| Kromfonteinlower (Wilge) Cofferdam | |
| Name Official: | Kromfonteinlower (Wilge) Cofferdam |
| Dam Crosses: | Steenkool Spruit |
| Res Name: | Kromfonteinlower Reservoir |
| Location: | Mpumalanga, South Africa |
| Operator: | Department of Water Affairs and Forestry |
| Dam Length: | 780 m |
| Dam Height: | 15 m |
| Dam Type: | rockfill |
| Opening: | 1992 |
| Res Capacity Total: | 13 000 000 m³ |
| Res Surface: | 30 ha |
| Coordinates: | -26.0833°N 29.25°W |
Kromfonteinlower (Wilge) Cofferdam is a rockfill type dam located on the Steenkool Spruit, near Witbank, Mpumalanga, South Africa. It was established in 1992 and its primary purpose is to serve for river diversion. The hazard potential of the dam has been ranked significant (2).