C42/100
COLUMBUS LIGHT & WATER — Water Quality Report 2026
Serving 23,616 people · Mississippi
Water Source
Groundwater
County
—
System ID
MS0440003
Violations
47
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2008.
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 COLUMBUS LIGHT & WATER
Is COLUMBUS LIGHT & WATER water safe to drink?
COLUMBUS LIGHT & WATER water receives a grade of C (42/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 47 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has COLUMBUS LIGHT & WATER detected?
66 contaminants were tested in COLUMBUS LIGHT & WATER's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does COLUMBUS LIGHT & WATER have any EPA violations?
Yes, COLUMBUS LIGHT & WATER has 47 EPA violation(s) on record, with the most recent in 2008. Violation types include MR, Other, MCL. 2 are health-based violations.
How many people does COLUMBUS LIGHT & WATER serve?
COLUMBUS LIGHT & WATER serves approximately 23,616 people, Mississippi. The system provides water to 1 community: Columbus.
What type of water does COLUMBUS LIGHT & WATER provide?
COLUMBUS LIGHT & WATER sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is MS0440003.
How does COLUMBUS LIGHT & WATER compare to other utilities in Mississippi?
COLUMBUS LIGHT & WATER scores 42/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Mississippi state page for a full comparison of water systems.