Water Quality in New Haven, CT (06405)
EPA violation data for public water systems serving ZIP code 06405.
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 97% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
28,217
Population
52
Water Systems
135
Violations (5yr)
4
Health-Based
Location
Loading map...
Water Systems Serving This Area (52)
Regional Water Authority
Waterbury Water Department
All resolvedMeriden Water Division
2 health-basedQuonnipaug Hills - Main System
All resolvedGeorge Schmitt & Co.; Inc.
Quonnipaug Hills - Upper System
Atlas Commons
1 health-basedMalta Xtra Mart
All resolvedPetry Apartments
United Methodist Church
Jiffy Mart - Wallingford
All resolvedBarnett Development Corp
Williams Apts North Building
Hl Hayden Co
Eastern Filter Sales
Xtra Mart #1450
All resolvedMilo Todd Village
Bishops Boarding House
Bill Miller Dance Studio
Heilig Apartments 4
Shore Line Trailer Park
Loomis Temple Of Music
Quonnipaug Hills - Section I
Chez Joey Restaurant
Public Spring
Jiffy Mart - Perkinsville
Heiling 4 And 3
Nelson Cook
Renaldis Getty
1 health-basedBill Miller Dance Village
Global Danbury (112 Newtown Road)
East Shore Health Office
White Oak
Camp Birch
David Spalding
216 Main Street Llc An0
Branford Pediatrics
East Shore Health Office
Daniel Ranalli
Hyman Estra
Quick Stop Convenient Store
Quadrex Corp.
Sciarra Storage
Branford Pediatrics
Frank Morgillo
East Shore Health Office
Jiffy Mart - East Dorset
All resolvedJohn Mulligan
Shenandoah Service Station
Hilltop Orchards
Advanced Office Systems
Premier Sports Complex Llc
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 (06405) has more violations than 97% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 135.
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.