Obersee
The Obersee between Einruhr and Rurberg
LocationBorough of Aachen, North Rhine-Westphalia (Germany)
Coordinates50°36′00″N 6°23′20″E / 50.600°N 6.389°E / 50.600; 6.389
Construction began?–1959[1]
Dam and spillways
ImpoundsRur, Urft
Height (foundation)33 m[1]
Height (thalweg)27 m[2]
Length280 m[1]
Elevation at crest283 m above sea level (NN)[1][3]
Width (crest)14.0 m[1]
Width (base)135 m[1]
Dam volume320,000 m3[1]
Reservoir
Total capacity23 M m3[4]
Active capacity17.9 or 20.8 M m3[2]
Maximum length– 4.8 Rur river km
   (nur Obersee)[5]
– 5.15 Rur river km
   (Obersee and pre-dam)[5]
– 13.4 km
   (to the head of the reservoir)
Normal elevation279.6 m above sea level (NN)[1][3]
The Obersee and Einruhr
The Obersee and Urft Dam. Left: the Obersee (pre-dam of the Rur Dam); right: the overfilled dam foot with spillway of the Urft Reservoir

The Obersee near Simmerath in the borough of Aachen is the main forebay of the Rur Reservoir on the River Rur in the Eifel mountains of Germany. Its barrier is the Paulushofdamm. The reservoir, like that of the Rur Dam, belongs to the Eifel-Rur Water Company (Wasserverband Eifel-Rur). The reservoir provides drinking water.

Location

The dam system, which comprises the Paulushofdamm and Obersee, lies in the Rur Eifel, a part of the North Eifel, southwest of the Kermeter, north of the Dreiborn Plateau and east of the Monschau Hedge Land near Simmerath (borough of Aachen). It is located immediately below the Urft Dam, which impounds the waters of the Urft that flow from the east to create the Urft Reservoir, and immediately above the Rur Dam which impounds the waters of the Rur to form the Rur Reservoir. While the dam belongs to the High Fens-Eifel Nature Park, the large eastern arm of the Obersee in the north lies within the Eifel National Park.

Photos

See also

References

  1. 1 2 3 4 5 6 7 8 "Die Rurtalsperre" (PDF; 1,65 MB). wver.de. Wasserverband Eifel-Rur (WVER). Retrieved 2016-05-07.
  2. 1 2 unknown / unresearched source
  3. 1 2 Hinweis zu Höhenangaben: "NHN-Höhe = NN-Höhe + 0,036 m";
    siehe S. 2 → Fußzeile in Die Rurtalsperre, Wasserverband Eifel-Rur (WVER), retrieved 7 May 2016, auf wver.de (PDF; 1,65 MB)
  4. ↑ "Stauanlagenverzeichnis Nordrhein-Westfalen" (PDF; 121,1 KB). Landesamt für Natur, Umwelt und Verbraucherschutz Nordrhein-Westfalen-LANUV. 2005-10-20. Retrieved 2013-09-09.
  5. 1 2 Topographic Information Management, Cologne - NRW GEObasis Division (info)
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