Water Quality: Harrisburg, PA

15 water systems • 248,203 people served

Multiple Health Violations
489
Total Violations
11
Health-Based Violations
15
Water Systems
248,203
Population Served

Water Quality Summary

Harrisburg is served by 15 public water systems with a combined service population of 248,203 people, and has 489 EPA Safe Drinking Water Act violations on record. Critically, 11 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Harrisburg's violation count is 80% above the national average for Pennsylvania. Contaminants associated with violations include Barium, Chlorine Dioxide, Disinfection Byproducts, Gross Alpha, Total Haloacetic Acids (HAA5).

Contaminants Found

Barium

Increases blood pressure and causes cardiovascular effects with long-term exposure.

Common source: Natural rock deposits, oil drilling operations, coal power plant waste

EPA limit: 2 mg/L

Chlorine Dioxide

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

Disinfection Byproducts

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

Gross Alpha

Alpha-emitting radioactive particles increase cancer risk, particularly from bone and other internal cancers.

Common source: Natural uranium and radium in geological formations

EPA limit: 15 pCi/L (excluding radon and uranium)

Total Haloacetic Acids (HAA5)

Haloacetic acids are associated with increased cancer risk and potential reproductive and developmental effects.

Common source: Reaction of chlorine disinfectants with organic matter in treated water

EPA limit: 0.060 mg/L (60 ppb)

Water Systems Serving Harrisburg

System Name PWSID Source Population Violations
VEOLIA WATER PA7220015 Surface Water 110,000 8
CAPITAL REGION WATER PA7220049 Surface Water 66,540 28
VEOLIA MECHANICSBURG PA7210028 Surface Water 45,013 25
VEOLIA WATER BETHEL PA1230012 Surface Water 7,809 8
VEOLIA WATER PA DALLAS PA2400076 Groundwater 7,563 6
VEOLIA NEWBERRY SYSTEM PA7670061 Groundwater 6,480 0
VEOLIA WATER PA SHAVERTOWN PA2400091 Groundwater 3,472 4
WONDERVIEW WATER CO PA4190015 Groundwater 350 56
VEOLIA WATER PA NOXEN PA2660012 Groundwater 315 0
SUEZ WATER KENSINGTON SYSTEM PA7280064 Surface Water 204 55
VEOLIA WATER PA HARVEYS LAKE PA2400103 Groundwater 200 3
VEOLIA WATER PA BROWN MANOR PA2400073 Groundwater 91 4
ARBOR MANOR APTS PA7500037 Groundwater 76 264
MOUNTAINDALE APARTMENTS PA7220070 Groundwater 50 13
STONEY RUN APT PA7670128 Groundwater 40 15

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

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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.

Verify at epa.govSearch ECHO for PA