60 Wastewater Plants Under Construction

Sixty wastewater plants are under construction in the country and should be operational by next August, deputy energy minister for water affairs said.
Work is in progress and in four decades the number of plants has increased 40 times, IRNA reported Ghasem Taghizadeh Khamesi as saying
“There were four sewage treatment plants in the late 1970s. Now it is 235 and 65 were built in the past seven years,” he said.