Madra dam
| Madra dam | |||||||||
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| Coordinates | 39 ° 14 '14 " N , 26 ° 50' 32" E | ||||||||
| Data on the structure | |||||||||
| Lock type: | Rock embankment dam with a clay core | ||||||||
| Construction time: | 1991-1998 | ||||||||
| Height above valley floor: | 87 m | ||||||||
| Height above foundation level : | 92 m | ||||||||
| Building volume: | 3 170 000 m³ | ||||||||
| Data on the reservoir | |||||||||
| Water surface | 2.67 km² | ||||||||
| Storage space | 79 million m³ | ||||||||
The Madra Dam ( Turkish Madra Barajı ) is a dam on Madra Çayı, a tributary of the Aegean Sea , on the provincial border of Balıkesir and İzmir in northwestern Turkey .
The Madra Dam is located 6 km east of the town of Altınova and 15 km south of the district town of Ayvalık in the hinterland of the coast. It was built in 1991-1998 to irrigate an area of 7872 hectares and to supply drinking water . The barrier structure is an 87 m high stone embankment with a clay core . The dam volume is 3.17 million m³. The reservoir covers an area of 2.67 km² with normal damming. The storage space is 79 million m³.