Transform Your Water with a Reverse Osmosis Drinking Water System…

And Create Delicious, Healthy Water Free of up to 99% of Common Contaminants Found In Our Local Water.

Long Island Clean Water Service, Inc. offers a variety of installed drinking water systems designed to remove contaminants from the water your family drinks. Installed drinking water systems can be tucked away under the kitchen counter or in the basement.

The perfect complement to an EcoWater System water refiner or water softener for the water-conscious family is an EcoWater reverse osmosis drinking water system. Our exclusive line of reverse osmosis water purifier systems are specifically designed to provide clean, clear, better-tasting drinking water by removing more than 95% of dissolved solids including many harmful contaminants. Now you can have bottle-quality water at your tap.

With an EcoWater Reverse Osmosis System You Get:

  • Semi-permeable membranes to reject solids
  • Three or four-stage water filtration
  • Specially formulated pre-and post-filters to reduce contaminants, eliminate odors, and improve taste.
  • Automatic shut-off to conserve water
  • Optional electronic monitor to alert you when filters need changing.
  • Space-saving designs

Here’s How Reverse Osmosis Works:

  1. Household water is directed through a pre-filter for filtration to remove sediment, chlorine taste and odor, and particulate matter.
  2. The water is then forced, by pressure, through a semi-permeable membrane where a high percentage of the dissolved solids and other contaminants are rejected and flushed to the drain.
  3. Final polishing of the water is accomplished by an activated carbon absorption block filter removing tastes and odors. The water passes through this final filtering process immediately before going to the faucet whether it comes directly from the unit or from the storage tank.
  4. The automatic shut-off control shuts down the system when the storage tank is filled and water is not being drawn. This “demand production” feature conserves water by eliminating the constant running to the drain found in some units. The control also depressurizes the membrane when not in service extending the membrane life and reducing the need for maintenance of your reverse osmosis water purifier.

EcoWater Systems offers a broad range of reverse osmosis purification systems including the ERO 385, a state-of-the-art reverse osmosis filter. These products reduce substances such as chlorine taste, sediment, nitrates, lead, cysts, and detergents.

Fill out the form below or call (516) 591-3246 for more information & a free quote!

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Steven Bunker
Steven Bunker
16:54 07 May 22
Best service and Super reliable!!! - Both service guys were... polite on time and professional. I would not do business with anyone else!!! My entire family love the quality of the water and they did such a neat job installing the filters under our cabinet. 5 Stars all the way!!!!!!!!!!!!!!!!!!!!!!!!read more
Mindy Zalcman
Mindy Zalcman
20:29 04 May 22
I recently purchased the whole house system from LICWS. I... LOVE it!! I should have done it 20 years ago. The water is clear, and soft, and tastes great. The salesman and installation crew were excellent. I would highly recommend this company.read more
Joe
Joe
15:52 02 May 22
Great company and service, always a pleasure to work with.... Staff is attentive and on time. We had Long Island Clean Water replace our aging whole house water treatment system. The installation was done by Angel and Vinny, everything went great. We are very satisfied with the new system!read more
Edward Priboy
Edward Priboy
15:39 15 Apr 22
Ryan was extremely knowledgeable, polite and friendly.... Vincent and Angel explained everything they did step by step. They also were knowledgeable, polite and left everything neat and clean. Kudos to your entire operations.read more
esther feigenbaum
esther feigenbaum
00:04 02 Apr 22
Mark recently serviced my water filter for an annual... replacement filter. He was efficient, knowledgeable and friendly and did a great job! My only negative comment (hence 4 stars, not 5) has nothing to do with Mark, but with the way that service appointments work at LI Filter. When my filter stopped working and I called for an appointment, they only offered a window of 9-3. One can call the morning of the appointment to narrow it down to maybe a 3 hour window, but that is often too late to fix my schedule. This was fine during Covid-times when I was home all the time, but is very inconvenient now that I am out working and busy. I wish appointments could be set up in a more customer-friendly manner. Otherwise, LI Filter is great. I am happy with the filter and with the service.read more
Karen Brandow
Karen Brandow
14:48 29 Mar 22
Great service. Quick, easy and efficient
Carolina Padilla (Lina)
Carolina Padilla (Lina)
17:28 23 Mar 22
Many residents in our town have recommended LICWS Inc...we... are beyond happy with the product. We had the entire house serviced and the results are beyond my expectations. The plants are even thankful... Highly recommend it. We had a slight innocent install issue which could have caused other issues. They immediately took action to mitigate the situation and took the right measures to support the customer. Drinking 8oz of water daily is a non issue. My husband is also happy that the recycle bins are less full. Jay is great!read more
Peggy Forde
Peggy Forde
00:49 18 Mar 22
Have been very satisfied with the service and security in... knowing the water I drink is being filtered with reverse osmosis, particularly as a lung cancer survivor. The two service technicians who just replaced the filters and did an annual maintenance on the units for me and my daughters fridge’s were both neat, professional and prompt.read more
Byron Gaing
Byron Gaing
22:33 14 Mar 22
John was great as usual servicing the unit.
rezelution
rezelution
17:12 07 Mar 22
Excellent Service and Product. I hated drinking water due... to the taste of some water. This water tastes like nothing making it very easy to drink. System works great. Less hardness and i can tell from my showers to my coffee machines. The deliveries for salt come even when i forget. Every time a delivery with salt arrives they fill the salt, check the equipment and do a water test. So happy I converted my house to this.read more
Yoga Foundation
Yoga Foundation
21:46 03 Mar 22
Prompt and professional, and I hope the water is clean! It... tastes and feels good.read more
Linda Cezanne
Linda Cezanne
01:00 03 Mar 22
Long Island Clean Water is an excellent business. I have... been a very satisfied client for several years. The office staff is friendly, helpful and knowledgeable. This past visit with Mark and Paul went very well, they called in advance of their visit, remembered I like the bleach tab, tested the Ph of the water, made adjustments so the water flowed more quickly from the spigot and cleaned up thoroughly after themselves. i would recommend LICW to anymore looking for a superior water filtration system. Most importantly the water tastes great!!read more
Neil O'Donnell
Neil O'Donnell
21:03 01 Mar 22
I have been a customer of LI Clean Water for many years and... I am every happy with my system and the quality of my water. Their servicing of the system has been terrific. I recently had a delivery of salt delivered by Papo and Kevin wo were great They checked the system and water quality and refilled the units with salt crystals. I was impressed by their professionalism. Thank you!read more
monika dee
monika dee
19:49 28 Feb 22
As always my salt delivery went very well. Papo and Kevin... were very respectful and friendly. I'm completely satisfied the clean water and there crew!!!read more
EA D
EA D
18:00 26 Feb 22
LI Clean Water's systems have made such a difference to our... skin and hair. Very responsive customer service, too. Picked up on a holiday weekend after hours when we had (unrelated) plumbing issues and needed reminder on how to turn service off/on.read more
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(516) 591-3246
9am-5pm Mon-Fri, 9am-2pm Sat
202 Bethpage-Sweet Hollow Rd Old Bethpage, NY 11804


