A82/100
WATER AUTH OF DICKSON COUNTY — Water Quality Report 2026
Serving 66,725 people · Tennessee
Water Source
Surface Water
County
—
System ID
TN0000191
Violations
8
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 340.00 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 2014.
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 WATER AUTH OF DICKSON COUNTY
Is WATER AUTH OF DICKSON COUNTY water safe to drink?
WATER AUTH OF DICKSON COUNTY water receives a grade of A (82/100), which is considered excellent. Out of 76 contaminants tested, none exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has WATER AUTH OF DICKSON COUNTY detected?
76 contaminants were tested in WATER AUTH OF DICKSON COUNTY's water. Notable contaminants include Lead (90th percentile), chlorate. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does WATER AUTH OF DICKSON COUNTY have any EPA violations?
Yes, WATER AUTH OF DICKSON COUNTY has 8 EPA violation(s) on record, with the most recent in 2014. Violation types include MCL, Other, MR. 1 are health-based violations.
How many people does WATER AUTH OF DICKSON COUNTY serve?
WATER AUTH OF DICKSON COUNTY serves approximately 66,725 people, Tennessee. The system provides water to 1 community: Dickson.
What type of water does WATER AUTH OF DICKSON COUNTY provide?
WATER AUTH OF DICKSON 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 TN0000191.
How does WATER AUTH OF DICKSON COUNTY compare to other utilities in Tennessee?
WATER AUTH OF DICKSON COUNTY scores 82/100 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.