Water Quality in Bryn Mawr, PA (19330)
EPA violation data for public water systems serving ZIP code 19330.
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 44 monitoring/reporting violations.
More violations than 90% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
5,957
Population
10
Water Systems
46
Violations (5yr)
2
Health-Based
Location
Loading map...
Water Systems Serving This Area (10)
Philadelphia Suburban Water Co
Aqua Pa West Chester
All resolvedPa American Royersford
Holly Tree Acres Mhp Sys 2
Brandywine Foods Inc.
Martins Community Lp Mhp
All resolvedGeorge Fox Friends School
Limestone Pizza
All resolvedPasquales Pizza And Carryout
2 health-basedCochranville Meat Market
Contaminants Found
At high levels, nitrate can cause blue baby syndrome in infants.
Missed testing deadlines — not a detection of bacteria.
Used to disinfect water — generally safe at regulated levels.
Similar to nitrate — harmful to infants at high levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jun 2025
How Does This Compare?
Bryn Mawr (19330) has more violations than 90% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 46.
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
One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.
Targets:Nitrate, Nitrite, Dissolved Solids
Look for:NSF/ANSI 58 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.