This Standard is formulated for the purpose of implementing the Environmental Protection Law of the People's Republic of China, Regulations on Environmental Management of Construction Projects and Technical Guidelines for Environmental Impact Assessment. The current Standard specifies the general principle, method, contents and requirements for EIA of surface water environment. It is applicable to surface water environmental impact assessment of the construction projects of industrial enterprises and institutions. Surface water environmental impact assessment of other construction projects may apply this Standard accordingly.

Technical gnidelines for environmental impact assessment-Surfacewater environment  (HJ/T 2.3-93)