A96/100
SIGNAL MOUNTAIN WATER SYSTEM — Water Quality Report 2026
Serving 7,714 people · Tennessee
Water Source
Purchased Surface Water
County
—
System ID
TN0000634
Violations
1
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 1999.
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 SIGNAL MOUNTAIN WATER SYSTEM
Is SIGNAL MOUNTAIN WATER SYSTEM water safe to drink?
SIGNAL MOUNTAIN WATER SYSTEM water receives a grade of A (96/100), which is considered excellent. Out of 34 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has SIGNAL MOUNTAIN WATER SYSTEM detected?
34 contaminants were tested in SIGNAL MOUNTAIN WATER SYSTEM's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does SIGNAL MOUNTAIN WATER SYSTEM have any EPA violations?
Yes, SIGNAL MOUNTAIN WATER SYSTEM has 1 EPA violation(s) on record, with the most recent in 1999. Violation types include Other.
How many people does SIGNAL MOUNTAIN WATER SYSTEM serve?
SIGNAL MOUNTAIN WATER SYSTEM serves approximately 7,714 people, Tennessee.
What type of water does SIGNAL MOUNTAIN WATER SYSTEM provide?
SIGNAL MOUNTAIN WATER SYSTEM sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is TN0000634.
How does SIGNAL MOUNTAIN WATER SYSTEM compare to other utilities in Tennessee?
SIGNAL MOUNTAIN WATER SYSTEM scores 96/100 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.