Water Quality in Colts Neck, NJ (08691)
EPA violation data for public water systems serving ZIP code 08691.
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 98% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
16,607
Population
41
Water Systems
193
Violations (5yr)
6
Health-Based
Location
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Water Systems Serving This Area (41)
Nj American Water - Coastal North
All resolvedTrenton Water Works
3 health-basedAqua Nj - Hamilton Square
Aqua Nj - Eastern Division
Aqua Nj - Lawrence
Aqua Nj - Woolwich
All resolvedAllentown Water Dept
All resolvedAqua Nj - Wallkill
All resolvedAqua Nj - Califon
Roosevelt Water Dept
All resolvedAqua Nj - Riegel Ridge
Aqua Nj - Tranquility Springs
1 health-basedAqua Nj - Spartan Village
Aqua Nj - Vernon
All resolvedRed Lion Plaza
All resolvedRobbinsville Twp - Newtown Village
All resolvedAqua Nj - California Village
Aqua Nj - Seaview Harbor
Aqua Nj - Hanover Mobile Village
Aqua Nj - Bunnvale
Aqua Nj - Bear Brook
Four Acres Inc
Aqua Nj - Warren Glen
All resolvedAqua Nj - Summit Lake
All resolvedAqua Nj - Fox Hill
All resolvedProfessor'S Hard Cider
1 health-basedAqua Nj - Brainards
All resolvedPlumsted Retail Center C/O Jesse Bell
All resolvedAqua Nj/Deep Well Terr
Aqua Nj California Village 2
Aqua Nj Cliffside Park
Aqua Nj California Village 3
Fish Net
Aqua Nj - Riegelsville
Irenes Windsor Diner
Aqua Nj - Harkers Hollow
Edinburg Hotel
Pennington Office Park-B
1 health-basedPhyllis' Windsor Diner
Vahlco Corp
Millstone Turf Inc
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.
At high levels, nitrate can cause blue baby syndrome in infants.
Used to disinfect water — generally safe at regulated levels.
A naturally occurring element that can cause cancer and other health effects at high levels.
Similar to nitrate — harmful to infants at high levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
Copper (Cu)
Exceeds limitSampled: Jul 2024
How Does This Compare?
Colts Neck (08691) has more violations than 98% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 193.
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.