Demirtaş dam
| Demirtaş dam | |||||||||
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| Coordinates | 40 ° 17 '17 " N , 29 ° 6' 51" E | ||||||||
| Data on the structure | |||||||||
| Lock type: | Earth-stone embankment | ||||||||
| Construction time: | 1977-1983 | ||||||||
| Height above valley floor: | 46 m | ||||||||
| Height above foundation level : | 54 m | ||||||||
| Building volume: | 1 714 000 m³ | ||||||||
| Data on the reservoir | |||||||||
| Water surface | 1.1 km² | ||||||||
| Storage space | 14.5 million m³ | ||||||||
The Demirtaş Dam ( Turkish Demirtaş Barajı ) is a dam on the Ballıkaya Deresi stream, a tributary of the Nilüfer Çayı , on the northeastern outskirts of the provincial capital Bursa in the province of the same name in northwest Turkey .
It was built between 1977 and 1983 with the purpose of irrigation and the supply of industrial water . The barrier structure is a 46 m high earth-stone embankment dam. The dam volume is 1,714,000 m³. The reservoir covers an area of 1.1 km² with normal damming. The storage space is 14.5 million m³. The dam is used to irrigate an area of 1710 ha.