D29/100
LYON COUNTY WATER DISTRICT — Water Quality Report 2026
Serving 6,744 people · Kentucky
Water Source
Purchased Surface Water
County
—
System ID
KY0720933
Violations
23
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 2.50 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
6
Violations (last 5yr)
0
Unresolved
5
Health-Related
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2025 – June 30, 2025Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2025 – March 31, 2025Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2024 – September 30, 2024Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: September 1, 2021 – September 30, 2021Rule: Total Coliform RuleEnforcement: 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 LYON COUNTY WATER DISTRICT
Is LYON COUNTY WATER DISTRICT water safe to drink?
LYON COUNTY WATER DISTRICT water receives a grade of D (29/100), which is considered poor. 1 contaminant(s) exceed EPA legal limits and 23 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has LYON COUNTY WATER DISTRICT detected?
32 contaminants were tested in LYON COUNTY WATER DISTRICT's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does LYON COUNTY WATER DISTRICT have any EPA violations?
Yes, LYON COUNTY WATER DISTRICT has 23 EPA violation(s) on record, with the most recent in 2025. Violation types include MCL, MON, Other. 10 are health-based violations.
How many people does LYON COUNTY WATER DISTRICT serve?
LYON COUNTY WATER DISTRICT serves approximately 6,744 people, Kentucky.
What type of water does LYON COUNTY WATER DISTRICT provide?
LYON COUNTY WATER DISTRICT 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 KY0720933.
How does LYON COUNTY WATER DISTRICT compare to other utilities in Kentucky?
LYON COUNTY WATER DISTRICT scores 29/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Kentucky state page for a full comparison of water systems.