Environmental pollutions 1 Environmental sector 1 Externalities 1 Infrastructure development 1 Lead removal (water treatment) 1 Optimal allocation 1 Quality management 1 Quantity–quality management 1 Social planner Social planners 1 Treated wastewater reuse 1 Wastewater disposal 1 Wastewater reclamation 1 Wastewater reuse 1 Wastewater treatment 1 Water conservation 1 Water resources 1 infrastructural development 1 optimization 1 qualitative analysis 1 quantitative analysis 1 recycling 1 sustainability 1 wastewater treatment 1 water availability 1 water planning 1 water resource 1 water use efficiency 1