Dam · Free State · South Africa · DWS
Bloemhof Dam
99.9% full
Total capacity
1,243 Mm³
River
Vaal
Basin
Vaal
Primary use
water supply
Operator
DWS
Coordinates
-27.633°S, 25.617°E
Last updated
2026-10-05
Current fill
99.9%vs 7 days ago
-9.1%losing
vs 1 year ago
N/A7-day trend
↓falling
Weekly storage
Fill history — multi-year
About this dam
Dam height
33 m
Year built
1970
Dam type
Gravity
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. -27.633, 25.617 · Open in Google Maps
About Bloemhof Dam
As of October 5, 2026, Bloemhof Dam is filled to 99.9% of its total capacity, holding roughly 1,242 Mm³ of water out of a maximum 1,243 Mm³. At this level the reservoir is high.
Over the most recent week on record the fill level has fallen by 9.1 percentage points.
Across the readings we hold for Bloemhof Dam — 17 data points between May 31, 2026 and October 5, 2026 — the level has ranged from a low of 99.9% (October 5, 2026) to a high of 109.8% (August 24, 2026). On average the reservoir is fullest around September and at its lowest around October.
The dam at Bloemhof Dam stands 33 m tall and is a gravity dam and was completed in 1970. It is operated by DWS primarily for water supply. It lies within the Vaal basin at 27.633°S, 25.617°E.
Key facts
- Current fill level
- 99.9%
- Water stored
- 1,242 Mm³
- Total capacity
- 1,243 Mm³
- 7-day change
- ▼ 9.1 pts
- Primary use
- Water supply
- River
- Vaal
- River basin
- Vaal
- Dam height
- 33 m
- Year completed
- 1970
- Operator
- DWS
- Coordinates
- 27.633°S, 25.617°E
- Last updated
- October 5, 2026
Recent readings
| Date | Fill level | Volume (Mm³) |
|---|---|---|
| 5 Oct 2026 | 99.9% | 1,242 |
| 28 Sep 2026 | 109.0% | 1,355 |
| 21 Sep 2026 | 109.0% | 1,355 |
| 31 Aug 2026 | 109.6% | 1,362 |
| 24 Aug 2026 | 109.8% | 1,365 |
| 17 Aug 2026 | 108.0% | 1,342 |
| 10 Aug 2026 | 106.4% | 1,323 |
| 3 Aug 2026 | 106.4% | 1,323 |
| 27 Jul 2026 | 106.8% | 1,327 |
| 29 Jun 2026 | 104.5% | 1,299 |
| 22 Jun 2026 | 105.0% | 1,305 |
| 16 Jun 2026 | 105.8% | 1,315 |
Nearby reservoirs
See also: South Africa dam levels, explained — how the DWS Weekly State of Dams report becomes the national and provincial figures.