← KwaZulu-Natal

Dam · KwaZulu-Natal · South Africa · DWS

Inanda Dam

99.3% full

Total capacity

237.5 hm³

River

Umgeni

Basin

Pongola-Mtamvuna

Primary use

water supply

Operator

Umgeni Water

Coordinates

29.700°S, 30.883°E

Last updated

2026-10-19

Current fill

99.3%
High

vs 7 days ago

-0.5 pp

losing

vs 1 year ago

-1.3 pp

year-over-year

7-day trend

→

stable

Drought context

Rain over the last three months · 11 October 2026

Near normal

In the three months to 11 October 2026 the area around Inanda Dam had rain close to normal for the season. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −0.19). Rain, not storage. South Africa drought figures →

Weekly storage

Fill history — multi-year

About this dam

Dam height

65 m

Year built

1988

Dam type

Earthfill

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. 29.700°S, 30.883°E · Open in Google Maps

About Inanda Dam

As of October 19, 2026, Inanda Dam is filled to 99.3% of its total capacity, holding 235.8 hm³ of water out of a maximum 237.5 hm³. At this level the reservoir is high.

Over the most recent week on record the fill level has held broadly steady (-0.5 pp), and it is 1.3 points below its level on the same date a year earlier.

Across the readings we hold for Inanda Dam — 20 data points between October 19, 2025 and October 19, 2026 — the level has ranged from a low of 96.0% (August 31, 2026) to a high of 100.9% (June 3, 2026). On average the reservoir is fullest around May and at its lowest around August.

The dam at Inanda Dam stands 65 m tall and is a earthfill dam and was completed in 1988. It is operated by Umgeni Water primarily for water supply. It lies within the Pongola-Mtamvuna basin at 29.700°S, 30.883°E.

Key facts

Current fill level
99.3% of total capacity
Water stored
235.8 hm³
Total capacity
237.5 hm³
7-day change
▼ 0.5 pp
Year-on-year
▼ 1.3 pp
Primary use
Water supply
River
Umgeni
River basin
Pongola-Mtamvuna
Dam height
65 m
Year completed
1988
Operator
Umgeni Water
Coordinates
29.700°S, 30.883°E
Last updated
October 19, 2026

Recent readings

DateFill levelVolume (hm³)
19 Oct 202699.3%235.8
12 Oct 202699.8%237
5 Oct 202699.9%237.3
28 Sep 202699.3%235.8
21 Sep 202697.9%232.5
31 Aug 202696.0%227.9
24 Aug 202696.7%229.6
17 Aug 202697.1%230.5
10 Aug 202696.9%230
3 Aug 202697.4%231.2
27 Jul 202698.0%232.7
29 Jun 202699.0%235

Nearby reservoirs

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