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Over 90 Years of Innovation in Water Treatment

Since 1930, CSL Water Quality, Inc. has been delivering customized residential and industrial water treatment solutions. Our expertise spans chemical treatments, automated control systems, and regulatory compliance support, ensuring safe and efficient water systems.
CSL Water Quality Inc.

Complete Water Treatment & Testing Solutions

We Provide Water Treatment Solutions to Protect Systems, Save Energy, and Ensure Compliance

A water drop is shown in the air.

Over 90 Years of Innovation in Water Treatment

Since 1930, CSL Water Quality, Inc. has been delivering customized residential and industrial water treatment solutions. Our expertise spans chemical treatments, automated control systems, and regulatory compliance support, ensuring safe and efficient water systems.

Our Specialized Services

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Customized Water Treatment Solutions

We provide specialized chemical treatments and automated systems for:

  • Boilers
  • Cooling Towers
  • Chilled & Hot Water Systems
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Regulatory Compliance & Safety

Ensure your facility meets water safety regulations with our compliance support, including:

  • ASHRAE Standard 188-2018 Compliance
  • NJ Senate Bill 2188 Legionella Management
  • Water Management & Maintenance Program Plans (WMP & MPP)
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Legionella Risk Mitigation

We help businesses prevent Legionella outbreaks with:

  • Risk Assessments & Testing
  • System Monitoring & Maintenance
  • Disinfection & Remediation Services
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24/7 Support

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Industry-Specific Solutions

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Automated Control Systems

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Industries We Serve

Our expertise extends to a wide range of industries, including:

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Healthcare Facilities

Protect patients with safe water systems

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High-Rise Buildings

Keep HVAC and water systems in top condition

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Industrial Operations

Maintain efficiency with expert water treatment

Join Our Team

Looking for a career in water treatment? We’re hiring water treatment technicians!

  • Hands-on training & career development
  • Flexible service schedules
  • Work with a leader in water safety & compliance
View Open Positions

Where We Operate

CSL Water Quality, Inc. provides water treatment solutions and compliance support at local, regional, and national levels.

On-site water treatment, maintenance, and compliance support for facilities in New Jersey and surrounding areas.

CSL Water Quality Inc.
CSL Water Quality Inc.