Long Island Clean Water Service : Water Treatment in Nassau & Suffolk Counties, NY

Serving the Greater New York Metropolitan Area with Reliable Water Treatment Solutions.

Whether you’re dealing with hard water, contaminants, or need a whole-home water filtration system, Long Island Clean Water Service is your go-to partner for clean, healthy water.

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Our Services

Get the Best Water Solutions for Your Home and Business on Long Island

Whole Home Water Treatment

Protect your entire home with the best water filtration systems. Our systems remove harmful contaminants, providing you with safe, clean water at every tap.

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Water Softening Solutions

Say goodbye to hard water. Our water softeners are designed to prevent plumbing issues, protect appliances, and leave your water feeling softer.

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Reverse Osmosis Systems

Purify your drinking water with our reverse osmosis systems, which remove up to 99% of contaminants for crisp, clean water straight from your tap.

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Well Water Treatment

Address common well water issues, such as iron and sulfur, with our specialized systems, ensuring safe water for your family.

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Installation & Repairs

Whether you’re installing a new water softener, filtration system, or need repairs for your existing system, our experienced technicians are here to help.

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Why Choose Long Island Clean Water Service?

We offer a wide range of water filtration systems, from reverse osmosis filters to whole-house filtration, all tailored to meet the specific water quality needs of Long Island.

Leading Water Treatment Solutions on Long Island

Locally Trusted Experts

Proudly serving communities across Long Island, our team understands the region’s unique water conditions and is committed to providing reliable, top-quality solutions.
Advanced Technology for Optimal Results

From state-of-the-art water softeners to smart water monitoring systems, we use the latest technologies to ensure maximum efficiency and long-lasting results.

Our Offers

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Complimentary In-Home Water Evaluation

Don’t wait! Find out what’s hiding in your water today!

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Get Clean Air at Home & Save

Save $200-$300 for a Limited Time on an Air Purification System. Contact us for more details today!

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Why LICWS Stands Out

Your Full-Service Water Treatment Experts

We offer a comprehensive range of water treatment solutions, backed by our commitment to customer satisfaction and long-term performance.
Guarantee & Warranties

We guarantee all our installations, and our products come with excellent warranties directly from the manufacturer. With Long Island Clean Water Service, you can rest assured we’ll be here for years to come to help maintain your water filtration system cost-effectively.
Licensed & Certified

We’re fully licensed and insured and are proud members of the Water Quality Association, adhering to their rigorous Code of Ethics to ensure the highest standards of service.
3rd Party Seals of Approval

Many of the products we offer carry prestigious agency seals like ISO 9001, two Gold Seals of Approval from the Water Quality Association, and several plumbing seals. We proudly display these to show our commitment to exceptional quality.
Proudly & Safely "Made in the USA"

Our systems are proudly manufactured in the USA and are part of the world’s largest water treatment system manufacturer. These innovative systems have satisfied customers for years, giving them cleaner and healthier water.