Water Quality in Allentown, PA (18101)
EPA violation data for public water systems serving ZIP code 18101.
Active Health Violations
16 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.
6,120
Population
43
Water Systems
128
Violations (5yr)
16
Health-Based
Location
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Water Systems Serving This Area (43)
Lca Allentown Division
All resolvedLca Wlsa Central Division
Lv Hospital Cedar Crest
Susquehanna-Serv&Adm Bldg Pp&L
Pp&L Otter Creek
Kwik Joe Mobil Mart #160
All resolvedPenndot Site 41 Rest Area
Express Lane #209 - Southport
All resolvedFood Mart/Dunkin Donuts
4 health-basedBear Mart 2
Bear Mart 1 Mobil
Milford Exxon
3 health-basedSunbury Steam Electric St-Pp&L
Slatington Market Place
4 health-basedPp&L Brunnel Island Gen Sta
P P And L Bruner Island
Route 309 Exxon
The Riverlands Recreation Area
2 health-basedLock 12 Historic Area
Circle K
All resolvedHoltwood Redevelopment Project
Express Lane
Pipersville Valero
Als Quick Stop #7
All resolvedHuman Resources Training Ctr
Calo Pet Foods % R Shannon
Pp&L Cocalico Service Center
Susquehanna-Simulator Bld Pp&L
Amazing Grace Catering
Halfway House
Englewood Getty
2 health-basedFrackville Service Center Pp&L
Summerdale Crew Qtrs Pp&L
Crew Quarters Beach Haven Pp&L
Joey J'S
Woodys Exxon
All resolvedElizabethville Service Center
Siegfried Substation Pp&L
Strawberry Ridge Crew Qtr Pp&L
Montour Hunting Lands Pp&L
Nice N Easy Ny0092
All resolvedPelham Bp
1 health-basedSunbury Gate House Pp&L
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
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: Jun 2025
How Does This Compare?
Allentown (18101) has more violations than 97% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 128.
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.