Due to good spring rainfall in Salmas city of West Azerbaijan over the past two months, the Zola dam has reached a normal level of 1510 to 72 million cubic meters of water for the first time since the start of operation, and overflowed on May 10, 1397 Made
Zola Reservoir Dam is located 15 km northwest of Salmas on the Zola Chai River. The dam is a clay core with a crown length of 323 meters and a height of 87 meters in order to supply 9,000 and 272 hectares of water. The agricultural lands of the region and the provision of safe drinking water and industry in the cities of Salmas and the city, as well as providing some of the environmental goals of the National Park of Lake Urmia in April 2010 has been exploited. Regional Water Company of West Azarbaijan province has been involved in designing Zola Reservoir and related structures as employer and consultant engineers of Zistab.