Water Quality: Lancaster, PA
11 water systems • 121,292 people served
Multiple Health ViolationsWater Quality Summary
Lancaster has 38 health-based violations on record, meaning one or more contaminants were found above EPA-established safe levels. Contaminants involved: Chlorine Dioxide, Disinfection Byproducts, E. coli, HAA5, Selenium, TTHM, Total Haloacetic Acids (HAA5). In total, 357 violations are on record for 11 water systems serving 121,292 people.
Contaminants Found
Water Systems Serving Lancaster
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| CITY OF LANCASTER | PA7360058 | Surface Water | 120,000 | 8 |
| HAWK VALLEY VILLAGE | PA7360016 | Groundwater | 250 | 83 |
| COUNTRY GARDENS TRAILER COURT | PA6250055 | Groundwater | 180 | 8 |
| ROLLING HILLS MHP | PA7360010 | Groundwater | 150 | 23 |
| TIMBER VILLA | PA7360051 | Groundwater | 140 | 16 |
| HILLTOP ACRES MHP | PA7360075 | Groundwater | 120 | 15 |
| VILLAGE AT SAFE HARBOR | PA7360122 | Groundwater | 120 | 54 |
| DEVON CREEK DEVELOPMENT | PA7360131 | Groundwater | 100 | 64 |
| COCHRANVILLE MHP | PA1150202 | Groundwater | 99 | 23 |
| GROFFDALE MOBILEHOME PARK | PA7360098 | Groundwater | 98 | 21 |
| O YES APTS | PA7380051 | Groundwater | 35 | 42 |
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.
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.