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Reliable access to high-quality source water is the foundation of operational continuity, environmental responsibility, and long-term resilience—for municipalities, industries, and utilities alike.

Your challenges

In today’s climate-sensitive and regulation-driven context, source water management faces mounting complexity and risk.

Water stress and scarcity

Rising demand and climate variability are putting increasing pressure on local water resources. Without a clear understanding of water stress risks, it becomes difficult to ensure reliable and long-term water access.

Impact of climate change on water availability

Changing rainfall patterns, droughts, and groundwater depletion are directly affecting the availability and sustainability of source water. This unpredictability complicates planning and long-term supply assurance.

Limited access to reliable data

Many organizations lack the hydrological and geological data needed to properly assess their water resources. Without access to accurate, site-specific information, it's hard to make informed decisions or take preventive action.

Meeting regulatory and ESG requirements

Companies and public authorities must comply with strict environmental regulations, including water extraction limits and climate disclosure standards. Demonstrating responsible water management is increasingly essential for regulatory compliance and stakeholder trust.

How can NSI meet your needs?

At NSI, we bring decades of expertise in source water management, offering tailored solutions that help clients assess, secure, and sustainably manage their water resources. From evaluating water stress risks to implementing nature-based and energy-efficient systems, our approach aligns with your operational, environmental, and compliance goals. Whether you're facing resource scarcity, regulatory demands, or energy concerns, our expert teams and digital tools enable you to act decisively and sustainably.

Our solutions

  • Municipal
  • Municipal drinking water
  • Municipal wastewater
  • Industrial
  • Food & Beverage
  • Fish processing
  • Pulp & Paper
  • Pharma & personal care
  • Semiconductor industry
  • Mining and minerals
  • Energy

Filter and screening systems

  • Wastewater
  • Drinking water
  • Industrial water
Filter and screening systems remove large particles from surface water and wastewater. By capturing debris early, they prevent pipe blockages and protect your equipment, helping (...)
  • Industrial
  • Mining and minerals
  • Energy
  • Semiconductor industry
  • Pulp & Paper
  • Pharma & personal care
  • Fish processing
  • Food & Beverage
  • Municipal
  • Municipal drinking water
  • Municipal wastewater

Coagulation & Flocculation

  • Industrial water
  • Process water
  • Drinking water
  • Wastewater
Our coagulation and flocculation solutions are engineered to support efficient solid-liquid separation across industrial and municipal applications.
  • Municipal
  • Municipal drinking water
  • Municipal wastewater
  • Industrial
  • Food & Beverage
  • Fish processing
  • Pulp & Paper
  • Pharma & personal care
  • Semiconductor industry
  • Mining and minerals
  • Energy

Dissolved Air Flotation solutions (DAF)

  • Drinking water
  • Wastewater
  • Industrial water
  • PFAS
Our DAF systems are engineered to provide high removal efficiency, operational flexibility, and reliable performance under varying conditions.
  • Industrial
  • Mining and minerals
  • Energy
  • Semiconductor industry
  • Pulp & Paper
  • Pharma & personal care
  • Fish processing
  • Food & Beverage
  • Municipal
  • Municipal drinking water
  • Municipal wastewater

Membrane filtration

  • Process water
  • Industrial water
  • PFAS
  • Micropollutants
  • Wastewater
  • Drinking water
  • Source water
  • Rainwater
At Nijhuis Saur Industries (NSI), part of Saur Group, we deliver membrane filtration solutions that drive water reuse, resource recovery, and environmental compliance. Our membrane (...)

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