Water Quality in Bryn Mawr, PA (19390)

EPA violation data for public water systems serving ZIP code 19390.

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

12,546

Population

31

Water Systems

55

Violations (5yr)

3

Health-Based

Location

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Water Systems Serving This Area (31)

Philadelphia Suburban Water Co

Surface water 130,000 people served
0 violations

Aqua Pa West Chester

All resolved
Surface water 48,600 people served
30 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Pa American Royersford

Surface water 46,847 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb)

London Grove Twp Mun Auth

All resolved
Purchased surface water 4,770 people served
5 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

West Grove Borough

All resolved
Groundwater 2,873 people served
7 violations (5yr) · All resolved

Penn London Elementary School

Groundwater 750 people served
0 violations

Umh Oxford Village Mhp

Groundwater 670 people served
0 violations

Avon Grove Charter School

All resolved
Groundwater 549 people served
1 violation (5yr) · All resolved

Xpress Stop

Groundwater 300 people served
0 violations

Assumption Bvm

Groundwater 297 people served
0 violations

Red Rose Inn

Groundwater 200 people served
0 violations

Mason'S Market

Groundwater 150 people served
0 violations

Tribs Way Station

Groundwater 150 people served
0 violations

Twin Pines Health Care Center

2 health-based
Groundwater 120 people served
9 violations (5yr) · 2 health-based · All resolved

Cp Yeatman Satelite

Groundwater 100 people served
0 violations

Chatham Diner

Groundwater 100 people served
0 violations

Cp Yeatman Home Office

All resolved
Groundwater 100 people served
1 violation (5yr) · All resolved

Von Grove Area Little League

Groundwater 100 people served
0 violations

New London United Methodist

Groundwater 100 people served
0 violations

Casa Italia

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

Kennett Square Cong Of Jw

Groundwater 90 people served
0 violations

Old Time Junction

Groundwater 60 people served
0 violations

Grant Street Mobilehome Park

Groundwater 58 people served
0 violations

Wards Restaurant

Groundwater 45 people served
0 violations

London Grove Friends Meeting

Groundwater 40 people served
0 violations

Southern Chester Co Medical Ce

Groundwater 40 people served
0 violations

Southern Chester Co Medical Ce

Groundwater 40 people served
0 violations

Ice Cream And Coffee Shop

Groundwater 30 people served
0 violations

Avon Grove Church Nazare

Groundwater 25 people served
0 violations

Belly Busters Sub Shoppes

Groundwater 25 people served
0 violations

Cp Yeatman And Sons Inc

Groundwater 20 people served
0 violations

Contaminants Found

Groundwater RuleHealth-Based
6 violations
All resolved
Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

1 violation
Has active
EndothallMonitoring
3 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

3 violations
All resolved
Public NoticeMonitoring
3 violations
All resolved
TTHMMonitoring
2 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
2 violations
All resolved
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

2 violations
All resolved
PicloramMonitoring
1 violation
All resolved
DinosebMonitoring
1 violation
All resolved
Di(2-ethylhexyl) phthalateMonitoring
1 violation
All resolved
CarbofuranMonitoring
1 violation
All resolved
EndrinMonitoring
1 violation
All resolved
LASSOMonitoring
1 violation
All resolved
HexachlorocyclopentadieneMonitoring
1 violation
All resolved
SimazineMonitoring
1 violation
All resolved
Benzo(a)pyreneMonitoring
1 violation
All resolved
Total Polychlorinated Biphenyls (PCB)Monitoring
1 violation
All resolved
2,3,7,8-TCDDMonitoring
1 violation
All resolved
BHC-GAMMAMonitoring
1 violation
All resolved
1,2-DIBROMO-3-CHLOROPROPANEMonitoring
1 violation
All resolved
MethoxychlorMonitoring
1 violation
All resolved
Heptachlor epoxideMonitoring
1 violation
All resolved
DalaponMonitoring
1 violation
All resolved
2,4-DMonitoring
1 violation
All resolved
DiquatMonitoring
1 violation
All resolved
HeptachlorMonitoring
1 violation
All resolved
ChlordaneMonitoring
1 violation
All resolved
Di(2-ethylhexyl) adipateMonitoring
1 violation
All resolved
2,4,5-TPMonitoring
1 violation
All resolved
ToxapheneMonitoring
1 violation
All resolved
GlyphosateMonitoring
1 violation
All resolved
AtrazineMonitoring
1 violation
All resolved
OXAMYLMonitoring
1 violation
All resolved
HEXACHLOROBENZENEMonitoring
1 violation
All resolved
ETHYLENE DIBROMIDEMonitoring
1 violation
All resolved
PentachlorophenolMonitoring
1 violation
All resolved
Radium-226Monitoring
1 violation
All resolved
Radium-228Monitoring
1 violation
All resolved
E. COLIMonitoring
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 (19390) has more violations than 92% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 55.

Fewer violations 92th 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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