Human communities now feel more seriously concerned about environmental crises and lack of water resources. To solve such problems, environmental regulations should be made in developmental plans. Human and nature have a mutual relationship. Human exploits nature an attempts to take control of it in order to improve lifestyles and achieve his goals. Environment seriously influences human’s life and it might determine conditions which can severely pose threat to his convenience. Thus, environmental assessment study including assessment of developmental effects on environment becomes dramatically important.

Water and wastewater projects are to be environmentally assessed. What’s really important is to consider some projects defined for environment conservation at first glance have posed risks and threats in a long-term period.