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Dam · Eastern Cape · South Africa · DWS

Nahoon Dam

99.9% full

Total capacity

19.3 hm³

River

Nahoon River

Basin

Mzimvubu-Tsitsikamma

Primary use

water supply

Operator

DWS South Africa

Coordinates

32.910°S, 27.811°E

Last updated

2026-10-19

Current fill

99.9%
High

vs 7 days ago

-0.3 pp

losing

vs 1 year ago

+14.6 pp

year-over-year

7-day trend

→

stable

Drought context

Rain over the last three months · 11 October 2026

Very wet

In the three months to 11 October 2026 the area around Nahoon Dam had much more rain than normal, seen about one year in fifteen. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index +1.50). Rain, not storage. 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.

Catchment Weather

Past 30 days + 14-day forecast · Open-Meteo

Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 32.910°S, 27.811°E · Open in Google Maps

About Nahoon Dam

As of October 19, 2026, Nahoon Dam is filled to 99.9% of its total capacity, holding 19.3 hm³ of water out of a maximum 19.3 hm³. At this level the reservoir is high.

Over the most recent week on record the fill level has held broadly steady (-0.3 pp), and it is 14.6 points above its level on the same date a year earlier.

Across the readings we hold for Nahoon Dam — 20 data points between October 19, 2025 and October 19, 2026 — the level has ranged from a low of 72.4% (June 3, 2026) to a high of 101.7% (September 21, 2026). On average the reservoir is fullest around September and at its lowest around May.

It is operated by DWS South Africa primarily for water supply. It lies within the Mzimvubu-Tsitsikamma basin at 32.910°S, 27.811°E.

Key facts

Current fill level
99.9% of total capacity
Water stored
19.3 hm³
Total capacity
19.3 hm³
7-day change
▼ 0.3 pp
Year-on-year
▲ 14.6 pp
Primary use
Water supply
River
Nahoon River
River basin
Mzimvubu-Tsitsikamma
Operator
DWS South Africa
Coordinates
32.910°S, 27.811°E
Last updated
October 19, 2026

Recent readings

DateFill levelVolume (hm³)
19 Oct 202699.9%19.3
12 Oct 2026100.2%19.3
5 Oct 2026100.4%19.4
28 Sep 2026101.1%19.5
21 Sep 2026101.7%19.6
31 Aug 202688.3%17
24 Aug 202689.3%17.2
17 Aug 202689.3%17.2
10 Aug 202687.0%16.8
3 Aug 202686.7%16.7
27 Jul 202673.4%14.1
29 Jun 202678.1%15

Nearby reservoirs

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