Serving NY in the Following Counties:

Kings County, Queens County, New York, County, Suffolk, County, Bronx County, Nassau County, Westchester County, Fairfield County, Bergen County, New Haven County

And in the Following Cities:

Albertson, Bridgeport, East Norwich, Harrison, Alpine, Brightwaters, East Quogue, Hastings On Hudson, Amagansett, Bronxville, East Rockaway, Hauppauge, Amityville, Brookhaven, East Setauket, Hempstead, Ardsley, Calverton, Eastport, Hewlett, Armonk, Carle Place, Elmont, Hicksville, Atlantic Beach, Cedarhurst, Englewood, Holbrook, Babylon Center, Moriches, Farmingdale, Holtsville, Baldwin, Centereach, Farmingville, Huntington, Bay Shore, Centerport, Floral Park, Huntington Station, Bayport, Central Islip, Forest Hills, Island Park, Bayside, Cold Spring, Fort Lee, Islandia, Bedford, Cold Spring Harbor, Franklin Square, Islip, Bedford Hills, Commack, Freeport, Islip Terrace, Belford, Copiague, Fresh Meadows, Jamesport, Bellerose, Coram, Garden City, Jericho, Bellmore, Cresskill, Glen Cove, Kings Park, Bellport, Cutchogue, Glen Head, Lake Grove, Bethpage, Deer Park, Glen Oaks, Larchmont, Blue Point, East Hampton, Glenwood Landing, Laurel, Bohemia, East Islip, Great Neck, Lawrence, Breezy Point, East Marion, Greenlawn, Levittown, Brentwood, East Meadow, Greenvale, Lindenhurst, Briarcliff Manor, East Moriches, Greenwich, Little Neck, Bridgehampton, East Northport, Hampton Bays, Livingston

Simple Financing Options

With our simple financing plans, you can afford healthy water that's better for your body and for your home. The best part - You often save more money in reduced soap, cleaner & shampoo costs than you pay each month!

Your Assurance Guarantee

If you're looking for the best value in a whole home water treatment system or softener, you've found it. In fact, we guarantee your full system for a minimum of 5 years.

Why Choose Long Island Clean Water Service?

  • In Business Since 1985
  • World-Class Products Made in the USA
  • Best Warranties in the Industry
  • Affordable Lease and Financing Options
  • Certified Techs who Truly Care

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