Water Quality in Hagerstown, MD (21742)
EPA violation data for public water systems serving ZIP code 21742.
Active Health Violations
2 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 86% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
34,069
Population
15
Water Systems
35
Violations (5yr)
2
Health-Based
Location
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Water Systems Serving This Area (15)
City Of Hagerstown
Hagerstown
River Bend Membership Corporation
2 health-basedParadise Mennonite School
All resolvedMain St Skateland
Camp Sinoquipe Mason Dixon
All resolvedLiberty Food Mart
All resolvedTree Trekkers
Columbus Club Of Hagerstown
All resolvedOral & Facial Surgery
All resolvedCoss'S Country Mkt.
Ringgold Ruritan
Equinox Properties (Dynamark)
Liberty Amoco(Liberty Gas Station)
Leitersburg Vfd
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Used to disinfect water — generally safe at regulated levels.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Similar to nitrate — harmful to infants at high levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Hagerstown (21742) has more violations than 86% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 35.
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.
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.