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Providing Environmental Solutions Since 1988
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Over 80 years of combined industry experience
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HUD Compliant Inspections and Risk Assessments
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Our in-house laboratory ensures rapid and accurate results
Expert Cooling Tower Testing & Maintenance Services on Long Island
Is your cooling tower compliant with New York State regulations? Proper maintenance and regular testing are crucial to prevent the growth of harmful bacteria like Legionella, which can lead to serious health risks.
We specialize in professional cooling tower maintenance, and Legionella testing services on Long Island and New York state. Ensure your cooling tower operates safely and efficiently while staying compliant with NYS regulations.
Our Cooling Tower Services
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Legionella Testing:
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- Regular Legionella culture sampling every 90 days.
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- Bacteriological sampling every 30 days.
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- Immediate response and reporting for exceedances.
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- Detailed reports and certification to ensure compliance.
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Maintenance Plans:
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- Development and implementation of customized maintenance programs (MPP).
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- Emergency action plans for Legionella outbreaks.
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- Ongoing support to keep your cooling tower running smoothly.
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Record Keeping & Reporting:
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- Assistance with NYS cooling tower registry updates.
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- Maintain all required records for at least three years.
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- Ensure timely reporting to local health departments.
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New York State Cooling Tower Regulations
New York State’s Subpart 4-1 Cooling Tower Regulation requires owners to:
- Register all cooling towers with the NYS DOH Cooling Tower Registry.
- Test for Legionella at least every 90 days while in operation.
- Maintain a water-management program consistent with ASHRAE Standard 188.
- Document and report results to the Department of Health.
Enviroscience provides full support for each of these compliance steps, ensuring your facility meets every requirement under both state and local Long Island health departments.
Industries We Serve Across Long Island
Our clients span every major sector that relies on cooling tower systems, including:
- Hospitals and healthcare facilities
- Schools and universities
- Apartment complexes and condominiums
- Commercial office buildings
- Industrial and manufacturing plants
- Municipal and government properties
We proudly serve clients throughout Nassau County, Suffolk County, and the greater Long Island region, including Huntington, Smithtown, Islip, Riverhead, Garden City, and Long Beach.

Don’t let your mechanicals become a liability.
- Legionella Bacteria Identification and Quantification
- NYSDOH Cooling Tower Management Plans
- Cooling Tower Remediation Plans
- Dip and HPC Slide Sampling and Analysis
Why Choose Us?
NYS Compliance: We help you meet all NYS cooling tower regulations, including registration, sampling, and reporting requirements.
Certified Experts: Our team includes certified water technologists with extensive experience in cooling tower testing.
Comprehensive Services: From routine testing to emergency Legionella testing, we provide end-to-end solutions to keep your cooling tower in top condition.
Local Expertise: As a Long Island-based company, we understand the unique needs of businesses in the area, from high-rise apartments to manufacturing plants.
Frequently Asked Questions
How often should I test my cooling tower for Legionella?
NYS DOH regulations require testing at least every 90 days during operation. Some facilities, such as hospitals, may choose to test monthly for added safety.
What happens if Legionella is detected?
Enviroscience provides detailed lab reports, notifies you of exceedances, and helps coordinate remediation with certified water-treatment specialists to restore compliance.
Do I need to register my cooling tower with the state?
Yes. All cooling towers in New York State must be registered in the NYS Cooling Tower Registry and updated whenever ownership or equipment changes occur.
