Water Quality in Hauppauge, NY (11964)
EPA violation data for public water systems serving ZIP code 11964.
Past Health-Based Violations
2 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 3 monitoring/reporting violations.
More violations than 53% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
2,906
Population
30
Water Systems
5
Violations (5yr)
2
Health-Based
Location
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Water Systems Serving This Area (30)
Suffolk County Water Authority
Shelter Island School
All resolvedShelter Island Library
Whales Tale
Coecles Harbor Marina
The Pizza Place
Kyles (Previously Cafe 27)
Sylvester Manor
West Neck Water District
American Legion Post #281
Schmidts Market (Fna Fedis Market)
Crescent Beach
Baggio'S Pizza
Island Boatyard & Marina
Vine Street Cafe
Shelter Island Nutrition Program
Wades Beach
Johns Grill (Was Osprey Cafe)
Cards Cottages
Ellis Country Market
Mashomack Pres. Visitor Ctr.
All Seasons Catering
Shelter Island Town Dock
Shelter Island Senior Citizens Center
Two South Ferry B & B
Camp Shelter Island
Marias Kitchen
Happy Groundhog, Llc.
2 health-basedBarbary Coast Inn
Bowditch House
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2024
How Does This Compare?
Hauppauge (11964) has more violations than 53% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 5.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
Reverse Osmosis System
One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.
Targets:Nitrate, Nitrite, Dissolved Solids
Look for:NSF/ANSI 58 certified
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.