Water Quality in Lancaster, PA (17535)
EPA violation data for public water systems serving ZIP code 17535.
Past Health-Based Violations
4 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 6 monitoring/reporting violations.
More violations than 67% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
3,042
Population
12
Water Systems
10
Violations (5yr)
4
Health-Based
Location
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Water Systems Serving This Area (12)
City Of Lancaster
1 health-basedParadise Elementary School
Pequea Valley Senior High Sch
Salisbury Elem Sch
Paradise Elem Sch
Pequea Valley Intermediate Sch
All resolvedP J Bair Post 7418
Loose Caboose Cpgrd
2 health-basedFaith Mennonite High Sch
All resolvedRoamers Retreat Cpgrd
1 health-basedPvhs Concessions Stand
All resolvedCountryside Estates Mhp
Contaminants Found
At high levels, nitrate can cause blue baby syndrome in infants.
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jun 2025
How Does This Compare?
Lancaster (17535) has more violations than 67% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 10.
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
One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.
Targets:Nitrate, Nitrite, Dissolved Solids
Look for:NSF/ANSI 58 certified
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.