Water Quality in Concord, NH (03304)
EPA violation data for public water systems serving ZIP code 03304.
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 91% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
8,335
Population
28
Water Systems
52
Violations (5yr)
6
Health-Based
Location
Loading map...
Water Systems Serving This Area (28)
Concord Water Dept
Bow High School
All resolvedBow Memorial School
All resolvedBow Elementary School
2 health-basedChen Yang Li Restaurant
2 health-basedHampton Inn
Universal Packing Corporation
Bow Municipal Water System
Bow Recreation Ctr
All resolvedNh Auto Dealers Assn
1 health-basedGsp/Merrimack Station
Joyful Noise Presch
All resolvedBaker Free Library
Meeting House Montessori
Pitco East/Blue Seal
Old Town Hall
Bela Brook Water
Deepwood Lodges
River Road Business Bay
Bow Municipal Building
Cary And Allen St Dev
All resolvedBow Safety Bldg
All resolvedPublic Works Dept
Bow Community Building
All resolvedSara Lee Coffee And Tea
Granite St Gymnastics Center
Joyful Noise Learning Center
1 health-basedLoraco Plaza
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
A naturally occurring element that can cause cancer and other health effects at high levels.
Used to disinfect water — generally safe at regulated levels.
Lead & Copper Levels
Lead (Pb)
Exceeds limitSampled: Jan 2025
How Does This Compare?
Concord (03304) has more violations than 91% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 52.
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.