B63/100
Massillon Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 101,655 residents · Ohio
What's In Massillon's Tap Water?
66
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2021.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
AQUA OHIO - MOHAWK PWS
Population Served
2,376
Water Source
Groundwater
System ID
OH1000812
AQUA OHIO - BEECHCREST
Population Served
1,496
Water Source
Purchased Groundwater
System ID
OH6705212
AQUA OHIO - MASSILLON PWS
Population Served
95,636
Water Source
Groundwater
System ID
OH7604512
AQUA OHIO - MIDVALE
Population Served
2,147
Water Source
Groundwater
System ID
OH7900612
Frequently Asked Questions About Massillon Water
Is Massillon tap water safe to drink?
Massillon, Ohio tap water receives a grade of B (63/100), which is considered good. Out of 67 contaminants tested, 1 exceed EPA maximum contaminant levels (MCLs) and 2 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Massillon's water?
Of the 67 contaminants tested in Massillon's water supply, the most notable include Copper (90th percentile), Lead (90th percentile). 1 contaminant(s) exceed EPA legal limits (MCLs). 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Massillon have any water quality violations?
Yes, Massillon has 118 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, RPT, TT. 4 of these are health-based violations, which are the most serious category.
Do I need a water filter in Massillon?
Based on EPA data, using a water filter in Massillon is recommended. 1 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does Massillon's tap water come from?
Massillon's drinking water is sourced from groundwater and supplied by AQUA OHIO - MOHAWK PWS and 3 other water system(s). The system serves approximately 101,655 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Massillon's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Massillon's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Massillon's water compare to other cities in Ohio?
Massillon's water quality score of 63/100 earns a grade of B, which is considered good. This is an above-average score compared to many cities nationwide. Visit our Ohio state page to see how all cities in the state compare.
What should I do if I'm concerned about Massillon's water quality?
If you have concerns about Massillon's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (AQUA OHIO - MOHAWK PWS) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.