Water Quality in Bryn Mawr, PA (19504)
EPA violation data for public water systems serving ZIP code 19504.
Active Health Violations
4 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 96% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
5,335
Population
30
Water Systems
97
Violations (5yr)
4
Health-Based
Location
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Water Systems Serving This Area (30)
Philadelphia Suburban Water Co
Aqua Pa Main System
1 health-basedReading Area Water Authority
1 health-basedNorth Penn Water Authority
Pa American Norristown
All resolvedLorimar Park
North Wales Water Authority
All resolvedWashington Twp Muni Auth
National Center For Padre Pio
Union Jacks Old Congo Hotel
Longacre'S Dairy Bar
Phi&Vic Hungarian Sports Club
Suburban Acres
Calvary United Ch Of Christ
All resolvedBarto Shell
Bethany Evan Congregation Ch
Miss Doreens Playmation Childc
Hoffman'S Dairy Bar
Geisingers Mhp
All resolvedMeadowbrook Mobile Homes
2 health-basedBarto Hotel
Cumru Twp Recreation Building
All resolvedJakes Flea Market
All resolvedLomire Dmd & Associates
All resolvedLongacres Dairy
Schantz Mobilehome Park
Pleasant Run Mhp
All resolvedDuckenfields General Store
Inn At Bally Spring Farm
All resolvedCatering By Pat
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Used to disinfect water — generally safe at regulated levels.
Annual water quality report delivery requirement.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
A naturally occurring element that can cause cancer and other health effects at high levels.
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?
Bryn Mawr (19504) has more violations than 96% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 97.
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.