Grootdraai Dam Level Today

Grootdraai sits upstream of the Vaal Dam on the Vaal River and is a critical source for Sasol's Secunda complex and Eskom's Mpumalanga power stations. It feeds into the Integrated Vaal River System that supplies Gauteng.

Grootdraai Dam has a full supply capacity of 349.7 million cubic metres (Mm3) and sits on the Vaal River in Mpumalanga. At 100.4% full, the dam currently holds roughly 351.1 Mm3 of water, equivalent to about 351119 million litres.

The dam is at or near full capacity. No water supply concerns are expected at this level.

Restriction thresholds to watch: most municipalities begin issuing warning notices when a supply dam drops below 50%, introduce Level 1 restrictions around 40%, and escalate further below 30%. Exact thresholds vary by water authority.

Grootdraai Dam supplies water to Secunda and Standerton.

Key supply areas: Secunda, Standerton.

Is Grootdraai Dam running dry?

No, Grootdraai Dam is not running dry. At 100.4% full, the dam has adequate water reserves.

When was Grootdraai Dam last full?

Based on available weekly data, Grootdraai Dam most recently reached 99%+ full around 2026-04-20.

What cities does Grootdraai Dam supply?

Grootdraai Dam supplies water to Secunda and Standerton. Grootdraai sits upstream of the Vaal Dam on the Vaal River and is a critical source for Sasol's Secunda complex and Eskom's Mpumalanga power stations. It feeds into the Integrated Vaal River System that supplies Gauteng.

What river is Grootdraai Dam on?

Grootdraai Dam is on the Vaal River in Mpumalanga. Other dams on the Vaal River include Vaal Dam, Bloemhof Dam, Vaal Barrage.

How is the Grootdraai Dam level trending?

Grootdraai Dam is currently at 100.4% full. The level is stable, with a change of only 0.3% from last week. The level is similar to the same period last year (103.5%).