Water Quality in Bryn Mawr, PA (19520)
EPA violation data for public water systems serving ZIP code 19520.
Past Health-Based Violations
2 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 70 monitoring/reporting violations.
More violations than 94% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
6,277
Population
29
Water Systems
72
Violations (5yr)
2
Health-Based
Location
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Water Systems Serving This Area (29)
Philadelphia Suburban Water Co
Reading Area Water Authority
1 health-basedAqua Pa West Chester
All resolvedPa American Royersford
Elverson Water Company
All resolvedTwin Valley Middle School
Twin Valley Senior High School
Hopewell Christian Fellowship
1 health-basedGraco Children Products Co.
Twin Valley Robeson Elem Sch
Twin Valley Field House
French Creek State Park
Elverson Borough Water Assoc
French Creek State Park
All resolvedHopewell Furnace Nhs
All resolvedMorningside Pre-School Center
Comm Evangelical Free Church
Jennelles Market
Valley View Mobilehome Park
Elverson Deli
St Mary Of Providence Center
All resolvedPaolas Pizza
All resolvedAction Impact
Stonewall North Course
All resolvedLangoma Water Association
Stonewall Old Course
All resolvedBrandywine Branch Bistro
Sandy Hill Amish School
Crows Nest Preserve
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.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jun 2025
Copper (Cu)
Exceeds limitSampled: Jan 2022
How Does This Compare?
Bryn Mawr (19520) has more violations than 94% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 72.
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.
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.