The management of wastewater and solid waste is one of Sinclair Knight Merz longest established businesses. The range of services includes:

• Sewerage systems both the design and layout of new systems and the assessment and rehabilitation of existing systems   
• Design of treatment plants to treat municipal and industrial wastewaters   
• Management of on site wastewater systems to provide environmental protection and proper disposal of residues   
• Drainage systems to minimise flooding but also to provide good separation between wastewaters and solid waste and the drainage   
• Solid waste collection including transfer systems  
• Recycling and reuse of treated effluents, biosolids and solid products  
• Disposal including the design of landfills to minimise environmantal impacts

Work in these areas has included

• Strategies   
• Masterplanning   
• Concept and detail design   
• Operation and maintenance   
• Institutional reform and strengthening

Projects that illustrate this experience are the masterplanning of water, sanitation, drainage and institutional aspects for Bangalore, design and construction supervision for a sewerage system and treatment plant serving 2 million persons in Bankok, institutional strengthening of the sanitation company in Da Nang, Vietnam and provision of infrastructure to improve water quality in the Pasig River,Manila and Hikkaduwa, Sri Lanka.