B72/100
COWAN BOARD OF PUBLIC UTILITIES — Water Quality Report 2026
Serving 2,587 people · Tennessee
Water Source
Groundwater Under Influence of Surface Water
County
—
System ID
TN0000146
Violations
10
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.60 mg/L | 1.30 mg/L | Over Limit |
chlorate | 328.89 µg/L | — | Above Goal |
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 2017.
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 COWAN BOARD OF PUBLIC UTILITIES
Is COWAN BOARD OF PUBLIC UTILITIES water safe to drink?
COWAN BOARD OF PUBLIC UTILITIES water receives a grade of B (72/100), which is considered good. Out of 28 contaminants tested, 1 exceed EPA legal limits. 3 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has COWAN BOARD OF PUBLIC UTILITIES detected?
28 contaminants were tested in COWAN BOARD OF PUBLIC UTILITIES's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile), chlorate. 1 exceed EPA legal limits (MCLs). 3 exceed EPA health goals (MCLGs).
Does COWAN BOARD OF PUBLIC UTILITIES have any EPA violations?
Yes, COWAN BOARD OF PUBLIC UTILITIES has 10 EPA violation(s) on record, with the most recent in 2017. Violation types include Other, MR, MCL. 1 are health-based violations.
How many people does COWAN BOARD OF PUBLIC UTILITIES serve?
COWAN BOARD OF PUBLIC UTILITIES serves approximately 2,587 people, Tennessee. The system provides water to 1 community: Cowan.
What type of water does COWAN BOARD OF PUBLIC UTILITIES provide?
COWAN BOARD OF PUBLIC UTILITIES 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 TN0000146.
How does COWAN BOARD OF PUBLIC UTILITIES compare to other utilities in Tennessee?
COWAN BOARD OF PUBLIC UTILITIES scores 72/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Tennessee state page for a full comparison of water systems.