Economic loss analysis of environmental impacts by wastewater irrigation

According to the requirements of cost-benefit analysis, and based on the existing approach of addition of various expense direct from the receptor items, approachs of preventive expenditure and treatment expenditure are presented to evaluate the economic losses of environmental impacts of wastewater irrigation. Based on the investigation and research in Shijiazhuang, the losses of wastewater irrigation are estimated. The results show that the economic losses from the wastewater irrigation amount to about 57% of agricultural crops, and the losses from the pollution effects on the public health amount to about 62% of the total losses.