A88/100
WATERVILLE CITY — Water Quality Report 2026
Serving 6,500 people · Ohio
Water Source
Purchased Surface Water
County
—
System ID
OH4801503
Violations
4
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 20.00 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2020.
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 WATERVILLE CITY
Is WATERVILLE CITY water safe to drink?
WATERVILLE CITY water receives a grade of A (88/100), which is considered excellent. Out of 32 contaminants tested, 1 exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has WATERVILLE CITY detected?
32 contaminants were tested in WATERVILLE CITY's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does WATERVILLE CITY have any EPA violations?
Yes, WATERVILLE CITY has 4 EPA violation(s) on record, with the most recent in 2020. Violation types include Other, MR.
How many people does WATERVILLE CITY serve?
WATERVILLE CITY serves approximately 6,500 people, Ohio.
What type of water does WATERVILLE CITY provide?
WATERVILLE CITY sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is OH4801503.
How does WATERVILLE CITY compare to other utilities in Ohio?
WATERVILLE CITY scores 88/100 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.