F0/100
DECATUR WATER DEPT — Water Quality Report 2026
Serving 6,451 people · Tennessee
Water Source
Groundwater Under Influence of Surface Water
County
—
System ID
TN0000183
Violations
43
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 240.00 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 1997.
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 DECATUR WATER DEPT
Is DECATUR WATER DEPT water safe to drink?
DECATUR WATER DEPT water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 43 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has DECATUR WATER DEPT detected?
54 contaminants were tested in DECATUR WATER DEPT's water. Notable contaminants include Lead (90th percentile), chlorate. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does DECATUR WATER DEPT have any EPA violations?
Yes, DECATUR WATER DEPT has 43 EPA violation(s) on record, with the most recent in 1997. Violation types include TT, MR. 42 are health-based violations.
How many people does DECATUR WATER DEPT serve?
DECATUR WATER DEPT serves approximately 6,451 people, Tennessee. The system provides water to 1 community: Decatur.
What type of water does DECATUR WATER DEPT provide?
DECATUR WATER DEPT 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 TN0000183.
How does DECATUR WATER DEPT compare to other utilities in Tennessee?
DECATUR WATER DEPT 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.