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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 535m3/s as of 9th June 2026, whilst last year on the same date it was at 591m3/s. 

From:
27 May 2026
To:
9 June 2026
DateFlow (m3/s)(2025/26)Flow (m3/s)(2024/25)
27-May737870
28-May718842
29-May698818
30-May679798
31-May663770
1-Jun645750
2-Jun629728
3-Jun615705
4-Jun598685
5-Jun587664
6-Jun576643
7-Jun562627
8-Jun548611
9-Jun535591

Ngonye

Flows at Ngonye are steadily decreasing, closing the period under review at 1,818m3/s as of 9th June 2026. The flow recorded last year on the same date was at 2,170m3/s.

From:
27 May 2026
To:
9 June 2026
DateFlow (m3/s)(2025/26)Flow (m3/s)(2024/25)
27-May23602713
28-May23132683
29-May22632657
30-May22232610
31-May21752575
1-Jun21312517
2-Jun20852494
3-Jun20442437
4-Jun20062389
5-Jun19652344
6-Jun19292306
7-Jun18872246
8-Jun18512217
9-Jun18182170

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 2,371m3/s as of 9th June 2026.  The flow observed on the same date last year was at 2,639m3/s.

From:
27 May 2026
To:
9 June 2026
DateFlow (m3/s)(2025/26)Flow (m3/s)(2024/25)
27-May29912790
28-May29452794
29-May29052790
30-May28652790
31-May28512785
1-Jun27502776
2-Jun27202766
3-Jun26622764
4-Jun26262748
5-Jun25752738
6-Jun25192729
7-Jun24692708
8-Jun24202678
9-Jun23712639