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Dam · Eastern Cape · South Africa · DWS

Jozanashoek Dam

100.6% full

Total capacity

9.5 hm³

River

Sterkspruit River

Basin

Vaal-Orange

Primary use

water supply

Operator

DWS South Africa

Last updated

2026-10-19

Current fill

100.6%
Full

vs 7 days ago

-0.2 pp

losing

vs 1 year ago

+3.1 pp

year-over-year

7-day trend

→

stable

Drought context

Rain over the last three months

N/A

No SPI-3 value is on file for Jozanashoek Dam. The figure is left blank rather than estimated. South Africa drought figures →

Weekly storage

Fill history — multi-year

About this dam

Data source

official

Storage data: Department of Water and Sanitation (DWS) Weekly State of Dams report, South Africa.

About Jozanashoek Dam

As of October 19, 2026, Jozanashoek Dam is filled to 100.6% of its total capacity, holding 9.6 hm³ of water out of a maximum 9.5 hm³. At this level the reservoir is effectively full.

Over the most recent week on record the fill level has held broadly steady (-0.2 pp), and it is 3.1 points above its level on the same date a year earlier.

Across the readings we hold for Jozanashoek Dam — 20 data points between October 19, 2025 and October 19, 2026 — the level has ranged from a low of 97.5% (October 19, 2025) to a high of 101.5% (September 21, 2026). On average the reservoir is fullest around September and at its lowest around October.

It is operated by DWS South Africa primarily for water supply. It lies within the Vaal-Orange basin.

Key facts

Current fill level
100.6% of total capacity
Water stored
9.6 hm³
Total capacity
9.5 hm³
7-day change
▼ 0.2 pp
Year-on-year
▲ 3.1 pp
Primary use
Water supply
River
Sterkspruit River
River basin
Vaal-Orange
Operator
DWS South Africa
Last updated
October 19, 2026

Recent readings

DateFill levelVolume (hm³)
19 Oct 2026100.6%9.6
12 Oct 2026100.8%9.6
5 Oct 2026100.6%9.6
28 Sep 2026101.1%9.6
21 Sep 2026101.5%9.6
31 Aug 202699.7%9.4
24 Aug 202699.8%9.5
17 Aug 2026100.1%9.5
10 Aug 2026100.1%9.5
3 Aug 2026100.1%9.5
27 Jul 2026100.2%9.5
29 Jun 2026100.4%9.5

See also: South Africa dam levels, explained — how the DWS Weekly State of Dams report becomes the national and provincial figures.