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Public Water System
MIDDLETOWN WATER DEPARTMENT
PWSID CT0830011 · Connecticut · 41,019 people served
A
ExcellentMIDDLETOWN WATER DEPARTMENT is an EPA-regulated public water system in Connecticut (PWSID CT0830011). It serves an estimated 41,019 residents — a small city of customers — across 1 community across 1 ZIP code.
MIDDLETOWN WATER DEPARTMENT has maintained full EPA Safe Drinking Water Act compliance over the most recent five-year reporting window. No health-based Maximum Contaminant Level (MCL) exceedances are on record. The grade of A reflects this clean compliance history.
Service Area
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Centered on the averaged ZIP-code centroid of 1 ZIP served.
Population
41,019
Cities
1
ZIPs
1
Violations
0
EPA Health-Based Violations
Health-based Maximum Contaminant Level (MCL) violations on file for MIDDLETOWN WATER DEPARTMENT over the past five years of EPA SDWIS reporting.
✅
No health-based violations in the last 5 years.
MIDDLETOWN WATER DEPARTMENT's water systems have met EPA health-based Maximum Contaminant Level (MCL) requirements throughout the EPA reporting window. This does not mean zero detection of regulated contaminants — it means all measured concentrations remained below their federal action levels.
Cities Served by MIDDLETOWN WATER DEPARTMENT
ZIP Codes Served
About this system
EPA records this system as PWSID CT0830011. Data reflects the most recent EPA SDWIS publication as of 2026-05-18. Public Water System Identifiers (PWSIDs) are assigned by the EPA's Safe Drinking Water Act program to track every regulated water utility in the United States. The first two letters typically indicate the state primacy agency. For real-time water quality information, contact MIDDLETOWN WATER DEPARTMENT directly or review their annual Consumer Confidence Report (CCR).
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