Water Quality in Bryn Mawr, PA (17555)
EPA violation data for public water systems serving ZIP code 17555.
Active Health Violations
40 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 98% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
7,251
Population
26
Water Systems
142
Violations (5yr)
40
Health-Based
Location
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Water Systems Serving This Area (26)
Philadelphia Suburban Water Co
City Of Lancaster
1 health-basedReading Area Water Authority
1 health-basedAqua Pa West Chester
All resolvedPa American Royersford
Sun Valley Campground
Oak Creek Campground
3 health-basedZerbe Sisters
All resolvedTwin Valley Bible Academy
All resolvedBrookside Mobilehome Park
1 health-basedCaernarvon Fire Company
Pebble Rock Campground
Pequea Christian School
1 health-basedLocustwood Mobilehome Park
All resolvedMt Idy Mobile Home Park
All resolvedReres Cafe
3 health-basedInn At Twin Linden
All resolvedBeartown Enterprise Llc
All resolvedSunoco Bowmansville
Narvon Sunoco
B J Baldwin Electric Inc
30 health-basedPark Road Est
All resolvedKates Place Cafe
Stitts Supply Co
Bella Italia
All resolvedJakeys Amish Barbecue
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Annual water quality report delivery requirement.
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 (17555) has more violations than 98% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 142.
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.