Water Quality in Trenton, NJ (08534)
EPA violation data for public water systems serving ZIP code 08534.
Active Health Violations
6 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 99% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
13,272
Population
47
Water Systems
204
Violations (5yr)
6
Health-Based
Location
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Water Systems Serving This Area (47)
Trenton Water Works
3 health-basedAqua Nj - Hamilton Square
Pennington W Dept
Timberlane Middle School
Stacys Cream King
1 health-basedThe Pennington School
Bear Tavern School
Bristol Myers Squibb Well #
Wildflowers
Princeton Community Church
1 health-basedThe Pennington School
Pennington Cleaners
Hiohela Sportland
Stage Ii Motel & Professonal Bldg
Kooltronic Inc
Pennington Montessori School
Goebel Art G.M.B.H
The Village Learning Center
All resolvedCarmine'S Deli
All Bright Country Day School
Pennington Children Academy
Hopewell Tennis And Swim
Hopewell Valley Vineyards Llc
All resolvedCamelot Nursery School
84 Hopewell Llc
Zydus Pharmaceuticals
1 health-basedHopewell Valley Medical
Rosedale Park - Pump House 1
Mercer Mutual Ins. Co
Otto Niederer Sons Inc
Mercer Mutual Insurance Co
Pennington Family Chiropractic Pc
The Watershed Institute
The Watershed Institute
Pennington Citgo #12261011
Great Jones Books Inc
All resolvedMercer County Parks Commission Wildlife
Pennington Bp Gas Station #94706
Wilson & Apple Funeral Home
Bcj&R
84 Components @ 84 Lumber
The Watershed Institute
Pennington Tire Inc
Lee Howard Co., Inc.
Greater Princeton Investments Llc
Stage 2 Motel & Prof. Bl
Jeffrey Rodney Dental Office
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Used to disinfect water — generally safe at regulated levels.
At high levels, nitrate can cause blue baby syndrome in infants.
A naturally occurring element that can cause cancer and other health effects at high levels.
Annual water quality report delivery requirement.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
How Does This Compare?
Trenton (08534) has more violations than 99% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 204.
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
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 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.