|Data on the structure|
|Height above foundation level :||15 m|
|Building volume:||5 000 m³|
|Crown length:||130 m|
|Data on the reservoir|
|Water surface||35 ha|
|Storage space||1.6 million m³|
It is used for power generation , flood protection and local recreation. The reservoir is located in the Kirnbergsee landscape protection area , which also includes the surrounding areas. The Brändbach is dammed in the river basin of the Breg .
The barrier structure is a curved concrete gravity dam with a quarry stone cladding. It was renovated in 2000 and was the first dam in Germany to be sealed with a plastic sealing membrane ( geomembrane ) made of PVC on the water side . In 1955 the wall was reinforced with concrete on the waterfront.
The power of the hydropower plant is 300 kW. It generates 0.7 GWh per year. It is operated by the city of Bräunlingen.
The Kirnbergsee has been rated as excellent quality since 2008 according to the bathing water directive 2006/7 / EC .
- Dietmar Veyhle and Jürgen Köngeter: The Brändbachtalsperre - first renovation of a dam with a geomembrane in Germany . Water management 4/2003.
- DLRG rescue station at Kirnbergsee
- Page no longer available , search in web archives: Rehabilitation of the Brändbach Dam ) (