Water Quality in Bryn Mawr, PA (19363)
EPA violation data for public water systems serving ZIP code 19363.
Past Health-Based Violations
3 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 80 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.
18,231
Population
27
Water Systems
83
Violations (5yr)
3
Health-Based
Location
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Water Systems Serving This Area (27)
Philadelphia Suburban Water Co
City Of Lancaster
1 health-basedAqua Pa West Chester
All resolvedPa American Royersford
Oxford Borough
All resolvedOxford Gun Club
Bethany Orthodox Presb Church
W.L. Gore At Fair Hill
Oxford Market
All resolvedWyncote Golf Club
All resolvedLa Latina
Oxford Recreation Association
1 health-basedMargheritas Inc
All resolvedMccormick Orthodontics
Dupont Fish And Game
Hostetters Market
All resolvedWilliams Mobile Home Park
1 health-basedScotts Oxford
Little Britain Mhp
All resolvedTimber Lanes
Shadyside Mhp
Grace Baptist Church
Barnsley Academy
All resolvedWeaver Daycare Oxford Rd
First Fruits Catering
Kims Kitchen And Deli
Andres Pizza
All resolvedContaminants 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.
Used to disinfect water — generally safe at regulated levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jun 2025
How Does This Compare?
Bryn Mawr (19363) has more violations than 95% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 83.
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
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
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
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.