Hauppauge Tap Water Quality Report
Hauppauge's water has 3 contaminants above EPA MCLGs. Consider using a certified water filter for additional protection.
People Served
1,100,000
Health-based violations since 2020
1
SUFFOLK COUNTY WATER AUTHORITY. EPA SDWA violation data as of Q2 2026 (downloaded 2026-07-09).
Is Hauppauge Tap Water Safe to Drink?
We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems. Hauppauge's water has 3 contaminants above EPA health-based guidelines (MCLGs).
SUFFOLK COUNTY WATER AUTHORITY, Hauppauge's water system, serves 1,100,000 people. 1 other system is listed for Hauppauge. Each system's results are listed under its own name, never added to SUFFOLK COUNTY WATER AUTHORITY's. Water quality testing is conducted regularly and reported to the EPA.
Boil water advisories are issued by water systems and state agencies, and they change from day to day. Boil water advisories in New York
Hauppauge Water Service Areas
What these numbers actually mean for Hauppauge, NY
We read Hauppauge, NY’s published record and send you a short report — which findings warrant a decision, which to ignore, and what to do about it. Including when the answer is nothing.
- 3 contaminants above EPA MCLGs
- 23 results on file
- 23 PFAS compounds on record
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Recommended Water Filters for Hauppauge
Based on Hauppauge's water quality data, these NSF-certified filters are recommended to remove contaminants above EPA MCLGs.
Culligan
ZeroWater
NSF Certified:
Flow Rate
1.9 gpm
Daily Production
1 gpd
Highlights:
- Compact design
- Easy to set up
- Affordable
- NSF-42, NSF-53, NSF-401 certified
Removes 19 contaminants:
+14 more
Strontium, Molybdenum, Fluoride, Uranium, Lead, Total PFAS, Chlorine, 25, Phosphorus, Bicarbonate, Calcium, Carbonate, Magnesium, Sodium
Santevia
Bath Filter
NSF Certified:
Flow Rate
0.36 gpm
Highlights:
- Organic cotton design reduces plastic used in construction
- Affordable upfront & ongoing cost
- The only bath filter that removed 100% chlorine with “normal” faster faucet flow
Removes 1 contaminants:
Waterdrop
A1
NSF Certified:
Flow Rate
1 gpm
Highlights:
- Performance certified
- Lower price than Philips
- Hot water dispensing
- Compact design
Removes 5 contaminants:
Whirlpool Corporation
W11256135
NSF Certified:
Capacity
1001 gal
Filter Life
3 mo
Flow Rate
0.7 gpm
Removes 19 contaminants:
+14 more
Benzene, Carbofuran, Chlorine (Free), Chlorine (Total), Chlorine Dioxide, Chlorobenzene, Cryptosporidium, Ethylbenzene, Lead, Mercury, Metolachlor, Tetrachloroethylene, Toxaphene, Turbidity
Verify Your Water Quality with Independent Testing
With 3 contaminants above EPA MCLGs, independent laboratory testing provides a second opinion and can track changes over time.
SimpleLab
Advanced Home Water Test
$269
Comprehensive water analysis testing over 200 contaminants including bacteria, heavy metals, and chemical compounds.
Tap Score
PFAS Forever Chemicals Test
$339.95
Specialized test for PFOA, PFOS, and 24 other forever chemicals. Essential for areas near military bases, airports, or industrial sites.
Tap Score
Advanced Microplastics Test
$829
Cutting-edge testing for microplastics particles in drinking water using advanced laboratory techniques.
With 3 contaminants above health guidelines, you may want to explore water purification options. Learn how to make distilled water at home for applications like humidifiers, CPAP machines, and baby formula.
What Hauppauge's water readings can explain
Utility-reported data for Hauppauge includes a chlorine-based disinfectant — the readings behind these common tap water questions. We publish a city-level hardness figure for Hauppauge, resolved from its water systems where they report one and estimated from county sampling where they do not. Each page starts with the hot-tap and cold-tap check, then shows what your own water system reported.
On a private well near Hauppauge? Public-water results do not apply to private wells. See Suffolk County well water testing and USGS risk data — modeled arsenic, nitrate, and the tests to run.
Water softener cost and installation in Hauppauge
Hauppauge's tap water has an estimated 2.2 grains per gallon (37.9 mg/L, county sampling in Suffolk County) — soft on the USGS scale, below the range where scale is usually worth treating.
Water softener cost for an estimated 2.2 gpg water in Hauppauge — equipment and local installation labour for your ZIP code, with the sizing arithmetic shown in full. For the national picture first, read what a water softener costs — equipment, installation labour and ten-year ownership, each separated out. For New York as a whole, read water softener cost in New York — priced against the plumber wage published for the state.
Frequently Asked Questions About Hauppauge Tap Water
Hauppauge's water has 3 contaminants above EPA MCLGs. We recommend using a certified water filter for additional protection, especially for vulnerable populations like children, pregnant women, and those with compromised immune systems.
Spotted something off on this page?
Residents keep our data honest.
This form corrects our data; it does not reach SUFFOLK COUNTY WATER AUTHORITY. For a problem with your water now (discolored water, no water, low pressure, a leak), contact SUFFOLK COUNTY WATER AUTHORITY directly: 631-698-9500, the number it publishes on its website. Call 631-698-9500 (read on www.scwa.com on 2026-09-25)
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