Water Quality in Lancaster, PA (19551)
EPA violation data for public water systems serving ZIP code 19551.
Past Health-Based Violations
2 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 9 monitoring/reporting violations.
More violations than 68% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
4,778
Population
8
Water Systems
11
Violations (5yr)
2
Health-Based
Location
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Water Systems Serving This Area (8)
City Of Lancaster
1 health-basedReading Area Water Authority
1 health-basedLebanon Water Auth
All resolvedReading Alloys
All resolvedReading Bakery Systems
Country Tavern
L & B Dodge
T/A Country Tavern
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Used to disinfect water — generally safe at regulated levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jun 2025
How Does This Compare?
Lancaster (19551) has more violations than 68% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 11.
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.
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
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.