Tap Water Quality Report
Tap water quality in ERIE, Pennsylvania
Tap water in ERIE, Pennsylvania receives a grade of D (68/100) from TapWaterSafety.org. It's served by ERIE CITY WATER AUTHORITY. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in ERIE's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving ERIE.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 41.6 ppb, 693x above the EWG health guideline of 0.06 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 35.6 ppb, 237x above the EWG health guideline of 0.15 ppb.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 21.2 ppb, 212x above the EWG health guideline of 0.1 ppb.
EPA compliance record
Official U.S. EPA records for ERIE CITY WATER AUTHORITY (system ID PA6250028) for the last 3 years. Checked 2026-10-07.
| Rule | Type | Since | Status |
|---|---|---|---|
| Revised Total Coliform Rule | Missed reporting | 08/11/2025 | Resolved |
| Interim and Long Term 1 Enhanced Surface Water Treatment Rule | Missed testing or reporting | 07/01/2023 | Resolved |
| Stage 2 Disinfectants and Disinfection Byproducts Rule | Missed testing or reporting | 04/01/2023 | Resolved |
| Surface Water Treatment Rule | Missed testing or reporting | 02/01/2024 | Resolved |
| Revised Total Coliform Rule | Missed testing | 09/01/2024 | Open |
Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.
Recommended filters for ERIE
Filters matched to the specific contaminants in ERIE'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 ERIE'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 |
41.6 ppb | 0.06 | — | — | — | — | — | 693× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
35.6 ppb | 0.15 | 80.0 | 100 | — | — | — | 237× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
21.2 ppb | 0.1 | 60.0 | 60 | — | — | — | 212× over |
| Bromodichloromethane Disinfection byproduct |
8.41 ppb | 0.06 | — | — | — | — | — | 140× over |
| Trichloroacetic acid Disinfection byproduct |
7.78 ppb | 0.1 | — | — | — | — | — | 78× over |
| Dichloroacetic acid Disinfection byproduct |
12.9 ppb | 0.2 | — | — | — | — | — | 64× over |
| Chloroform Disinfection byproduct |
23.8 ppb | 0.4 | — | — | — | — | — | 60× over |
| Dibromochloromethane Disinfection byproduct |
3.29 ppb | 0.1 | — | — | — | — | — | 33× over |
| Radium, combined (-226 and -228) Radiological |
1.05 pCi/L | 0.05 | 5.0 | — | — | — | — | 21× over |
| Dibromoacetic acid Disinfection byproduct |
0.397 ppb | 0.03 | — | — | — | — | — | 13× over |
| Chromium (hexavalent) Heavy metal |
0.0677 ppb | 0.02 | — | — | — | — | — | 3.4× over |
| Nitrate Inorganic |
0.34 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 2.4× over |
| Chlorate Disinfection byproduct |
65.8 ppb | 210.0 | — | — | — | — | — | Below guideline |
| Bromoform Disinfection byproduct |
0.0458 ppb | 0.5 | — | — | — | — | — | Below guideline |
| Barium Heavy metal |
20.1 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Molybdenum Other |
1.07 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
0.643 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Vanadium Other |
0.0575 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Monobromoacetic acid Disinfection byproduct |
0.048 ppb | 25.0 | — | — | — | — | — | Below guideline |
| 2,4-D Pesticide/Herbicide |
0.0289 ppb | 20.0 | 70.0 | — | — | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.0598 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.157 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.488 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 ERIE CITY WATER AUTHORITY.