At Koster, we translate smart concepts into practical solutions. We design, build and optimize installations and pilot systems for both drinking water and wastewater treatment. 

This enables us to support municipalities, drinking water companies, water authorities and technology partners. 

Thanks to our knowledge of the entire water chain, from drinking water production to wastewater treatment, energy and resource recovery, we know exactly what is needed in practice.

Current challenges

• Water scarcity and drought
• Increasing pollution of groundwater and surface water
• Stricter requirements for water quality and discharges
• Growing demand for drinking water
• Aging water infrastructure
• Limited energy availability
• Higher sustainability targets
• Need for energy and resource recovery

Drinking water treatment & innovation

As a technology specialist, Koster is at home in all aspects of the drinking water sector. We build and supply systems that prove themselves in practice, from flexible pilot systems to full-scale drinking water treatment installations in the Netherlands.

Our water technology solutions

With over 25 years of experience supporting and relieving public organizations and partners in municipal water management, Koster has developed into a leading specialist. Among other things, we deliver:

• Design and construction of pilot systems and test units for water technology
• Water conservation and reuse of rinse water and process water
• Removal of micropollutants such as pharmaceutical residues and PFAS
• Energy generation and biogas production from sewage sludge
• Sustainable, modular and future-oriented construction of water installations