Water Quality in Hauppauge, NY (11957)
EPA violation data for public water systems serving ZIP code 11957.
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 is also 1 monitoring/reporting violation.
More violations than 43% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
1,121
Population
12
Water Systems
3
Violations (5yr)
2
Health-Based
Location
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Water Systems Serving This Area (12)
Suffolk County Water Authority
Orient Beach State Park
Larkin Deli
Oysterpond Elementary School
1 health-basedOrient Congregational Church
1 health-basedOrient Country Store
Orient Yacht Club
Moonflower
All resolvedOpties And Dinghies
Hands Fuel Oil
Barcelona Bungalows
Latham Camp
Contaminants Found
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
At high levels, nitrate can cause blue baby syndrome in infants.
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
How Does This Compare?
Hauppauge (11957) has more violations than 43% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 3.
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
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 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.