isi water water treatment/engineering/consultation in iran

isi water water treatment/engineering/consultation in iran
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  • Is there a mixed wastewater treatment plant in Iran?
  • Annual level of industrial wastewater is about 1.5 billion cubic meters and less than 30 percent of these wastewaters have efficient WWTP’s. Except a few cases, there is no kind of mixed wastewater treatment plant in Iran to combine industrial wastewaters with domestic ones.
  • How many water companies are there in Iran?
  • Evenly spread over Iran’s thirty provinces, each province has one urban and one rural water and wastewater company (WWC). The 60 companies had 38,000 employees. Only Tehran has two separate companies for water and sewerage. In all other provinces, water and sanitation services are provided together.
  • How many municipal wastewater plants are there in Iran?
  • Now, Iran’s 129 municipal wastewater treatment plants cover 13 million inhabitants and generates more than 2,425,000 cubic meters of treated wastewater per day.(Table 2) Municipal wastewater is mainly domestic and goes through secondary biological treatment. No further treatment is provided due to cost.
  • Will Iran suffer from a lack of water in 2025?
  • The renewable water per capita in Iran was 1830 m3/a in 1996, but in 2025 will be only 1200 m3/a. Considering these figures it is likely that Iran might suffer from a lack of water in future and in fact, in some regions of the country, water scarcity is already a problem today.