Water Quality Report · Updated May 12, 2026

CANTON PUBLIC WATER SYSTEM

Serving 107,113 residents in CANTON, Ohio .

National rank 83th percentile
Ohio rank 97th percentile
Data confidence Medium
Quick answer

CANTON PUBLIC WATER SYSTEM delivers tap water graded C (68/100) by TapWaterSafety.org. The utility serves approximately 107,113 residents in CANTON, Ohio using groundwater. 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. For questions, the utility can be reached at 330-438-6574.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?
107,113
People served
1
City served
23
Contaminants detected
11
Above health guidelines
0
EPA violations (5 yr)

Is CANTON tap water safe to drink?

CANTON PUBLIC WATER SYSTEM delivers tap water that earns a grade of C (68/100) from TapWaterSafety.org — an average rating, with several contaminants above health guidelines but generally compliant with US legal limits.

The utility serves 107,113 residents in CANTON, drawing from groundwater.

Public testing data identifies 11 contaminants in this water above EWG's health-based guidelines, including: Haloacetic acids (HAA9), Total trihalomethanes (TTHMs), Arsenic, Bromodichloromethane, Haloacetic acids (HAA5), Dibromoacetic acid, Dibromochloromethane, Trichloroacetic acid, Dichloroacetic acid, Chloroform, Bromoform. 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.

Top concerns in this water

Based on the most recent EPA and EWG data, these are the most significant water quality issues for CANTON PUBLIC WATER SYSTEM.

Haloacetic acids (HAA9) significantly above health guideline

Moderate concern

Haloacetic 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 concern

Total trihalomethanes (TTHMs) detected at 19.5 ppb, 130x above the EWG health guideline of 0.15 ppb.

Arsenic significantly above health guideline

Moderate concern

Arsenic detected at 0.457 ppb, 114x above the EWG health guideline of 0.004 ppb.

Contact CANTON PUBLIC WATER SYSTEM

Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.

Recommended water filters for CANTON

Filters matched to the specific contaminants in this water supply.

Reverse Osmosis

$249-$750

Arsenic is most effectively removed by reverse osmosis. Some specialized adsorptive filters also work.

AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, P473
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401, P473
Editorial pick · affiliate link coming soon
Waterdrop G3P800 Tankless RO
$600-$750 NSF 58, 372
View on retailer →
Waterdrop N1 Countertop RO
$249-$329 NSF 58, 372
View on retailer →

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 68/100 breaks down across five weighted components. Read the full methodology →

Health Guideline Performance
10 / 40
Legal Compliance
20 / 20
High-Risk Contaminants
20 / 20
Compliance History
10 / 10
Source Water Vulnerability
8 / 10

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
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 (4th ed.), California OEHHA PHGs, EWG Tap Water Database.

CANTON PUBLIC WATER SYSTEM service area

This water system serves 1 community in Stark County, Ohio. Click any city for its dedicated tap water quality page.

About this water system

Public Water System ID
OH7608112
Owner type
Local government
Source water
Groundwater
Service connections
41,074
Service area
CANTON, Stark County, Ohio