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F0/100

MIDDLESEX WATER SYSTEM — Water Quality Report 2026

Serving 1,389 people · North Carolina

Water Source
Groundwater
County
—
System ID
NC0464050
Violations
98

Contaminant Test Results

1 contaminant above EPA health goals
ContaminantDetectedLimit (MCL)Status
Copper (90th percentile)
1.46 mg/L1.30 mg/LOver Limit

EPA Violation History

13

Violations (last 5yr)

3

Unresolved

2

Health-Related

TIER 3Unresolved

Disinfection byproduct treatment technique failure

When: August 20, 2025Rule: Ground Water RuleVerify on EPA.gov
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, 2025 – March 31, 2025Enforcement: Formal — state order issued
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 – December 31, 2024Rule: Stage 2 DBPREnforcement: Formal — state order issued
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 – December 31, 2024Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: August 26, 2023 – November 1, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: July 23, 2023 – October 19, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2023 – November 15, 2023Enforcement: Formal — state order issued
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: May 19, 2023 – August 25, 2023Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 2Unresolved

Exceeded the Maximum Contaminant Level (running average)

When: April 1, 2023 – June 30, 2023Enforcement: Formal — state order issuedVerify on EPA.gov
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 – March 8, 2023Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 2Unresolved

Exceeded the Maximum Contaminant Level (running average)

When: January 1, 2023 – March 31, 2023Enforcement: Formal — state order issuedVerify on EPA.gov
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: August 1, 2021 – July 31, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
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: August 1, 2021 – July 31, 2022Rule: Stage 2 DBPREnforcement: 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 MIDDLESEX WATER SYSTEM

Is MIDDLESEX WATER SYSTEM water safe to drink?

MIDDLESEX WATER SYSTEM water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 98 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has MIDDLESEX WATER SYSTEM detected?

2 contaminants were tested in MIDDLESEX WATER SYSTEM's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).

Does MIDDLESEX WATER SYSTEM have any EPA violations?

Yes, MIDDLESEX WATER SYSTEM has 98 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, MCL. 8 are health-based violations.

How many people does MIDDLESEX WATER SYSTEM serve?

MIDDLESEX WATER SYSTEM serves approximately 1,389 people, North Carolina. The system provides water to 1 community: Middlesex.

What type of water does MIDDLESEX WATER SYSTEM provide?

MIDDLESEX WATER SYSTEM sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is NC0464050.

How does MIDDLESEX WATER SYSTEM compare to other utilities in North Carolina?

MIDDLESEX WATER SYSTEM scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our North Carolina state page for a full comparison of water systems.

Cities Served

Middlesex