A81/100
METRO WATER SERVICES — Water Quality Report 2026
Serving 778,153 people · Tennessee
Water Source
Surface Water
County
—
System ID
TN0000494
Violations
8
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
3
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: June 1, 2024 – June 30, 2024Rule: Total Coliform RuleEnforcement: 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: May 1, 2024 – May 31, 2024Rule: Total Coliform RuleEnforcement: 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: April 1, 2024 – June 30, 2024Rule: Stage 1 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 METRO WATER SERVICES
Is METRO WATER SERVICES water safe to drink?
METRO WATER SERVICES water receives a grade of A (81/100), which is considered excellent. Out of 76 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has METRO WATER SERVICES detected?
76 contaminants were tested in METRO WATER SERVICES's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does METRO WATER SERVICES have any EPA violations?
Yes, METRO WATER SERVICES has 8 EPA violation(s) on record, with the most recent in 2024. Violation types include MON, MR, TT. 2 are health-based violations.
How many people does METRO WATER SERVICES serve?
METRO WATER SERVICES serves approximately 778,153 people, Tennessee. The system provides water to 1 community: Nashville.
What type of water does METRO WATER SERVICES provide?
METRO WATER SERVICES 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 TN0000494.
How does METRO WATER SERVICES compare to other utilities in Tennessee?
METRO WATER SERVICES scores 81/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Tennessee state page for a full comparison of water systems.