B74/100
ATOKA WATER SYSTEM — Water Quality Report 2026
Serving 9,197 people · Tennessee
Water Source
Purchased Groundwater
County
—
System ID
TN0000033
Violations
15
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
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: October 1, 2021 – October 1, 2022Enforcement: Resolving — corrective action underway
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 ATOKA WATER SYSTEM
Is ATOKA WATER SYSTEM water safe to drink?
ATOKA WATER SYSTEM water receives a grade of B (74/100), which is considered good. Out of 51 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has ATOKA WATER SYSTEM detected?
51 contaminants were tested in ATOKA WATER SYSTEM's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does ATOKA WATER SYSTEM have any EPA violations?
Yes, ATOKA WATER SYSTEM has 15 EPA violation(s) on record, with the most recent in 2021. Violation types include Other, MR, MCL. 2 are health-based violations.
How many people does ATOKA WATER SYSTEM serve?
ATOKA WATER SYSTEM serves approximately 9,197 people, Tennessee.
What type of water does ATOKA WATER SYSTEM provide?
ATOKA WATER SYSTEM sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is TN0000033.
How does ATOKA WATER SYSTEM compare to other utilities in Tennessee?
ATOKA WATER SYSTEM scores 74/100 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.