F0/100
SHELBY CITY — Water Quality Report 2026
Serving 9,453 people · Ohio
Water Source
Surface Water
County
—
System ID
OH7004511
Violations
44
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 10.00 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2018.
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 SHELBY CITY
Is SHELBY CITY water safe to drink?
SHELBY CITY water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 44 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has SHELBY CITY detected?
32 contaminants were tested in SHELBY CITY's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does SHELBY CITY have any EPA violations?
Yes, SHELBY CITY has 44 EPA violation(s) on record, with the most recent in 2018. Violation types include Other, MR, MCL. 19 are health-based violations.
How many people does SHELBY CITY serve?
SHELBY CITY serves approximately 9,453 people, Ohio.
What type of water does SHELBY CITY provide?
SHELBY CITY sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is OH7004511.
How does SHELBY CITY compare to other utilities in Ohio?
SHELBY CITY scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Ohio state page for a full comparison of water systems.