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 limit0 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.