D33/100
CITY OF LOUISVILLE — Water Quality Report 2026
Serving 7,545 people · Mississippi
Water Source
Groundwater
County
—
System ID
MS0800004
Violations
67
Contaminant Test Results
EPA Violation History
2
Violations (last 5yr)
2
Unresolved
0
Health-Related
TIER 3Unresolved
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, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved
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, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
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 CITY OF LOUISVILLE
Is CITY OF LOUISVILLE water safe to drink?
CITY OF LOUISVILLE water receives a grade of D (33/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 67 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CITY OF LOUISVILLE detected?
31 contaminants were tested in CITY OF LOUISVILLE's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does CITY OF LOUISVILLE have any EPA violations?
Yes, CITY OF LOUISVILLE has 67 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, Other.
How many people does CITY OF LOUISVILLE serve?
CITY OF LOUISVILLE serves approximately 7,545 people, Mississippi. The system provides water to 1 community: Louisville.
What type of water does CITY OF LOUISVILLE provide?
CITY OF LOUISVILLE sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MS0800004.
How does CITY OF LOUISVILLE compare to other utilities in Mississippi?
CITY OF LOUISVILLE scores 33/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Mississippi state page for a full comparison of water systems.