Metro Group Inc
  • The Metro Group Customer Portal
  • sign in
  • Learn More
  • Safety Data Sheet
  • Home
  • About Us
  • Products & Services
    • New York Tri-State
      • Water Treatment
        • HVAC Water Treatment
          • Reduce Energy Cost With Water Treatment
          • Boiler Water Treatment
          • Cooling Towers
          • Closed Loops
        • Industrial Water Treatment
          • Process & Waste Water
          • Pure Waters
        • Potable/Domestic Water Systems
        • Chemical Feed & Control Equipment
          • Automatic Feed & Control
          • Filter Feeders
          • Installation
        • Pretreatment
          • Sand Filters
          • Water Softners
        • Glycol
        • Services For HVAC Contractors, New Construction & Rehab
        • Remote Monitoring & Control
        • Legionella Water Management
          • Turn-Key Water Management Plans
          • Remediation
          • Secondary Disinfection
        • Specialty Cleanings
          • Heat Exchanger Cleanings
          • Boil Outs
          • Acid Cleanings
          • Tower Cleanings
          • Neutralizers
          • Coil Cleanings For Air Handling Units
          • Ice Machine Cleaning
        • Laboratory Services
        • Endotherm
      • Green Roofs
      • Local Law 97
      • Covid19 Solutions Center
      • Cooling Tower Compliance Overview
      • NYC Cooling Tower Compliance
      • NYS Cooling Tower Compliance
      • DOB/DEP Compliance
      • Emergency Service
      • HVAC Installations
      • HVAC Services & Repairs
      • Fuel Conversions
      • Boiler Services and Repairs
      • Boiler Replacements / Installations
      • Additional Mechanical Room Services
      • Drinking Water Tank Services
      • Drinking Water Services
      • Chimney Services
      • Licensed Electrical Services
      • Plumbing Services
      • Chute Cleaning
    • Central-Upstate New York
      • Water Treatment
        • HVAC Water Treatment
          • Reduce Energy Cost With Water Treatment
          • Boiler Water Treatment
          • Cooling Towers
          • Closed Loops
        • Industrial Water Treatment
          • Process & Waste Water
          • Pure Waters
        • Potable/Domestic Water Systems
        • Chemical Feed & Control Equipment
          • Automatic Feed & Control
          • Filter Feeders
          • Installation
        • Pretreatment
          • Sand Filters
          • Water Softners
        • Glycol
        • Services For HVAC Contractors, New Construction & Rehab
        • Remote Monitoring & Control
        • Legionella Water Management
          • Turn-Key Water Management Plans
          • Remediation
          • Secondary Disinfection
        • Specialty Cleanings
          • Heat Exchanger Cleanings
          • Boil Outs
          • Acid Cleanings
          • Tower Cleanings
          • Neutralizers
          • Coil Cleanings For Air Handling Units
          • Ice Machine Cleaning
        • Laboratory Services
        • Endotherm
      • Safety & Hygiene Products
        • Hand Sanitizer & Spray Disinfectant
        • Dispensers - Wall Mounted, Refillable
        • Janitorial Services
        • Stagnant Water - Hyper - Chlorination For Building Reopening
        • Face Coverings
    • New England
      • Water Treatment
        • HVAC Water Treatment
          • Reduce Energy Cost With Water Treatment
          • Boiler Water Treatment
          • Cooling Towers
          • Closed Loops
        • Industrial Water Treatment
          • Process & Waste Water
          • Pure Waters
        • Potable/Domestic Water Systems
        • Chemical Feed & Control Equipment
          • Automatic Feed & Control
          • Filter Feeders
          • Installation
        • Pretreatment
          • Sand Filters
          • Water Softners
        • Glycol
        • Services For HVAC Contractors, New Construction & Rehab
        • Remote Monitoring & Control
        • Legionella Water Management
          • Turn-Key Water Management Plans
          • Remediation
          • Secondary Disinfection
        • Specialty Cleanings
          • Heat Exchanger Cleanings
          • Boil Outs
          • Acid Cleanings
          • Tower Cleanings
          • Neutralizers
          • Coil Cleanings For Air Handling Units
          • Ice Machine Cleaning
        • Laboratory Services
        • Endotherm
      • Safety & Hygiene Products
        • Hand Sanitizer & Spray Disinfectant
        • Dispensers - Wall Mounted, Refillable
        • Janitorial Services
        • Stagnant Water - Hyper - Chlorination For Building Reopening
        • Face Coverings
    • South East
      • Water Treatment
        • HVAC Water Treatment
          • Reduce Energy Cost With Water Treatment
          • Boiler Water Treatment
          • Cooling Towers
          • Closed Loops
        • Industrial Water Treatment
          • Process & Waste Water
          • Pure Waters
        • Potable/Domestic Water Systems
        • Chemical Feed & Control Equipment
          • Automatic Feed & Control
          • Filter Feeders
          • Installation
        • Pretreatment
          • Sand Filters
          • Water Softners
        • Glycol
        • Services For HVAC Contractors, New Construction & Rehab
        • Remote Monitoring & Control
        • Legionella Water Management
          • Turn-Key Water Management Plans
          • Remediation
          • Secondary Disinfection
        • Specialty Cleanings
          • Heat Exchanger Cleanings
          • Boil Outs
          • Acid Cleanings
          • Tower Cleanings
          • Neutralizers
          • Coil Cleanings For Air Handling Units
          • Ice Machine Cleaning
        • Laboratory Services
        • Endotherm
      • Safety & Hygiene Products
        • Hand Sanitizer & Spray Disinfectant
        • Dispensers - Wall Mounted, Refillable
        • Janitorial Services
        • Stagnant Water - Hyper - Chlorination For Building Reopening
        • Face Coverings
    • Ohio, Virginia, Minnesota
      • Water Treatment
        • HVAC Water Treatment
          • Reduce Energy Cost With Water Treatment
          • Boiler Water Treatment
          • Cooling Towers
          • Closed Loops
        • Industrial Water Treatment
          • Process & Waste Water
          • Pure Waters
        • Potable/Domestic Water Systems
        • Chemical Feed & Control Equipment
          • Automatic Feed & Control
          • Filter Feeders
          • Installation
        • Pretreatment
          • Sand Filters
          • Water Softners
        • Glycol
        • Services For HVAC Contractors, New Construction & Rehab
        • Remote Monitoring & Control
        • Legionella Water Management
          • Turn-Key Water Management Plans
          • Remediation
          • Secondary Disinfection
        • Specialty Cleanings
          • Heat Exchanger Cleanings
          • Boil Outs
          • Acid Cleanings
          • Tower Cleanings
          • Neutralizers
          • Coil Cleanings For Air Handling Units
        • Laboratory Services
        • Endotherm
      • Safety & Hygiene Products
        • Hand Sanitizer & Spray Disinfectant
        • Dispensers - Wall Mounted, Refillable
        • Janitorial Services
        • Stagnant Water - Hyper - Chlorination For Building Reopening
        • Face Coverings
  • Blog
  • Careers
  • Contact Us

