Otvice reservoir
| Otvice reservoir | ||
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| Geographical location | Okres Chomutov , Czech Republic | |
| Drain | Hutní potok towards the Zaječice reservoir | |
| Location close to the shore | Chomutov | |
| Data | ||
| Coordinates | 50 ° 28 '24 " N , 13 ° 26' 7" E | |
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| Altitude above sea level | 339 m nm | |
| surface | 16.95 ha | |
| volume | 445,000 m³ | |
The Otvice Reservoir , formerly the Big Pond (Czech Nádrž Otvice or Velký otvický rybník "Big Otvice Pond") is a process water reservoir in the Czech Republic .
geography
The reservoir is located in the North Bohemian Basin, two kilometers northeast of the city center of Chomutov on the Chomutov corridors at 339 m above sea level. M. The dammed water is the Hutní potok, which has its origin in the reservoir. The Ústí nad Labem – Chomutov railway runs north of the lake .
The Otvice Reservoir is the upper and largest of a cascade of three ponds along the Hutní potok to the Otvice municipality . To the east, the Prostřední otvický rybník ( Middle Pond ) and the Malý otvický rybník ( Haberlteich ) join. The immediate west preferred Kamencové jezero ( Alum ) is a residue of an old hole Alaungrube . In the northwest and north are the Kamenný rybník ( stone pond ) and Červený rybník ( red pond ) other small ponds.
history
The former fishing pond Velký otvický rybník was expanded into a reservoir between 1963 and 1967 by the company Wasserbau 06 Jirkov. Its water management use began in 1971 and it became one of the replacement reservoirs for the Dřínov reservoir .
The reservoir has a four meter high dam. This consists of the main dam to the northeast to the Prostřední otvický rybník and a side dam to the southeast. The dam crest has a total length of 1.35 km and is three meters wide at the main dam. The reservoir with a water surface of 16.95 hectares is used for the service water supply and holds 445,000 m³ of water.
Together with the Alaunsee, which serves as a bathing lake, it forms a coherent recreational area. The Otvice reservoir is approved for motor boats and has a 780 m towing stretch for water skiing, which is the longest in the Czech Republic.