Omani authorities will spend 1.6 billion Omani riyals ($4.2bn) on utility and water projects in the governorate of Muscat in the coming years, Omar Al-Wuhaibi, CEO of Oman Wastewater Services Company, said in a press statement on Sunday. He said the forecast spending would cover projects, inclduing water treatment plants and water networks, in the Muscat region till 2017. The overall cost of the projects, currently under execution in various regions of the sultanate, has amounted to 562 million riyals, he said.