Back to Water Treatment

  • Back to Water Treatment

Legionella & Water Management

Metro Group specializes in providing turn-key, full-service Water Management programs for HVAC and potable water systems to Commercial, Institutional, Industrial and Healthcare clients. In the geographies we service, Metro Group differentiates itself by having the largest, most capable service and support teams in the water treatment industry. Metro Group is a member of the Association of Water Technologists (AWT). Our Technical Director, John Caloritis, CWT, is the president of the AWT Cooling Committee and is a member of the AWT Legionella Task Force. Metro Group is proud to employ the most CWT’s, Certified Water Technologists, of any water treatment company, with the most CWT’s on the East Coast. The CWT is an individual recognized as a Qualified Person to oversee and administer Water Management Plans by industry standards, guidelines and regulations. Metro Group has an in-house, ELAP Certified Laboratory for the testing of Legionella. Metro Group currently manages and administers thousands of Water Management Plans for the Control of Water-borne pathogens in building water systems. Headquartered in Queens, NY, and as water experts, Metro Group was in the unique position to work with governing agencies and clients to navigate and comply with the NYS Legislation, the first Legionella laws in the US, passed on the heels of the 2015 outbreak in the Bronx.

Secondary Disinfection

For building water systems with persistent bacterial issues, Metro Group specializes in effective remediation and the design, commissioning, and ongoing maintenance of Secondary Disinfection systems. These systems safely and precisely inject disinfectants into domestic and potable water supplies, ensuring long-term protection at optimal levels.

Secondary Disinfection machine used for LEGIONELLA & WATER MANAGEMENT

    Contact Us / Request a Quote

    © 2025 The Metro Group Inc.
    Metro Group NYC: 50-23 23rd St., Long Island City, NY, 11101, (718) 729-7200

    • Home
    • About Us
    • Blog
    • Careers
    • Contact Us
    • Privacy Policy

    EMERGENCY SERVICE

    (718) 321-8787

    EMERGENCY SERVICE

     For Emergency Service Call:

    (718) 321-8787