Tap Water Quality Report
Tap water quality in HARRISBURG, Pennsylvania
Tap water in HARRISBURG, Pennsylvania receives a grade of C (72/100) from TapWaterSafety.org. It's served by 2 public water systems, primarily CAPITAL REGION WATER. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in HARRISBURG's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utilities serving HARRISBURG.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 45.7 ppb, 762x above the EWG health guideline of 0.06 ppb.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 45.0 ppb, 450x above the EWG health guideline of 0.1 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 51.6 ppb, 344x above the EWG health guideline of 0.15 ppb.
EPA compliance record
Official U.S. EPA records for CAPITAL REGION WATER (system ID PA7220049) for the last 3 years. Checked 2026-10-07.
| Rule | Type | Since | Status |
|---|---|---|---|
| Synthetic Organic Chemicals | Missed testing or reporting | 01/01/2023 | Resolved |
Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.
Water systems serving HARRISBURG
HARRISBURG is served by 2 public water systems. Click any utility to see its complete grade card and treatment plant contact info.
CAPITAL REGION WATER
- Haloacetic acids (HAA9) significantly above health guideline
- Haloacetic acids (HAA5) significantly above health guideline
- Total trihalomethanes (TTHMs) significantly above health guideline
VEOLIA WATER
- Haloacetic acids (HAA9) significantly above health guideline
- Haloacetic acids (HAA5) significantly above health guideline
- Total trihalomethanes (TTHMs) significantly above health guideline
Recommended filters for HARRISBURG
Filters matched to the specific contaminants in HARRISBURG's water supply.
Carbon filter certified for VOCs (NSF/ANSI 53)
$180-$599Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.
Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.
All contaminants detected in HARRISBURG's tap water
Every contaminant identified, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal. Why we show multiple standards →
| Contaminant | Detected | EWG US health-based |
EPA US legal |
EU DWD Europe |
WHO global |
CA PHG strictest US |
Tested sample year |
Status |
|---|---|---|---|---|---|---|---|---|
| Haloacetic acids (HAA9) Disinfection byproduct |
45.7 ppb | 0.06 | — | — | — | — | — | 762× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
45.0 ppb | 0.1 | 60.0 | 60 | — | — | — | 450× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
55.5 ppb | 0.15 | 80.0 | 100 | — | — | — | 370× over |
| Trichloroacetic acid Disinfection byproduct |
23.3 ppb | 0.1 | — | — | — | — | — | 233× over |
| Bromodichloromethane Disinfection byproduct |
10.4 ppb | 0.06 | — | — | — | — | — | 173× over |
| Chloroform Disinfection byproduct |
46.7 ppb | 0.4 | — | — | — | — | — | 117× over |
| Dichloroacetic acid Disinfection byproduct |
20.8 ppb | 0.2 | — | — | — | — | — | 104× over |
| Dibromochloromethane Disinfection byproduct |
1.96 ppb | 0.1 | — | — | — | — | — | 20× over |
| Nitrate Inorganic |
1.75 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 13× over |
| Chromium (hexavalent) Heavy metal |
0.0916 ppb | 0.02 | — | — | — | — | — | 4.6× over |
| Dibromoacetic acid Disinfection byproduct |
0.11 ppb | 0.03 | — | — | — | — | — | 3.7× over |
| Chlorate Disinfection byproduct |
138.3 ppb | 210.0 | — | — | — | — | — | Below guideline |
| Atrazine Pesticide/Herbicide |
0.0383 ppb | 0.1 | 3.0 | 0.1 | 100 | 0.15 | — | Below guideline |
| Manganese Heavy metal |
7.83 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Barium Heavy metal |
29.5 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Monobromoacetic acid Disinfection byproduct |
0.712 ppb | 25.0 | — | — | — | — | — | Below guideline |
| 1,4-Dioxane Semi-volatile organic compound |
0.00933 ppb | 0.35 | — | — | 50 | 1 | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.971 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Cyanide (free) Inorganic |
0.833 ppb | 150.0 | — | 50 | 70 | 150 | — | Below guideline |
| Vanadium Other |
0.116 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Perfluoropentanoic Acid (PFPeA) PFAS |
1.2 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Perfluorohexanoic Acid (PFHxA) PFAS |
1.0 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Perfluorobutane sulfonate (PFBS) PFAS |
1.33 ppt | 2000.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.146 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Chromium (total) Heavy metal |
0.45 ppb | — | 100.0 | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.492 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.
Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines, California OEHHA PHGs, EWG Tap Water Database.
Treatment plant contact info
For service issues, water quality concerns, or to request a Consumer Confidence Report from CAPITAL REGION WATER.