D25/100
NORTHWEST CLAY COUNTY UTILITY — Water Quality Report 2026
Serving 4,437 people · Tennessee
Water Source
Surface Water
County
—
System ID
TN0000573
Violations
36
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
5
Violations (last 5yr)
2
Unresolved
3
Health-Related
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2025 – March 31, 2025Rule: Stage 2 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024 – September 25, 2024Enforcement: Resolving — corrective action underway
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2023 – June 30, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2022 – August 1, 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 NORTHWEST CLAY COUNTY UTILITY
Is NORTHWEST CLAY COUNTY UTILITY water safe to drink?
NORTHWEST CLAY COUNTY UTILITY water receives a grade of D (25/100), which is considered poor. 0 contaminant(s) exceed EPA legal limits and 36 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has NORTHWEST CLAY COUNTY UTILITY detected?
31 contaminants were tested in NORTHWEST CLAY COUNTY UTILITY's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does NORTHWEST CLAY COUNTY UTILITY have any EPA violations?
Yes, NORTHWEST CLAY COUNTY UTILITY has 36 EPA violation(s) on record, with the most recent in 2025. Violation types include MCL, Other, MR. 9 are health-based violations.
How many people does NORTHWEST CLAY COUNTY UTILITY serve?
NORTHWEST CLAY COUNTY UTILITY serves approximately 4,437 people, Tennessee. The system provides water to 1 community: Moss.
What type of water does NORTHWEST CLAY COUNTY UTILITY provide?
NORTHWEST CLAY COUNTY UTILITY 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 TN0000573.
How does NORTHWEST CLAY COUNTY UTILITY compare to other utilities in Tennessee?
NORTHWEST CLAY COUNTY UTILITY scores 25/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Tennessee state page for a full comparison of water systems.