A92/100
OAK HARBOR VILLAGE — Water Quality Report 2026
Serving 4,615 people · Ohio
Water Source
Purchased Surface Water
County
—
System ID
OH6202603
Violations
8
Contaminant Test Results
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2025 – March 31, 2025Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2025 – March 31, 2025Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
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 OAK HARBOR VILLAGE
Is OAK HARBOR VILLAGE water safe to drink?
OAK HARBOR VILLAGE water receives a grade of A (92/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has OAK HARBOR VILLAGE detected?
31 contaminants were tested in OAK HARBOR VILLAGE's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does OAK HARBOR VILLAGE have any EPA violations?
Yes, OAK HARBOR VILLAGE has 8 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, Other.
How many people does OAK HARBOR VILLAGE serve?
OAK HARBOR VILLAGE serves approximately 4,615 people, Ohio.
What type of water does OAK HARBOR VILLAGE provide?
OAK HARBOR VILLAGE 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 OH6202603.
How does OAK HARBOR VILLAGE compare to other utilities in Ohio?
OAK HARBOR VILLAGE scores 92/100 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.