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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 increasing steadily again, closing the period under review at 3,113m3/s as of 7th April 2026, whilst last year on the same date it was at 3,312m3/s.

From:
25 March 2026
To:
7 April 2026
DateFlow (m3/s)(2024/25)Flow (m3/s)(2023/24)
25-Mar2,8642,731
26-Mar2,7682,697
27-Mar2,8462,632
28-Mar2,9132,584
29-Mar2,9292,570
30-Mar2,9222,554
31-Mar3,0172,548
1-Apr3,0542,607
2-Apr3,0222,696
3-Apr2,9782,796
4-Apr2,9622,964
5-Apr2,9573,010
6-Apr3,0443,106
7-Apr3,1133,312

Ngonye

Flows at Ngonye are steadily decreasing, closing the period under review at 4,009m3/s as of 7th April 2026. The flow recorded last year on the same date was lower at 2,337m3/s.

From:
25 March 2026
To:
7 April 2026
DateFlow (m3/s)(2024/25)Flow (m3/s)(2023/24)
25-Mar4,2532,237
26-Mar4,2342,239
27-Mar4,2262,246
28-Mar4,2232,257
29-Mar4,2012,261
30-Mar4,1992,261
31-Mar4,1822,263
1-Apr4,1792,268
2-Apr4,1522,268
3-Apr4,1392,281
4-Apr4,1172,283
5-Apr4,1122,299
6-Apr4,0602,324
7-Apr4,0092,337

Victoria Falls (Nana’s Farm Station)

The Zambezi River flows at Victoria Falls – Nana’s Farm Station are increasing as rainfall season progresses, with fluctuations being observed in the flows, closing the period under review at 4,136m3/s as of 7th April 2026.  The flow observed on the same date last year was lower at 1,983m3/s.

From:
25 March 2026
To:
7 April 2026
DateFlow (m3/s)(2024/25)Flow (m3/s)(2023/24)
25-Mar4,1521,325
26-Mar4,1651,385
27-Mar4,1871,447
28-Mar4,1921,519
29-Mar4,2001,586
30-Mar4,2061,647
31-Mar4,1951,718
1-Apr4,2001,776
2-Apr4,1601,822
3-Apr4,1311,872
4-Apr4,1041,909
5-Apr4,1151,946
6-Apr4,1331,967
7-Apr4,1361,983