Water Quality in Bryn Mawr, PA (19010)

EPA violation data for public water systems serving ZIP code 19010.

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 126 monitoring/reporting violations.

More violations than 97% of US ZIP codes.

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

21,827

Population

62

Water Systems

128

Violations (5yr)

2

Health-Based

Location

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Water Systems Serving This Area (62)

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)

Chester Water Authority

Surface water 140,437 people served
0 violations
Lead tested: 4.76 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)

Phila Sub.Water Co.Crum Creek

Surface water 70,000 people served
0 violations

Aqua Pa Bensalem

All resolved
Purchased surface water 59,001 people served
2 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Neshaminy Creek Water Plant

Surface water 46,000 people served
0 violations

Psw Ridley Creek

Surface water 36,975 people served
0 violations

Aqua Pa Uwchlan

Purchased surface water 35,518 people served
0 violations
Lead tested: 2.21 ppb (limit: 15 ppb)

Aqua Pa Bristol

All resolved
Surface water 28,727 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Aqua Pa Hatboro

All resolved
Purchased surface water 12,901 people served
60 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Aqua Pa Superior Main System

All resolved
Purchased surface water 11,400 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Philadelphia Suburban Water Co

Groundwater 10,816 people served
0 violations

Aqua Pa Friendship

Groundwater 8,800 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Aqua Pa Spring Run

All resolved
Purchased surface water 8,151 people served
3 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Aqua Pa Chalfont

All resolved
Groundwater 5,900 people served
2 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Philadelphia Suburban Water Co

Groundwater 5,788 people served
0 violations

Aqua Pa Flying Hills Wa Sys

All resolved
Groundwater 5,100 people served
2 violations (5yr) · All resolved
Lead tested: 3 ppb (limit: 15 ppb)

Aqua Pa Perkiomen Township

Groundwater 3,600 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Psw-Malvern

Groundwater 3,100 people served
0 violations

Philadelphia Suburban Water Co

Groundwater 2,800 people served
0 violations

Aqua Pa Beversrede

Purchased surface water 2,300 people served
0 violations

Aqua Pa Honeybrook

Groundwater 1,600 people served
0 violations

Aqua Pa Green Hills Corp Cntr

Groundwater 1,500 people served
0 violations

Aqua Pa Culbertson Run

Groundwater 1,396 people served
0 violations

Aqua Pa Willowdale

Purchased surface water 1,300 people served
0 violations

Philadelphia Suburban Water Co

Groundwater 1,200 people served
0 violations

Aqua Pa Perkiomen Woods

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

Aqua Pa Upper Providence

Purchased surface water 810 people served
0 violations

Psw Pocopson

Purchased surface water 729 people served
0 violations

Psw/Brandywine Hospital

Groundwater 711 people served
0 violations

Philadelphia Suburban Water Co

Groundwater 694 people served
0 violations

Aqua Pa East Pikeland

Purchased surface water 675 people served
0 violations

Aqua Pa Stonecroft

All resolved
Groundwater 600 people served
1 violation (5yr) · All resolved

Aqua Pa Peddlers View

Groundwater 600 people served
0 violations

Psw B&E

Groundwater 546 people served
0 violations

Aqua Pa Superior Suburbia Ctr

Groundwater 500 people served
0 violations

Aqua Pa Superior Center Point

1 health-based
Groundwater 500 people served
1 violation (5yr) · 1 health-based · All resolved

Aqua Pa Locust Knoll

Groundwater 388 people served
0 violations

Country Day School Of Sacred H

Groundwater 300 people served
0 violations

Deerfield Knoll Water Company

Groundwater 270 people served
0 violations

Aqua Pa Franklin

All resolved
Groundwater 265 people served
2 violations (5yr) · All resolved

Aqua Pa Superior Meadowbrook

All resolved
Groundwater 250 people served
2 violations (5yr) · All resolved

Psw-Dilworthown

Groundwater 224 people served
0 violations

Aqua Pa Hillcrest Estates Ii

All resolved
Groundwater 214 people served
3 violations (5yr) · All resolved

Psw Lareserve

Groundwater 210 people served
0 violations

Aqua Pa Geigertown Water Sys

All resolved
Groundwater 200 people served
3 violations (5yr) · All resolved

Psw-Kimberwick

Groundwater 200 people served
0 violations

Aqua Pa Manorwood

Groundwater 175 people served
0 violations

Aqua Pa Superior Ivy Ridge

Groundwater 150 people served
0 violations

Hill Top Prep Schoo

Groundwater 130 people served
0 violations

Camp Onaway

Groundwater 121 people served
0 violations

Hilltop Preparatory School

Groundwater 119 people served
0 violations

Psw Castle Rock

Groundwater 88 people served
0 violations

Aqua Pa East Pointe

All resolved
Groundwater 75 people served
1 violation (5yr) · All resolved

Miday Manor Harris Hill

Groundwater 75 people served
0 violations

Friendship Farm Market

Groundwater 50 people served
0 violations

Psw-Ivy Hill

Groundwater 50 people served
0 violations

Aqua Pa Bulk Hauler

All resolved
Purchased surface water 25 people served
3 violations (5yr) · All resolved

Contaminants Found

Groundwater RuleHealth-Based
6 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

9 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
6 violations
All resolved
TTHMMonitoring
6 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
HexachlorocyclopentadieneMonitoring
2 violations
All resolved
Public NoticeMonitoring
1 violation
All resolved
SeleniumMonitoring
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
ArsenicMonitoring

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

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
ChromiumMonitoring
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
DalaponMonitoring
1 violation
All resolved
Di(2-ethylhexyl) adipateMonitoring
1 violation
All resolved
Total Polychlorinated Biphenyls (PCB)Monitoring
1 violation
All resolved
LASSOMonitoring
1 violation
All resolved
2,3,7,8-TCDDMonitoring
1 violation
All resolved
EndrinMonitoring
1 violation
All resolved
Heptachlor epoxideMonitoring
1 violation
All resolved
Benzo(a)pyreneMonitoring
1 violation
All resolved
HeptachlorMonitoring
1 violation
All resolved
ToxapheneMonitoring
1 violation
All resolved
GlyphosateMonitoring
1 violation
All resolved
Di(2-ethylhexyl) phthalateMonitoring
1 violation
All resolved
PicloramMonitoring
1 violation
All resolved
2,4-DMonitoring
1 violation
All resolved
OXAMYLMonitoring
1 violation
All resolved
AtrazineMonitoring
1 violation
All resolved
SimazineMonitoring
1 violation
All resolved
EndothallMonitoring
1 violation
All resolved
HEXACHLOROBENZENEMonitoring
1 violation
All resolved
BHC-GAMMAMonitoring
1 violation
All resolved
MethoxychlorMonitoring
1 violation
All resolved
PentachlorophenolMonitoring
1 violation
All resolved
ETHYLENE DIBROMIDEMonitoring
1 violation
All resolved
CarbofuranMonitoring
1 violation
All resolved
ChlordaneMonitoring
1 violation
All resolved
DiquatMonitoring
1 violation
All resolved
DinosebMonitoring
1 violation
All resolved
2,4,5-TPMonitoring
1 violation
All resolved
1,2-DIBROMO-3-CHLOROPROPANEMonitoring
1 violation
All resolved
Radium-226Monitoring
1 violation
All resolved
Radium-228Monitoring
1 violation
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

1 violation
All resolved
Combined Radium (-226 and -228)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 (19010) has more violations than 97% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 128.

Fewer violations 97th 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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