B68/100
COLUMBIA/ADAIR UTILITIES DISTRICT — Water Quality Report 2026
Serving 22,113 people · Kentucky
Water Source
Surface Water
County
—
System ID
KY0011016
Violations
16
Contaminant Test Results
EPA Violation History
2
Violations (last 5yr)
1
Unresolved
1
Health-Related
TIER 2Unresolved
Maximum contaminant level violation
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2021 – June 24, 2022Enforcement: 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 COLUMBIA/ADAIR UTILITIES DISTRICT
Is COLUMBIA/ADAIR UTILITIES DISTRICT water safe to drink?
COLUMBIA/ADAIR UTILITIES DISTRICT water receives a grade of B (68/100), which is considered good. Out of 61 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has COLUMBIA/ADAIR UTILITIES DISTRICT detected?
61 contaminants were tested in COLUMBIA/ADAIR UTILITIES DISTRICT's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does COLUMBIA/ADAIR UTILITIES DISTRICT have any EPA violations?
Yes, COLUMBIA/ADAIR UTILITIES DISTRICT has 16 EPA violation(s) on record, with the most recent in 2025. Violation types include TT, Other, MR. 4 are health-based violations.
How many people does COLUMBIA/ADAIR UTILITIES DISTRICT serve?
COLUMBIA/ADAIR UTILITIES DISTRICT serves approximately 22,113 people, Kentucky.
What type of water does COLUMBIA/ADAIR UTILITIES DISTRICT provide?
COLUMBIA/ADAIR UTILITIES DISTRICT 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 KY0011016.
How does COLUMBIA/ADAIR UTILITIES DISTRICT compare to other utilities in Kentucky?
COLUMBIA/ADAIR UTILITIES DISTRICT scores 68/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Kentucky state page for a full comparison of water systems.