Water Quality in Bryn Mawr, PA (19344)
EPA violation data for public water systems serving ZIP code 19344.
Active Health Violations
16 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.
12,827
Population
35
Water Systems
138
Violations (5yr)
16
Health-Based
Location
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Water Systems Serving This Area (35)
Philadelphia Suburban Water Co
City Of Lancaster
1 health-basedAqua Pa West Chester
All resolvedPa American Royersford
Honey Brook Boro Water
All resolvedTel Hai Retirement Community
All resolvedAll Seasons Resort Inc
Berry Patch Cpgrd
Honey Brook Golf Club
Brandywine Meadows Campground
Lavender Hall
Hickory House
Heatherwood Retirement Home
Two Log Campground
Country Bonnet Family Rest
Tel Hai Camp
1 health-basedJust Moms
All resolvedHoney Brook Barbecue
All resolvedSeptember Farms
All resolvedLazy Acres Mobile Home Park
Maple Inn
All resolvedPine Terrace Mobile Home Park
All resolvedPeddler Inn
Kings Highway Inn
Hartz-Gable Groceries
Scaramuzzino Bakery
St. Mark'S Episcopal Church
Chester County Beverage
Rv Industries
Twin County Rest.
Lanchester Landfill
14 health-basedC&S Deli
Barneston Store
Pasquales Pizza
Federated Medical Resources
Contaminants Found
A naturally occurring element that can cause cancer and other health effects at high levels.
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 and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jun 2025
Copper (Cu)
Exceeds limitSampled: Jun 2025
How Does This Compare?
Bryn Mawr (19344) has more violations than 98% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 138.
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.