Water Quality: Bryn Mawr, PA
25 water systems • 1,057,337 people served
Multiple Health ViolationsWater Quality Summary
Bryn Mawr is served by 25 public water systems with a combined service population of 1,057,337 people, and has 480 EPA Safe Drinking Water Act violations on record. Critically, 7 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Bryn Mawr's violation count is 77% above the national average for Pennsylvania. Contaminants associated with violations include Chlorine Dioxide, E. coli.
Contaminants Found
Can cause anemia in infants and young children; may cause nervous system effects at high levels.
Common source: Water treatment disinfectant used to control taste, odor, and microorganisms
EPA limit: 0.8 mg/L
Causes gastrointestinal illness; certain strains (e.g., O157:H7) can cause severe kidney failure and death.
Common source: Fecal contamination from humans or animals entering the water supply
EPA limit: Zero (no E. coli permitted in drinking water)
Water Systems Serving Bryn Mawr
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| AQUA PA MAIN SYSTEM | PA1460073 | Surface Water | 822,600 | 103 |
| AQUA PA BENSALEM | PA1090078 | Surface Water | 59,001 | 9 |
| AQUA PA WEST CHESTER | PA1150098 | Surface Water | 48,600 | 73 |
| AQUA PA UWCHLAN | PA1150035 | Surface Water | 35,518 | 5 |
| AQUA PA BRISTOL | PA1090001 | Surface Water | 28,727 | 11 |
| AQUA PA HATBORO | PA1460028 | Surface Water | 12,901 | 183 |
| AQUA PA SUPERIOR MAIN SYSTEM | PA1460085 | Surface Water | 11,400 | 12 |
| AQUA PA FRIENDSHIP | PA1150137 | Groundwater | 8,800 | 0 |
| AQUA PA SPRING RUN | PA1150089 | Surface Water | 8,151 | 9 |
| AQUA PA CHALFONT | PA1090005 | Groundwater | 5,900 | 10 |
| AQUA PA FLYING HILLS WA SYS | PA3060018 | Groundwater | 5,100 | 5 |
| AQUA PA PERKIOMEN TOWNSHIP | PA1460069 | Groundwater | 3,600 | 0 |
| AQUA PA HONEYBROOK | PA1150195 | Groundwater | 1,600 | 4 |
| AQUA PA PERKIOMEN WOODS | PA1460068 | Groundwater | 1,100 | 2 |
| AQUA PA UPPER PROVIDENCE | PA1460015 | Surface Water | 810 | 0 |
| AQUA PA EAST PIKELAND | PA1150006 | Surface Water | 675 | 0 |
| AQUA PA PEDDLERS VIEW | PA1090147 | Groundwater | 600 | 0 |
| AQUA PA STONECROFT | PA3060134 | Groundwater | 600 | 2 |
| AQUA PA SUPERIOR CENTER POINT | PA1460092 | Groundwater | 500 | 10 |
| AQUA PA FRANKLIN | PA1150126 | Groundwater | 265 | 6 |
| AQUA PA SUPERIOR MEADOWBROOK | PA3060137 | Groundwater | 250 | 11 |
| AQUA PA HILLCREST ESTATES II | PA3060133 | Groundwater | 214 | 8 |
| AQUA PA GEIGERTOWN WATER SYS | PA3060030 | Groundwater | 200 | 8 |
| AQUA PA SUPERIOR IVY RIDGE | PA1460007 | Groundwater | 150 | 6 |
| AQUA PA EAST POINTE | PA3061153 | Groundwater | 75 | 3 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in Pennsylvania
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.