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C47/100

CUMBERLAND UTILITY DISTRICT — Water Quality Report 2026

Serving 10,957 people · Tennessee

Water Source
Surface Water
County
—
System ID
TN0000531
Violations
31

Contaminant Test Results

2 contaminants above EPA health goals
ContaminantDetectedLimit (MCL)Status
chlorate
1000.00 µg/L—Above Goal
Lead (90th percentile)
< 0.001 mg/L0.015 mg/LAbove Goal

EPA Violation History

25

Violations (last 5yr)

1

Unresolved

2

Health-Related

TIER 3Resolved

Monitoring violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: October 1, 2024 – November 30, 2024Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Monitoring Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: September 1, 2024 – September 30, 2024Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2024 – September 30, 2024Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2024 – September 30, 2024Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed to complete routine monitoring

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: March 1, 2024 – March 31, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Missed required monitoring deadline

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: March 1, 2024 – March 31, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Monitoring Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: March 1, 2024 – March 31, 2024Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2024 – March 31, 2024Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2024 – March 31, 2024Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: October 1, 2023 – December 31, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed Level 2 Assessment under Revised Total Coliform Rule

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: October 1, 2023 – December 31, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: May 18, 2023 – May 22, 2023Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: April 2, 2023 – June 3, 2023Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3Resolved

Failed to complete routine monitoring

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: February 1, 2023 – February 28, 2023Rule: Surface Water Treatment RuleEnforcement: Formal — state order issued
TIER 2Resolved

Exceeded the Maximum Contaminant Level (running average)

When: January 1, 2023 – March 31, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 3Resolved

Failed to issue ongoing public notification

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2023 – June 3, 2023Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3Resolved

Monitoring / Reporting Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2023 – June 17, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Unresolved

Exceeded the Maximum Contaminant Level (running average)

When: October 1, 2022 – December 31, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 3Resolved

Surface water treatment technique failure

When: October 1, 2022Enforcement: Formal — state order issued
TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2022Enforcement: Formal — state order issued
TIER 3Resolved

Failed to issue ongoing public notification

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: July 1, 2022 – June 3, 2023Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: January 1, 2022 – June 3, 2023Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3Resolved

Exceeded the MCL for disinfection byproducts

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: January 1, 2022 – March 31, 2022Enforcement: Formal — state order issued
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: October 13, 2021 – July 19, 2023Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2021Enforcement: Formal — state order issued

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 CUMBERLAND UTILITY DISTRICT

Is CUMBERLAND UTILITY DISTRICT water safe to drink?

CUMBERLAND UTILITY DISTRICT water receives a grade of C (47/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 31 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has CUMBERLAND UTILITY DISTRICT detected?

69 contaminants were tested in CUMBERLAND UTILITY DISTRICT's water. Notable contaminants include Lead (90th percentile), chlorate. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).

Does CUMBERLAND UTILITY DISTRICT have any EPA violations?

Yes, CUMBERLAND UTILITY DISTRICT has 31 EPA violation(s) on record, with the most recent in 2024. Violation types include RPT, MON, MR. 4 are health-based violations.

How many people does CUMBERLAND UTILITY DISTRICT serve?

CUMBERLAND UTILITY DISTRICT serves approximately 10,957 people, Tennessee. The system provides water to 1 community: Harriman.

What type of water does CUMBERLAND UTILITY DISTRICT provide?

CUMBERLAND UTILITY DISTRICT 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 TN0000531.

How does CUMBERLAND UTILITY DISTRICT compare to other utilities in Tennessee?

CUMBERLAND UTILITY DISTRICT scores 47/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Tennessee state page for a full comparison of water systems.

Cities Served

Harriman