/25)
28-Apr36972483
29-Apr36942498
30-Apr36842514
1-May36612539
2-May36482559
3-May36382582
4-May36232612
5-May36102635
6-May36072658
7-May35872690
8-May35692706
9-May35592752
10-May35442759
11-May35262773