F0/100
ERWIN UTILITIES AUTHORITY — Water Quality Report 2026
Serving 12,236 people · Tennessee
Water Source
Groundwater Under Influence of Surface Water
County
—
System ID
TN0000231
Violations
30
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 2012.
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 ERWIN UTILITIES AUTHORITY
Is ERWIN UTILITIES AUTHORITY water safe to drink?
ERWIN UTILITIES AUTHORITY water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 30 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has ERWIN UTILITIES AUTHORITY detected?
69 contaminants were tested in ERWIN UTILITIES AUTHORITY's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does ERWIN UTILITIES AUTHORITY have any EPA violations?
Yes, ERWIN UTILITIES AUTHORITY has 30 EPA violation(s) on record, with the most recent in 2012. Violation types include MR, MCL, TT. 27 are health-based violations.
How many people does ERWIN UTILITIES AUTHORITY serve?
ERWIN UTILITIES AUTHORITY serves approximately 12,236 people, Tennessee. The system provides water to 1 community: Erwin.
What type of water does ERWIN UTILITIES AUTHORITY provide?
ERWIN UTILITIES AUTHORITY sources its water from groundwater under influence of surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is TN0000231.
How does ERWIN UTILITIES AUTHORITY compare to other utilities in Tennessee?
ERWIN UTILITIES AUTHORITY scores 0/100 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.