Tap Water Quality Report
Tap water quality in CANTON, Ohio
Tap water in CANTON, Ohio receives a grade of C (74/100) from TapWaterSafety.org. It's served by CANTON PUBLIC WATER SYSTEM. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline; Arsenic significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in CANTON's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving CANTON.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 13.6 ppb, 227x above the EWG health guideline of 0.06 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 19.5 ppb, 130x above the EWG health guideline of 0.15 ppb.
Arsenic significantly above health guideline
Moderate concernArsenic detected at 0.457 ppb, 114x above the EWG health guideline of 0.004 ppb.
EPA compliance record
Official U.S. EPA records for CANTON PUBLIC WATER SYSTEM (system ID OH7608112) for the last 3 years. Checked 2026-10-07.
| Rule | Type | Since | Status |
|---|---|---|---|
| Consumer Confidence Rule | Other (e.g. public notice) | 12/31/2020 | 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 CANTON
Filters matched to the specific contaminants in CANTON'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.
Reverse osmosis certified for arsenic (NSF/ANSI 58)
$429-$599Reverse osmosis certified under NSF/ANSI 58 for arsenic is the most reliable home option.
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 CANTON'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 |
13.6 ppb | 0.06 | — | — | — | — | — | 227× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
19.5 ppb | 0.15 | 80.0 | 100 | — | — | — | 130× over |
| Arsenic Heavy metal |
0.457 ppb | 0.004 | 10.0 | 10 | 10 | 0.004 | — | 114× over |
| Bromodichloromethane Disinfection byproduct |
5.74 ppb | 0.06 | — | — | — | — | — | 96× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
9.54 ppb | 0.1 | 60.0 | 60 | — | — | — | 95× over |
| Dibromoacetic acid Disinfection byproduct |
2.18 ppb | 0.03 | — | — | — | — | — | 73× over |
| Dibromochloromethane Disinfection byproduct |
4.66 ppb | 0.1 | — | — | — | — | — | 47× over |
| Trichloroacetic acid Disinfection byproduct |
3.11 ppb | 0.1 | — | — | — | — | — | 31× over |
| Dichloroacetic acid Disinfection byproduct |
4.75 ppb | 0.2 | — | — | — | — | — | 24× over |
| Chloroform Disinfection byproduct |
6.19 ppb | 0.4 | — | — | — | — | — | 15× over |
| Bromoform Disinfection byproduct |
1.11 ppb | 0.5 | — | — | — | — | — | 2.2× over |
| Nitrate Inorganic |
0.041 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | Below guideline |
| Chromium (hexavalent) Heavy metal |
0.00438 ppb | 0.02 | — | — | — | — | — | Below guideline |
| 1,4-Dioxane Semi-volatile organic compound |
0.06 ppb | 0.35 | — | — | 50 | 1 | — | Below guideline |
| Nitrate and nitrite Inorganic |
0.0185 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | Below guideline |
| Barium Heavy metal |
78.7 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Manganese Heavy metal |
0.917 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| 1,1-Dichloroethane Volatile organic compound |
0.00883 ppb | 3.0 | — | — | — | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.0875 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.235 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| 2-Methoxyethanol Other |
0.635 ppb | — | — | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.732 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Lithium Other |
6.63 ppb | — | — | — | — | — | — | 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 CANTON PUBLIC WATER SYSTEM.