Water Quality in Bryn Mawr, PA (19422)

EPA violation data for public water systems serving ZIP code 19422.

Past Health-Based Violations

1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 39 monitoring/reporting violations.

More violations than 88% of US ZIP codes.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

20,412

Population

31

Water Systems

40

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (31)

Philadelphia Suburban Water Co

Surface water 900,000 people served
0 violations

Aqua Pa Main System

1 health-based
Surface water 822,600 people served
30 violations (5yr) · 1 health-based · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

North Penn Water Authority

Purchased surface water 91,941 people served
0 violations
Lead tested: 0.5 ppb (limit: 15 ppb)

Pa American Norristown

All resolved
Surface water 88,885 people served
2 violations (5yr) · All resolved
Lead tested: 2 ppb (limit: 15 ppb)

Lorimar Park

Groundwater 75,000 people served
0 violations

North Wales Water Authority

All resolved
Surface water 72,496 people served
8 violations (5yr) · All resolved
Lead tested: 1.6 ppb (limit: 15 ppb)

Sesame Day Camp

Groundwater 1,000 people served
0 violations

St Johns Lutheran Church

Groundwater 730 people served
0 violations

Mermaid Swim And Gc

Groundwater 500 people served
0 violations

East Norriton Water Co

Groundwater 385 people served
0 violations

Gloria Dei Lutheran Church

Groundwater 250 people served
0 violations

M & S Produce Outlet

Groundwater 215 people served
0 violations

Cross Roads Motel

Groundwater 200 people served
0 violations

1097 State Street Lp

Groundwater 195 people served
0 violations

Beachcomber Swim Club

Groundwater 150 people served
0 violations

202 Family Diner

Groundwater 150 people served
0 violations

Oak Lane Day School

Groundwater 120 people served
0 violations

Mccarey'S Pub

Groundwater 100 people served
0 violations

Phila. Aviation Country Club

Groundwater 100 people served
0 violations

Gypsy Rose Motel

Groundwater 100 people served
0 violations

Mcgregors Pub

Groundwater 100 people served
0 violations

Castleford Tailors

Groundwater 94 people served
0 violations

Blue Bell Camp-Sr

Groundwater 75 people served
0 violations

Hausser Scientific Inc

Groundwater 70 people served
0 violations

Pennsylvania Aviation Inc.

Groundwater 70 people served
0 violations

Blue Bell Camp-Jr

Groundwater 70 people served
0 violations

Swiss Cottage

Groundwater 50 people served
0 violations

Penllyn Club

Groundwater 30 people served
0 violations

Meadowlands Country Club

Groundwater 26 people served
0 violations

Trinacria

Groundwater 25 people served
0 violations

Deck Motel

Groundwater 25 people served
0 violations

Contaminants Found

Groundwater RuleHealth-Based
5 violations
All resolved
Interim Enhanced Surface Water Treatment RuleMonitoring
3 violations
All resolved
ChloriteMonitoring
2 violations
All resolved
Surface Water Treatment RuleMonitoring
2 violations
All resolved
Public NoticeMonitoring
1 violation
All resolved
Beryllium, TotalMonitoring
1 violation
All resolved
MercuryMonitoring
1 violation
All resolved
Thallium, TotalMonitoring
1 violation
All resolved
BariumMonitoring
1 violation
All resolved
SeleniumMonitoring
1 violation
All resolved
ChromiumMonitoring
1 violation
All resolved
NickelMonitoring
1 violation
All resolved
CadmiumMonitoring
1 violation
All resolved
Antimony, TotalMonitoring
1 violation
All resolved
CYANIDEMonitoring
1 violation
All resolved
ArsenicMonitoring

A naturally occurring element that can cause cancer and other health effects at high levels.

1 violation
All resolved
FluorideMonitoring
1 violation
All resolved
Gross Alpha, Excl. Radon and UMonitoring
1 violation
All resolved
CARBON, TOTALMonitoring
1 violation
All resolved
Total Haloacetic Acids (HAA5)Monitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jun 2025

How Does This Compare?

Bryn Mawr (19422) has more violations than 88% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 40.

Fewer violations 88th percentile More violations

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.

Whole House Carbon Filter

A solid baseline for improving overall water quality. Reduces chlorine, sediment, and many common contaminants throughout your entire home.

Targets:Chlorine, Sediment, Taste & Odor

Look for:NSF/ANSI 42 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.

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