A92/100

MIDDLETON WATER DEPT. — Water Quality Report 2026

Serving 7,255 people · Massachusetts

Water Source
Purchased Surface Water
County
System ID
MA3184000
Violations
8

Contaminant Test Results

EPA Violation History

4

Violations (last 5yr)

0

Unresolved

0

Health-Related

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: June 1, 2024Rule: Ground Water RuleEnforcement: 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: June 1, 2024Rule: Ground Water RuleEnforcement: 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: June 1, 2024Rule: 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: June 1, 2021Rule: Ground Water RuleEnforcement: 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 MIDDLETON WATER DEPT.

Is MIDDLETON WATER DEPT. water safe to drink?

MIDDLETON WATER DEPT. water receives a grade of A (92/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.

What contaminants has MIDDLETON WATER DEPT. detected?

31 contaminants were tested in MIDDLETON WATER DEPT.'s water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.

Does MIDDLETON WATER DEPT. have any EPA violations?

Yes, MIDDLETON WATER DEPT. has 8 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, Other.

How many people does MIDDLETON WATER DEPT. serve?

MIDDLETON WATER DEPT. serves approximately 7,255 people, Massachusetts. The system provides water to 1 community: Middleton.

What type of water does MIDDLETON WATER DEPT. provide?

MIDDLETON WATER DEPT. 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 MA3184000.

How does MIDDLETON WATER DEPT. compare to other utilities in Massachusetts?

MIDDLETON WATER DEPT. scores 92/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Massachusetts state page for a full comparison of water systems.

Cities Served