Water Quality in Bryn Mawr, PA (18923)
EPA violation data for public water systems serving ZIP code 18923.
No Health-Based Violations
None of the 5 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are2 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 36% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
984
Population
5
Water Systems
2
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (5)
Phila Sub Water Co
Lower Bucks Co Joint Mun Auth
All resolvedDublin Village Apts
Vintage Grille
Four Seasons Golf Center
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jun 2025
How Does This Compare?
Bryn Mawr (18923) has more violations than 36% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 2, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.