Dam · Mpumalanga · South Africa · DWS
Heyshope Dam
101.1% full
Total capacity
445 Mm³
River
Assegaai
Basin
Inkomati
Primary use
water supply
Operator
DWS
Coordinates
-26.867°S, 30.800°E
Last updated
2026-06-09
Current fill
101.1%vs 7 days ago
-0.1%losing
vs 1 year ago
N/A7-day trend
→stable
Weekly storage
Fill history — multi-year
About this dam
Dam height
64 m
Year built
1986
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. -26.867, 30.800 · Open in Google Maps
About Heyshope Dam
As of June 9, 2026, Heyshope Dam is filled to 101.1% of its total capacity, holding roughly 450 Mm³ of water out of a maximum 445 Mm³. At this level the reservoir is effectively full.
Over the most recent week on record the fill level has held broadly steady (-0.1 pts).
Across the readings we hold for Heyshope Dam — 5 data points between May 31, 2026 and June 9, 2026 — the level has ranged from a low of 101.1% (June 9, 2026) to a high of 101.4% (May 31, 2026).
The dam at Heyshope Dam stands 64 m tall and is a earthfill dam and was completed in 1986. It is operated by DWS primarily for water supply. It lies within the Inkomati basin at 26.867°S, 30.800°E.
Key facts
- Current fill level
- 101.1%
- Water stored
- 450 Mm³
- Total capacity
- 445 Mm³
- 7-day change
- ▼ 0.1 pts
- Primary use
- Water supply
- River
- Assegaai
- River basin
- Inkomati
- Dam height
- 64 m
- Year completed
- 1986
- Operator
- DWS
- Coordinates
- 26.867°S, 30.800°E
- Last updated
- June 9, 2026
Recent readings
| Date | Fill level | Volume (Mm³) |
|---|---|---|
| 9 Jun 2026 | 101.1% | 450 |
| 8 Jun 2026 | 101.2% | 450 |
| 7 Jun 2026 | 101.2% | 450 |
| 3 Jun 2026 | 101.2% | 450 |
| 31 May 2026 | 101.4% | 451 |
Frequently asked questions
What is the current water level of Heyshope Dam?
As of June 9, 2026, Heyshope Dam is at 101.1% of its capacity, holding approximately 450 Mm³ of water, according to DWS South Africa data.
Is Heyshope Dam reservoir full?
Heyshope Dam is essentially full, sitting at 101.1% of capacity as of June 9, 2026.
Is the water level at Heyshope Dam rising or falling?
The level at Heyshope Dam has been broadly stable over the latest week on record (-0.1 points).
How much water can Heyshope Dam hold?
Heyshope Dam has a total capacity of 445 Mm³.
Where is Heyshope Dam reservoir located?
Heyshope Dam is located in Mpumalanga, South Africa, within the Inkomati basin (coordinates 26.867°S, 30.800°E).
When was Heyshope Dam dam built?
The dam at Heyshope Dam was completed in 1986.
What is Heyshope Dam used for?
Heyshope Dam is used primarily for water supply, and is managed by DWS.