Water Quality in New Haven, CT (06518)
EPA violation data for public water systems serving ZIP code 06518.
Active Health Violations
4 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 84% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
20,126
Population
28
Water Systems
28
Violations (5yr)
4
Health-Based
Location
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Water Systems Serving This Area (28)
Regional Water Authority
Waterbury Water Department
All resolvedMeriden Water Division
2 health-basedWalden Iii Condominiums
The Carrot Patch
1 health-basedNorthford Commercial Industrial Center B
Quinnipiac College - Polling Institute
Sunrise Box Lunch
Walgren Tree Experts Inc
Kingdom Hall Of Jehovahs Witns
Brooksvale Park
Herrick & Cowell Co
Connolly Industrial Park
Veterans Memorial Bldg
New Haven Bag & Burlap Co
Arnolds Sanford Barn
St Joan Of Arch Church
Brooksvale Park - Field House
1 health-basedLaurel View Country Club
Brooksvale Park-Veterans' Memorial Bldg
All resolvedHamden Fish & Game
Ymca Outdoor Center
Leonardo Excavating Co
Church Of The Ascension
Northford Commercial Industrial Center A
Laurel View Country Club
Leonardo Industrial Park
Arrowhead Cove Association
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Annual water quality report delivery requirement.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
At high levels, nitrate can cause blue baby syndrome in infants.
Similar to nitrate — harmful to infants at high levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
How Does This Compare?
New Haven (06518) has more violations than 84% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 28.
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
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.