Water Quality in Bryn Mawr, PA (19454)
EPA violation data for public water systems serving ZIP code 19454.
Past Health-Based Violations
1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 77 monitoring/reporting violations.
More violations than 95% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
27,755
Population
27
Water Systems
78
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (27)
Philadelphia Suburban Water Co
Aqua Pa Main System
1 health-basedPhila Sub Water Co
North Penn Water Authority
Pa American Norristown
All resolvedLorimar Park
North Wales Water Authority
All resolvedLower Bucks Co Joint Mun Auth
All resolvedNwwa Warrington Township
All resolvedNorth Wales Water Authority
Village Of Neshaminy Falls
All resolvedNorth Wales Water Co Blue Bell
Nwwa Logan Square
Nwwa Olde Colonial Greene
Nwwa Pine Run
All resolvedMontgomery Elem Sch
North Wales Water-Blue Bell Sy
Camp Rose Twig
309 Cinema And Drive In
Nwwa Durham Village
All resolvedGarden Golf And Go Karts
Nwwa Yorkshire Meadows
Mark Twain Apartments
Wawa Food Store #215
Nwwa Hermitage
Lancaster Travel Plaza
All resolvedFairtyme Food And Fun
Contaminants Found
At high levels, nitrate can cause blue baby syndrome in infants.
Similar to nitrate — harmful to infants at high levels.
Missed testing deadlines — not a detection of bacteria.
A naturally occurring element that can cause cancer and other health effects at high levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jun 2025
Copper (Cu)
Exceeds limitSampled: Jul 2021
How Does This Compare?
Bryn Mawr (19454) has more violations than 95% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 78.
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.
Whole House Carbon Filter
A solid baseline for improving overall water quality. Reduces chlorine, sediment, and many common contaminants throughout your entire home.
Targets:Chlorine, Sediment, Taste & Odor
Look for:NSF/ANSI 42 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.