A97/100
AQUA OHIO - MASSILLON PWS — Water Quality Report 2026
Serving 95,636 people · Ohio
Water Source
Groundwater
County
—
System ID
OH7604512
Violations
3
Contaminant Test Results
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
Frequently Asked Questions About AQUA OHIO - MASSILLON PWS
Is AQUA OHIO - MASSILLON PWS water safe to drink?
AQUA OHIO - MASSILLON PWS water receives a grade of A (97/100), which is considered excellent. Out of 66 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has AQUA OHIO - MASSILLON PWS detected?
66 contaminants were tested in AQUA OHIO - MASSILLON PWS's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does AQUA OHIO - MASSILLON PWS have any EPA violations?
Yes, AQUA OHIO - MASSILLON PWS has 3 EPA violation(s) on record, with the most recent in 2021. Violation types include MR, Other.
How many people does AQUA OHIO - MASSILLON PWS serve?
AQUA OHIO - MASSILLON PWS serves approximately 95,636 people, Ohio.
What type of water does AQUA OHIO - MASSILLON PWS provide?
AQUA OHIO - MASSILLON PWS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is OH7604512.
How does AQUA OHIO - MASSILLON PWS compare to other utilities in Ohio?
AQUA OHIO - MASSILLON PWS scores 97/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Ohio state page for a full comparison of water systems.