Water Quality in Iselin, NJ (08857)
EPA violation data for public water systems serving ZIP code 08857.
Active Health Violations
3 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 90% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
40,891
Population
28
Water Systems
45
Violations (5yr)
3
Health-Based
Location
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Water Systems Serving This Area (28)
Middlesex Water Company
All resolvedOld Bridge Mua
New Brunswick W Dept
All resolvedPerth Amboy Water Department
1 health-basedEast Brunswick Water Utility
1 health-basedSouth Brunswick Twp W Di
1 health-basedSayreville W Dept
All resolvedOld Bridge Mua Lawrence
Old Bridge Chemicals Inc
Burger King #21384
Olde Silver Tavern
Sum Place
Enrite
All resolvedM Hegarty & J Vincent Scalia Funerals
Birch Hill Swim Club
N.J.Comm For The Blind
T.J.Mcgovern
Central Jersey Office Pa
151 Route 33 Llc
Taste Of Italy Pizzeria & Restaurant
Central Jersey Office Pa
Mountaineer Const Co
Rite Packaging Co
Central Jersey Office Pa
Central Jersey Office Pa
Summerhill Nursing Home
Jacoma Const Co Bldg 2
Office Park
Contaminants Found
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Missed testing deadlines — not a detection of bacteria.
Annual water quality report delivery requirement.
Used to disinfect water — generally safe at regulated levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
How Does This Compare?
Iselin (08857) has more violations than 90% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 45.
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.