Dam · KwaZulu-Natal · South Africa · DWS
Spring Grove Dam
76.6% full
Total capacity
139.3 Mm³
River
Mooi River
Basin
Unknown
Primary use
water supply
Operator
DWS South Africa
Coordinates
-29.319°S, 29.966°E
Last updated
2026-08-31
Current fill
76.6%vs 7 days ago
-1.6%losing
vs 1 year ago
N/A7-day trend
↓falling
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. -29.319, 29.966 · Open in Google Maps
About Spring Grove Dam
As of August 31, 2026, Spring Grove Dam is filled to 76.6% of its total capacity, holding roughly 107 Mm³ of water out of a maximum 139 Mm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has fallen by 1.6 percentage points.
Across the readings we hold for Spring Grove Dam — 14 data points between May 31, 2026 and August 31, 2026 — the level has ranged from a low of 76.6% (August 31, 2026) to a high of 99.0% (May 31, 2026).
It is operated by DWS South Africa primarily for water supply. It lies within the Unknown basin at 29.319°S, 29.966°E.
Key facts
- Current fill level
- 76.6%
- Water stored
- 107 Mm³
- Total capacity
- 139 Mm³
- 7-day change
- ▼ 1.6 pts
- Primary use
- Water supply
- River
- Mooi River
- River basin
- Unknown
- Operator
- DWS South Africa
- Coordinates
- 29.319°S, 29.966°E
- Last updated
- August 31, 2026
Recent readings
| Date | Fill level | Volume (Mm³) |
|---|---|---|
| 31 Aug 2026 | 76.6% | 107 |
| 24 Aug 2026 | 78.2% | 109 |
| 17 Aug 2026 | 79.8% | 111 |
| 10 Aug 2026 | 81.0% | 113 |
| 3 Aug 2026 | 82.6% | 115 |
| 27 Jul 2026 | 84.2% | 117 |
| 29 Jun 2026 | 90.7% | 126 |
| 22 Jun 2026 | 92.4% | 129 |
| 16 Jun 2026 | 95.8% | 133 |
| 9 Jun 2026 | 95.8% | 133 |
| 8 Jun 2026 | 97.5% | 136 |
| 7 Jun 2026 | 97.5% | 136 |
Nearby reservoirs
See also: South Africa dam levels, explained — how the DWS Weekly State of Dams report becomes the national and provincial figures.