F10/100
FIRST U.D. OF HARDIN COUNTY — Water Quality Report 2026
Serving 7,388 people · Tennessee
Water Source
Surface Water
County
—
System ID
TN0000546
Violations
24
Contaminant Test Results
4 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFOS | 0.012 µg/L | 0.004 µg/L | Over Limit |
PFOA | 0.006 µg/L | 0.004 µg/L | Over Limit |
chlorate | 332.53 µg/L | — | Above Goal |
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
1
Unresolved
1
Health-Related
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2021 – August 9, 2021Enforcement: 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 FIRST U.D. OF HARDIN COUNTY
Is FIRST U.D. OF HARDIN COUNTY water safe to drink?
FIRST U.D. OF HARDIN COUNTY water receives a grade of F (10/100), which is considered failing. 2 contaminant(s) exceed EPA legal limits and 24 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has FIRST U.D. OF HARDIN COUNTY detected?
51 contaminants were tested in FIRST U.D. OF HARDIN COUNTY's water. Notable contaminants include PFOS, PFOA, Lead (90th percentile), chlorate. 2 exceed EPA legal limits (MCLs). 4 exceed EPA health goals (MCLGs).
Does FIRST U.D. OF HARDIN COUNTY have any EPA violations?
Yes, FIRST U.D. OF HARDIN COUNTY has 24 EPA violation(s) on record, with the most recent in 2025. Violation types include MCL, Other, MR. 11 are health-based violations.
How many people does FIRST U.D. OF HARDIN COUNTY serve?
FIRST U.D. OF HARDIN COUNTY serves approximately 7,388 people, Tennessee. The system provides water to 1 community: Counce.
What type of water does FIRST U.D. OF HARDIN COUNTY provide?
FIRST U.D. OF HARDIN COUNTY 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 TN0000546.
How does FIRST U.D. OF HARDIN COUNTY compare to other utilities in Tennessee?
FIRST U.D. OF HARDIN COUNTY scores 10/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Tennessee state page for a full comparison of water systems.