Graureihersee
| Graureihersee | |
|---|---|
 | |
  Graureihersee Location within Saxony | |
| Location | Saxony |
| Coordinates | 51°23′35″N 14°20′3″E / 51.39306°N 14.33417°E |
| Basin countries | Germany |
Surface area | 1.37 km2 (0.53 sq mi) |
| Max. depth | 25 m (82 ft) |
Water volume | 3,000,000 m3 (110,000,000 cu ft) |
| Settlements | Hoyerswerda |
Graureihersee (translates to Grey Heron Lake in English) is a lake in Saxony, Germany. It is a part of the Lusatian Lake District. Its surface area is 1.37km² (0.53 mi2) and it's water pH is 6.5. Over 330 grey heron pairs have been identified since 1995.
Origin
In 1945, the Werminghoff I open-pit mine closed. Until the late 1990s, residual pits D and F from the mine were used for industrial settling basin purposes and deposition of ash, coal slurry, slag, and industrial/household waste. Among other factors, rising groundwater level created two bodies of water in residual pits D and F. In 1970, the two residual pits were denominated a protected site. Landslides in 1996–97 damaged floating islands and collapsed the dam between the two residual pits and created combined body of water.
History
In 2000, the local council named the basin Graureihersee, after gray heron colonies there since 1995. Controlled flooding into the lake concluded 2004.
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References
- 1 2 "Knappensee & Graureihersee" (PDF). LMBV. Retrieved 11 July 2025.
- ↑ "Fakten vom Graureihersee". Seen.de (in German). Retrieved 2026-06-11.
- 1 2 "Graureihersee". www.lausitzerseenland.de. Retrieved 2026-06-11.
- 1 2 3 "Werminghoff/Knappenrode" (PDF). LMBV. pp. 12, 20, 25, 30. Retrieved 11 June 2026.
- 1 2 "Graureihersee | Objektansicht". www.kuladig.de (in German). Retrieved 2026-06-11.
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