Water Quality in Bryn Mawr, PA (19348)
EPA violation data for public water systems serving ZIP code 19348.
Active Health Violations
6 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 100% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
23,621
Population
52
Water Systems
364
Violations (5yr)
6
Health-Based
Location
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Water Systems Serving This Area (52)
Philadelphia Suburban Water Co
Aqua Pa West Chester
All resolvedPa American Royersford
Kennett Square Mun Water Works
Landhope Farms #1
Unionville High School
Charles F Patton Middle School
Kendal Crosslands
Greenwood Elementary School
Unionville Elementary School
Chadds Ford Elementary School
All resolvedLongwood Gardens
1 health-basedGiordanos Restaurant
All resolvedNew Bolton Center
All resolvedWarwick Mushroom Farm
1 health-basedUpland Country Day School
All resolvedSunoco/A-Plus Mini-Mart
Hanks Place
Longwood Inn
Denenno Family Partnership
Tommy Tinkers Inc
All resolvedPhillips Mushroom Farms
All resolvedChetty Bldrs & Growing Place
Everfast Inc
All resolvedBowling Green Inn Brandywine
Sunoco #7244 Kennett Square
Liberty Knoll Apartments
Kaolin Holdings Mushroom Farm
All resolvedDucklings Daycare
2 health-basedStone Barn Rentals
All resolvedItalian American Citizens Leag
Willowdale Chapel
Southmill Champs
All resolvedMinnies Square
Dominos Pizza
Unionville Presbyterian Church
Willowdale Academy Kennett Sq
Longwood Corp. Center South B
Alpine Mushroom Division
Landhope #12
Vfw 5467
Landhope Realty/Sprouts Day
Hartefeld House
Kennett Square Golf & Country
Hercules T Avello M H P
Coniston
Archies Lunch
Catherines Restaurant
1 health-basedUnionville Recreation Assoc
1 health-basedAnvil Inn
Racers World
West Grove Trailer Park
Contaminants 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.
Annual water quality report delivery requirement.
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 (19348) has more violations than 100% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 364.
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
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.