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Clean Water.
Clear Choice.

Specializing in Water Chlorination, Water Sterilization, and Water Testing Services Since 1977

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Chicagoland's Water
Chlorination Experts

When you need water chlorination of underground or above-ground potable water lines, rely on Chlorinating Ltd. to get the job done quickly, efficiently, and cost-effectively. Since 1977, Chlorinating Ltd. has delivered exceptional water chlorination services to customers across Chicagoland, Northwest Indiana, and Southern Wisconsin.

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A large body of water with many boats in it.

Why choose Chlorinating Ltd.
for your next job?

  • We provide a full range of water chlorination, water sterilization, and water testing services throughout Chicagoland.
  • We are the oldest and most experienced chlorinating contractor in the Tri-State area.
  • Our professionals bring extensive knowledge in managing critical projects, along with outstanding customer service.
  • We've successfully completed projects for some of the most high-profile, respected corporations and landmark buildings in the region, like O'Hare Airport, Halas Hall, Rush Hospital, Amtrak, and the Willis Tower.
  • Our management team and workforce are cost-conscious, flexible, and deadline-driven to meet your timeline and budget.
  • We have respected working relationships with plumbers, contractors, mechanical contractors, and cities, towns, and villages throughout Chicagoland that come back to us again and again.
  • Our testing labs follow standards established by the Environmental Protection Agency, American Water Works Association, and Departments of Public Health to ensure quality and reliability.
  • We service the entire Tri-State area, including Chicago's north, west, and south suburbs and Northwest Indiana and Southern Wisconsin.
  • We are a proud member of the Underground Contractors Association of Illinois and the American Water Works Association, ensuring we provide the safest and most professional level of service in the industry.
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