Water filtration solutions in Hauppauge, NY
Our team in Hauppauge, NY installs custom-built water solutions to help reduce contaminants and bring you safer, better tasting water.
Recognized as an industry leader
Water in Hauppauge is Slightly Hard
According to our proprietary data, the average total water hardness in Hauppauge is 3.4 grains per gallon (gpg), which falls in the moderately hard range. This means there’s more calcium and magnesium in the water here — two minerals that can build up over time and leave behind residue in your pipes, appliances, and fixtures. This buildup can make things less efficient and even shorten the life of your home’s systems if left unchecked.
See the difference soft water can make

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Hauppauge, NY water sources
Recent research from Stony Brook University’s Gobler Lab reveals significant water quality challenges affecting Long Island communities, including Hauppauge. The study found that groundwater nitrogen levels have increased by more than 60 percent since the late 20th century, directly impacting the sole-source aquifer that provides drinking water to local residents. This contamination has contributed to a 90 percent decline in critical marine habitats and shellfish populations in the region.
The 2024 findings were particularly concerning, with harmful algal blooms appearing in more than two dozen local lakes and ponds, and 36 individual “dead zones” recorded – the highest number ever documented. Additionally, dangerous bacteria including Vibrio vulnificus reached high levels in local waters due to wastewater contamination. These conditions highlight the urgent need for effective water treatment solutions in Hauppauge homes, as the research demonstrates how residential water systems are interconnected with broader environmental and public health concerns affecting the entire Suffolk County region.
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Water softening systems
From those annoying stains to serious scale buildup, the side effects of hard water on your home are no joke. Our custom water softening systems help reduce hardness, resulting in improved taste and odor.
Learn moreCustom filtration for cleaner, safer water
Advanced filtration
No matter your water source—city or well—our advanced filtration systems tackle a wide range of water concerns, from stubborn plumbing buildup to unpleasant taste and odor. With over 250 product combinations, we design a solution that fits your needs, delivering fresher, better-quality water daily.
Reverse osmosis
Help protect your home against harmful contaminants like lead, copper and PFAS (linked to long-term health risks) with Reverse Osmosis (RO) technology. Our space-saving under-counter system efficiently filters up to 600 gallons per day, giving you cleaner, safer water.
Ultraviolet filtration
Help protect your home from unwanted microorganisms, including bacteria, viruses, parasites, and cysts without harmful chemicals. Our systems are designed to deliver safer, more reliable water, so you can have better peace of mind every day.
Well water solutions
Say goodbye to that rotten egg smell and those stubborn tub stains. Our filtering and softening solutions for well water transform your home’s water, helping ensure it’s cleaner, fresher and more enjoyable every day.
Learn moreBenefits of better water
Reduce hidden contaminants
Our advanced filtration systems help reduce harmful contaminants like lead, PFAS, and hard water minerals that can cause scale buildup. These solutions help remove dangerous elements, making every sip safer for your family’s well-being.
Elevate your everyday
Since 60% of our bodies are water, having cleaner water can support your overall wellness. From helping maintain cardiovascular health to supporting muscle recovery and healthier skin, purified water helps fuel your body naturally.
Better water everywhere
Cloudy, discolored water with off-putting tastes shouldn’t be part of your daily routine in Hauppauge. Our water experts help pinpoint your water’s unique challenges and create customized solutions for cleaner, more refreshing hydration throughout your home.
Your local Leaf Home office
Serving greater Hauppauge
Contact Us
Call Us Today
(888) 701-5497Office Location
400 Oser Avenue Suite 350
Hauppauge, NY 11788
Business Hours
Monday – Thursday: 8:00 AM – 9:00 PM ET
Friday: 8:00 AM – 5:00 PM ET
Saturday: 8:00 AM – 6:00 PM ET
Sunday: Closed
Customers Served in Greater Hauppauge
VALLEY STREAM, NY
42 Homes
HUNTINGTON STATION, NY
34 Homes
BALDWIN, NY
30 Homes
EAST HAMPTON, NY
29 Homes
MASSAPEQUA, NY
25 Homes
SMITHTOWN, NY
24 Homes
EAST MEADOW, NY
23 Homes
PATCHOGUE, NY
22 Homes
NEW HYDE PARK, NY
20 Homes
GREAT NECK, NY
19 Homes
BAY SHORE, NY
18 Homes
FLORAL PARK, NY
18 Homes
Results you can trust
From the free water test to expert installation, we take care of it all.
Advanced water testing
Our local water experts use advanced digital testing to quickly identify common issues like hard water, contaminants, copper, and chemicals like chlorine and nitrates to create the right solution for your home.
A customized solution
We take a personalized approach to water quality. Using your test results, we design a custom water system that addresses your specific issues in your home so you get cleaner, healthier water where it matters most.
One-day installation
Our local water experts are ready to install your new system in as little as one day.
Step 1: Water test
We analyze the water straight from your tap to identify any water issues your home and family are experiencing.
Step 2: Custom solution
We use your test results to customize a water system that targets and improves your unique issues.
Step 3: One-day installation
Our local water experts are fully equipped and trained to perform your installation in as little as one day.
Frequently asked questions
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While Hauppauge’s water at 3.39 grains per gallon falls in the slightly hard category, a water softener can help reduce mineral buildup that may dry your hair and skin. Our water experts at Leaf Home help ensure soaps and shampoos work more effectively, giving you softer, healthier-looking results.
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Unfiltered water can contain chlorine, heavy metals, and other contaminants that impact taste, odor, and quality. A water filtration system helps remove these unwanted elements, so every sip, rinse, and wash is cleaner, fresher, and better for your home and health.
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A water softener targets minerals in hard water with an ion exchange process. A water filter focuses on removing contaminants and bacteria, typically by forcing water through some form of barrier to separate the clean water from the unwanted substances.
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Does your water taste or smell bad? Are you experiencing hard water stains on your appliances, or scale buildup on your shower head? While there are many signs that you may need a water filter, the best way to determine whether you need water treatment is to schedule a free water test from our local office in Hauppauge.
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Reverse osmosis (RO) is a drinking water purification process that helps remove unwanted substances from tap water by pushing water through a special barrier called a semipermeable membrane. This barrier blocks heavy metals (like lead), arsenic, PFAS, chlorine, and chemicals, so only purified water is passed through. The result is water with 99.9% of all contaminants, sediments, and particles removed, making crisper, cleaner, and safer drinking water.