Phountain Commack, A Practical Guide to Local Water Quality and Testing
February 19, 2026
Key Takeaway: Phountain Commack helps homeowners understand their local water quality by identifying differences between...
About Long Island Clean Water Service Inc: Bringing It Back to Pure Since 1985
Your Trusted Water and Air Quality Experts on Long Island & the Greater New York Area
For over 35 years, Long Island Clean Water Service (LICWS) has been providing top-tier water treatment solutions across Long Island and the Greater New York City Metropolitan Area. As one of the oldest and largest providers of residential and commercial water treatment systems, we are dedicated to ensuring that your home and business have access to the cleanest and safest water possible.
Contact Long Island Clean Water Service
A Local Water Purification Company in Old Bethpage NY
Since 1985, Long Island Clean Water Service has been at the forefront of addressing water quality issues, providing residents and businesses with innovative solutions to their water purification problems. Over the years, we’ve gained the trust of countless clients, delivering high-quality water filtration systems designed to tackle a wide range of water problems—from hard water to contaminated drinking water.
As one of Long Island’s leading water treatment companies, our certified professionals are experts in designing and installing customized water systems that meet the unique needs of our local communities. Whether you need a whole-home water filtration system or a specialized water softening solution, we’re here to deliver the best results.
Our Commitment to Quality and Customer Satisfaction
At Long Island Clean Water Service, we are proud of our 5-star rating on HomeAdvisor, a reflection of our longstanding commitment to customer satisfaction and exceptional service. Our customers trust us to solve their water and air quality issues, knowing we use only the most effective residential, commercial, and industrial filtration systems available. Our reputation is built on the quality of our products and the reliability of our service.
Leading the Way in Water & Air Purification
We don’t just solve water problems; we also address air quality concerns. With environmental issues affecting water and air across Long Island and beyond, we remain dedicated to staying at the forefront of water purification technology. From reverse osmosis systems to UV purifiers, we use cutting-edge technology to protect your home and business.
Our team of highly trained water treatment professionals is equipped to handle everything from water contamination analysis to installation and maintenance of complex water systems. No matter the issue—be it high mineral content, chlorine, bacteria, or sulfur odors—we provide the most effective water treatment solutions to ensure the health and safety of you and your family.
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Over 35 Years of Experience -
Local Experts -
Comprehensive Solutions -
5-Star Rated Service -
Top-Quality Products
Ready for Cleaner Water and Better Air?
Water Quality Videos – Learn About Water Treatment Solutions
Discover How to Improve Your Water Quality with Our Educational Videos
Our collection of water quality videos is designed to provide helpful insights into water treatment solutions, how systems work, and how they can improve your water quality at home or for your business.
From water softening to filtration and reverse osmosis, these videos cover a range of topics to educate you about the importance of clean, healthy water.
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Jack Senzon of Long Island Clean Water explains water testing.
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February 3, 2025
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Who is WaterTech? The leader in water softeners and water filtration systems manufacturing.
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The WaterTech Reionator Pro Ultra - The Ultimate in Water Quality
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The WaterTech Reionator Pro Ultra - The Ultimate in Water Quality
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The WaterTech Reionator Pro - Way more than just a softener
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Whole Home & Drinking Water Filtration Systems Long Island
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David Castellano Explains the Under Sink Leak Detector - Long Island Clean Water
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World biggest garbage dump - plastic in the Ocean
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Tap Water vs. Bottled Water
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CNN: Most Bottled Water is Tap
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'Forever chemicals' detected in water systems of nearly 2,800 US cities | ABC News
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New Claims Of Contaminated Water On Long Island
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When is water safe to drink? - Mia Nacamulli
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What the heck is in your tap water?
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What the heck is in your water? Part 2.
Explore our video carousel to find informative videos about:
- How water softeners protect your home’s plumbing
- The benefits of reverse osmosis for clean drinking water
- Water filtration systems and how they eliminate harmful contaminants
- Proper maintenance tips for your water treatment systems
Whether you’re looking to improve your home’s water quality or learn more about the technology behind commercial water treatment systems, our videos provide valuable information to help you make informed decisions.
Join Our Team at Long Island Clean Water Service
At Long Island Clean Water Service, we’re always looking for passionate, dedicated professionals to join our team. If you have a strong work ethic, a desire to help others, and a commitment to excellence, we’d love to hear from you.
Why Work With Us?
- Competitive pay and benefits
- A supportive work environment
- Opportunities for professional growth and development
- Be part of a trusted, long-standing company in the water treatment industry
How to Apply
Interested candidates can apply by sending their resume and cover letter to info@longislandcleanwaterserviceinc.com. We look forward to hearing from you!
Current Openings:
