Water Quality Report · Updated May 12, 2026
WILKINSBURG-PENN JT WATER AUTH
WILKINSBURG-PENN JT WATER AUTH delivers tap water graded C (65/100) by TapWaterSafety.org. The utility serves approximately 125,000 residents in WILKINSBURG, Pennsylvania using surface water. 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. For questions, the utility can be reached at 412-243-6200.
Is WILKINSBURG tap water safe to drink?
WILKINSBURG-PENN JT WATER AUTH delivers tap water that earns a grade of C (65/100) from TapWaterSafety.org — an average rating, with several contaminants above health guidelines but generally compliant with US legal limits.
The utility serves 125,000 residents in WILKINSBURG, drawing from surface water.
Public testing data identifies 11 contaminants in this water above EWG's health-based guidelines, including: Haloacetic acids (HAA9), Total trihalomethanes (TTHMs), Haloacetic acids (HAA5), Bromodichloromethane, Trichloroacetic acid, Chloroform, Dichloroacetic acid, Dibromochloromethane, Dibromoacetic acid, Nitrate, Chromium (hexavalent). For most residents, a properly certified home filter at the kitchen tap is the most cost-effective way to reduce exposure to whatever's in your water. See our filter recommendations below, matched specifically to this utility's contaminant profile.
Quick actions for WILKINSBURG residents
Top concerns in this water
Based on the most recent EPA and EWG data, these are the most significant water quality issues for WILKINSBURG-PENN JT WATER AUTH.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 21.3 ppb, 355x above the EWG health guideline of 0.06 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 47.6 ppb, 317x above the EWG health guideline of 0.15 ppb.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 25.9 ppb, 259x above the EWG health guideline of 0.1 ppb.
Contact WILKINSBURG-PENN JT WATER AUTH
Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.
General Contact
Treatment Plant
Recommended water filters for WILKINSBURG
Filters matched to the specific contaminants in this water supply.
Carbon block (NSF/ANSI 42 + 53)
$40-$750Activated carbon is highly effective for disinfection byproducts like TTHM and HAA5.
Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.
Score breakdown
This utility's overall score of 65/100 breaks down across five weighted components. Read the full methodology →
Contaminants detected — international standards comparison
Every contaminant detected, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal (the strictest US benchmark). 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 |
21.3 ppb | 0.06 | — | — | — | — | — | 355× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
47.6 ppb | 0.15 | 80.0 | 100 | — | — | — | 317× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
25.9 ppb | 0.1 | 60.0 | 60 | — | — | — | 259× over |
| Bromodichloromethane Disinfection byproduct |
12.4 ppb | 0.06 | — | — | — | — | — | 207× over |
| Trichloroacetic acid Disinfection byproduct |
10.4 ppb | 0.1 | — | — | — | — | — | 104× over |
| Chloroform Disinfection byproduct |
30.2 ppb | 0.4 | — | — | — | — | — | 75× over |
| Dichloroacetic acid Disinfection byproduct |
14.5 ppb | 0.2 | — | — | — | — | — | 73× over |
| Dibromochloromethane Disinfection byproduct |
4.74 ppb | 0.1 | — | — | — | — | — | 47× over |
| Dibromoacetic acid Disinfection byproduct |
0.627 ppb | 0.03 | — | — | — | — | — | 21× over |
| Nitrate Inorganic |
0.49 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 3.5× over |
| Chromium (hexavalent) Heavy metal |
0.0588 ppb | 0.02 | — | — | — | — | — | 2.9× over |
| Bromoform Disinfection byproduct |
0.214 ppb | 0.5 | — | — | — | — | — | Below guideline |
| Atrazine Pesticide/Herbicide |
0.0275 ppb | 0.1 | 3.0 | 0.1 | 100 | 0.15 | — | Below guideline |
| Barium Heavy metal |
31.1 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Manganese Heavy metal |
2.22 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.597 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Molybdenum Other |
0.388 ppb | 40.0 | — | — | — | — | — | Below guideline |
| 2,4-D Pesticide/Herbicide |
0.0367 ppb | 20.0 | 70.0 | — | — | — | — | Below guideline |
| Strontium Radiological |
0.1 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| 2-Methoxyethanol Other |
0.0525 ppb | — | — | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.637 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 (4th ed.), California OEHHA PHGs, EWG Tap Water Database.
WILKINSBURG-PENN JT WATER AUTH service area
This water system serves 1 community in Allegheny County, Pennsylvania. Click any city for its dedicated tap water quality page.
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