wastewater treatment plant

EghtesadOnline: With completion of the first phase of the Zanjan Wastewater Treatment Plant, it now covers over 220,000 people in the northwestern city.

EghtesadOnline: To help ease the water crisis in the drought-stricken central plateau, a wastewater treatment plant will become operational in Ezhieh in Isfahan Province, head of the provincial water company said.