Water Quality in Bryn Mawr, PA (19401)

EPA violation data for public water systems serving ZIP code 19401.

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

43,359

Population

24

Water Systems

573

Violations (5yr)

4

Health-Based

Location

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Water Systems Serving This Area (24)

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) ✓

Pa American Evansburg

Purchased surface water 2,060 people served
0 violations

Norristown State Hospital

Groundwater 2,000 people served
0 violations

Burger King #3600

Groundwater 1,000 people served
0 violations

Jefferson House Restaurant

Groundwater 650 people served
0 violations

Valley View M.H.P.-Ehprata

Groundwater 275 people served
0 violations

First Baptist Church

Groundwater 200 people served
0 violations

Center Point Training Center

Groundwater 120 people served
0 violations

Jimmys Swim Club

Groundwater 100 people served
0 violations

Taco Pizza

3 health-based
Groundwater 75 people served
8 violations (5yr) · 3 health-based

Paw Berry Hollow

Groundwater 70 people served
0 violations

Bell Telephone Of Pa

Groundwater 65 people served
0 violations

Developmental Enterprises

Groundwater 53 people served
0 violations

Beaver Run Water Association

Groundwater 50 people served
525 violations (5yr)
Copper tested: 3360 ppb (limit: 1300 ppb) Lead tested: 63.45 ppb (limit: 15 ppb)

Peter Wentz Farmstead

Groundwater 50 people served
0 violations

Presidential Caterers

Groundwater 25 people served
0 violations

Sunrise Mill Historic Site

Groundwater 25 people served
0 violations

Texaco-Norristown

Groundwater 25 people served
0 violations

Joes Water Ice

Groundwater 25 people served
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

8 violations
Has active
Groundwater RuleHealth-Based
5 violations
All resolved
Total Polychlorinated Biphenyls (PCB)Monitoring
13 violations
All resolved
BHC-GAMMAMonitoring
13 violations
All resolved
EndrinMonitoring
12 violations
All resolved
HeptachlorMonitoring
12 violations
All resolved
DiquatMonitoring
12 violations
All resolved
ETHYLENE DIBROMIDEMonitoring
12 violations
All resolved
2,3,7,8-TCDDMonitoring
12 violations
All resolved
HEXACHLOROBENZENEMonitoring
12 violations
All resolved
AtrazineMonitoring
12 violations
All resolved
DinosebMonitoring
12 violations
All resolved
Di(2-ethylhexyl) phthalateMonitoring
12 violations
All resolved
CarbofuranMonitoring
12 violations
All resolved
ToxapheneMonitoring
12 violations
All resolved
Benzo(a)pyreneMonitoring
12 violations
All resolved
HexachlorocyclopentadieneMonitoring
12 violations
All resolved
PentachlorophenolMonitoring
12 violations
All resolved
SimazineMonitoring
12 violations
All resolved
Di(2-ethylhexyl) adipateMonitoring
12 violations
All resolved
DalaponMonitoring
12 violations
All resolved
ChlordaneMonitoring
12 violations
All resolved
Heptachlor epoxideMonitoring
12 violations
All resolved
LASSOMonitoring
12 violations
All resolved
2,4-DMonitoring
12 violations
All resolved
2,4,5-TPMonitoring
12 violations
All resolved
GlyphosateMonitoring
12 violations
All resolved
OXAMYLMonitoring
12 violations
All resolved
1,2-DIBROMO-3-CHLOROPROPANEMonitoring
12 violations
All resolved
PicloramMonitoring
12 violations
All resolved
MethoxychlorMonitoring
12 violations
All resolved
EndothallMonitoring
12 violations
All resolved
Public NoticeMonitoring
5 violations
Has active
Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

5 violations
Has active
Interim Enhanced Surface Water Treatment RuleMonitoring
3 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
3 violations
All resolved
ChloriteMonitoring
2 violations
All resolved
Surface Water Treatment RuleMonitoring
2 violations
All resolved
TTHMMonitoring
2 violations
All resolved
Thallium, TotalMonitoring
1 violation
All resolved
BariumMonitoring
1 violation
All resolved
SeleniumMonitoring
1 violation
All resolved
ChromiumMonitoring
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
NickelMonitoring
1 violation
All resolved
Antimony, TotalMonitoring
1 violation
All resolved
CYANIDEMonitoring
1 violation
All resolved
Beryllium, TotalMonitoring
1 violation
All resolved
MercuryMonitoring
1 violation
All resolved
CadmiumMonitoring
1 violation
All resolved
Gross Alpha, Excl. Radon and UMonitoring
1 violation
All resolved
CARBON, TOTALMonitoring
1 violation
All resolved
AsbestosMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jun 2025

Copper (Cu)

Exceeds limit
3360 ppb measured Action level: 1300 ppb

Sampled: Jan 2022

How Does This Compare?

Bryn Mawr (19401) has more violations than 100% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 573.

Fewer violations 100th 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

NSF Certified Products → EPA Safe Drinking Water Guide →

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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