New rules aim at attracting social capital in wastewater treatment plants, making the best discharger survive, improving environmental quality by using these rules.

• 新规则旨在通过环境管理部门的政策导向来引导市场，从而实现排污源的优胜劣汰、刺激社会资本对污水处理厂的投资、促进流域水污染控制的可持续性。