Water Quality in Bryn Mawr, PA (19426)

EPA violation data for public water systems serving ZIP code 19426.

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

43,460

Population

44

Water Systems

86

Violations (5yr)

9

Health-Based

Location

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Water Systems Serving This Area (44)

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)

Collegeville Trappe Joint Pwd

All resolved
Groundwater 8,470 people served
3 violations (5yr) · All resolved
Lead tested: 3 ppb (limit: 15 ppb)

S C I Graterford

Purchased surface water 3,000 people served
0 violations

Perkiomen Valley High School

Groundwater 1,050 people served
0 violations

Springford Sd-Ford Element

Groundwater 487 people served
0 violations

Superior Tube Company

Groundwater 450 people served
0 violations

Arrowhead Elem

Groundwater 444 people served
0 violations

Evansburg Water Co-Perk Div

Groundwater 315 people served
0 violations

Valley Forge Baptist Temple

Groundwater 200 people served
0 violations

Yerkes Water Association

1 health-based
Groundwater 165 people served
6 violations (5yr) · 1 health-based · All resolved

Cornerstone Plaza

Groundwater 150 people served
0 violations

Willow Creek Farm Preserve

Groundwater 150 people served
0 violations

Evansburg State Park

1 health-based
Groundwater 100 people served
9 violations (5yr) · 1 health-based

J A T C

Groundwater 100 people served
0 violations

Ibew Local 380

Groundwater 100 people served
0 violations

Evansburg State Park

Groundwater 100 people served
0 violations

Lower Perkiomen Little League

Groundwater 100 people served
0 violations

Mont Co Farm Home And 4h Fnd

Groundwater 91 people served
0 violations

Collegeville Park Water Assoc

Groundwater 75 people served
0 violations

Westy'S Steak Shop

Groundwater 75 people served
0 violations

Worcester Golf Course

Groundwater 72 people served
0 violations

Osteria Evansburg

Groundwater 50 people served
0 violations

Ritas Water Ice

Groundwater 50 people served
0 violations

Spring Meadow Farms

Groundwater 50 people served
0 violations

Gravel Pike Inn

1 health-based
Groundwater 50 people served
2 violations (5yr) · 1 health-based · All resolved

St James Episcopal Church

Groundwater 42 people served
0 violations

Perkiomen Fire Company

Groundwater 40 people served
0 violations

Creative Beginings

Groundwater 39 people served
0 violations

Saint Episcopal Church

Groundwater 35 people served
0 violations

Springford Sd District Office

Groundwater 30 people served
0 violations

Methacton Video Game Room

Groundwater 30 people served
0 violations

Eon'S

Groundwater 25 people served
0 violations

Collegeville Flag & Mfg. Co.

Groundwater 25 people served
0 violations

Three Brothers Mexican Grill

5 health-based
Groundwater 25 people served
24 violations (5yr) · 5 health-based

Evansburg Deli

Groundwater 25 people served
0 violations

Srf Delicatessen

Groundwater 25 people served
0 violations

Perkiomen View Hotel

All resolved
Groundwater 25 people served
1 violation (5yr) · All resolved

Rodeo Corner

All resolved
Groundwater 25 people served
1 violation (5yr) · All resolved

Perkiomen Fire Co.

Groundwater 25 people served
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

26 violations
Has active
Groundwater RuleHealth-Based
10 violations
All resolved
Public NoticeMonitoring
9 violations
Has active
Interim Enhanced Surface Water Treatment RuleMonitoring
3 violations
All resolved
ChloriteMonitoring
2 violations
All resolved
Surface Water Treatment RuleMonitoring
2 violations
All resolved
E. COLIMonitoring
2 violations
Has active
CadmiumMonitoring
1 violation
All resolved
Beryllium, TotalMonitoring
1 violation
All resolved
MercuryMonitoring
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
Thallium, TotalMonitoring
1 violation
All resolved
BariumMonitoring
1 violation
All resolved
SeleniumMonitoring
1 violation
All resolved
ChromiumMonitoring
1 violation
All resolved
FluorideMonitoring
1 violation
All resolved
NickelMonitoring
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
TTHMMonitoring
1 violation
All resolved
Radium-228Monitoring
1 violation
All resolved
Radium-226Monitoring
1 violation
All resolved
NitriteMonitoring

Similar to nitrate — harmful to infants at high levels.

1 violation
All resolved
NitrateMonitoring

At high levels, nitrate can cause blue baby syndrome in infants.

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 (19426) has more violations than 95% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 86.

Fewer violations 95th 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.

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.

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