Froschgrundsee

Froschgrundsee also known as Schönstädtspeicher is a retention basin to protect the city of Coburg in Bavaria from the flooding of the Itz, Effelder, and the Grümpen. It lies in the municipality of Rödental in Upper Franconia. Froschgrundsee was completed in 1986 after four years of construction and cost 43 million DM in operations.[1]

Froschgrundsee
View of Froschgrundsee in 2009, in the back is the Froschgrundsee Bridge.
Coordinates50°21′0″N 11°1′42″E
Construction began1982 - 1986
Dam and spillways
Height (foundation)18 m
Height (thalweg)3407 m
Length350 m
Elevation at crest359 m
Width (crest)9 m
Dam volume420000 m³
Reservoir
Total capacity69 Mio. m³
Active capacity66 Mio. m³
Catchment area11084 km²
Surface area94 ha
Normal elevation3445 m

References

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