Water Quality: Columbia, PA
3 water systems • 29,286 people served
Multiple Health ViolationsWater Quality Summary
Columbia is served by 3 public water systems with a combined service population of 29,286 people, and has 437 EPA Safe Drinking Water Act violations on record. Critically, 8 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Columbia's violation count is 61% above the national average for Pennsylvania. Contaminants associated with violations include Chlorine Dioxide, Contaminant 2920, Disinfection Byproducts.
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
Broad category of chemicals formed during disinfection, associated with increased cancer risk and adverse reproductive effects.
Common source: Reaction of disinfectants (chlorine, ozone, chloramines) with organic matter
Water Systems Serving Columbia
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| COLUMBIA WATER CO | PA7360123 | Surface Water | 25,200 | 22 |
| EAST DONEGAL | PA7360083 | Groundwater | 4,048 | 379 |
| SCHOOLHOUSE APTS | PA7360029 | Groundwater | 38 | 36 |
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.