MONTVILLE TWP MUA

PWSID: NJ1421003 · Montville, NJ · Serves 22,000 people

Health Violations

MONTVILLE TWP MUA has 9 health-based violations out of 9 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed.

Population Served
22,000
Total Violations
9
Health Violations
9
Source Type
Surface Water

MONTVILLE TWP MUA (PWSID NJ1421003) is a cws water system drawing from a surface water source, regulated by the EPA Safe Drinking Water Information System (SDWIS) under the Safe Drinking Water Act. It serves approximately 22,000 people in Montville, NJ, and is subject to primacy enforcement by the New Jersey drinking-water program.

The system's federal compliance record contains 9 total violations, with 9 classified as health-based (MCL exceedances or treatment-technique failures). 1 distinct contaminant has been cited, including Arsenic. Recorded violations span 2023–2025.

A historical violation does not necessarily describe current water quality, systems must notify customers and remediate, and monitoring-type violations often reflect reporting lapses rather than contamination. The most authoritative real-time source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the New Jersey state drinking-water program's public portal.

System Details

EPA ID (PWSID)
NJ1421003
System Type
CWS
Water Source
Surface Water
Location
Montville, NJ
Population Served
22,000
Health Violations
Yes (9)

What contaminants are in this water system?

Contaminant Violations Health-Based
Arsenic 9 9

Violation History (9)

Contaminant Health Date
Arsenic Yes Aug 1, 2025
Arsenic Yes Nov 1, 2024
Arsenic Yes Nov 1, 2024
Arsenic Yes Nov 1, 2024
Arsenic Yes Jul 1, 2023
Arsenic Yes Jul 1, 2023
Arsenic Yes Jul 1, 2023
Arsenic Yes Jul 1, 2023
Arsenic Yes Jul 1, 2023

Frequently Asked Questions

Is MONTVILLE TWP MUA water safe to drink?
MONTVILLE TWP MUA has 9 health-based violations out of 9 total. Health violations indicate contaminant levels exceeded EPA limits or required treatment was not followed. The system uses surface water water as its source.
How many people does MONTVILLE TWP MUA serve?
MONTVILLE TWP MUA serves 22,000 people in Montville, NJ. It is classified as a CWS water system.
What violations does MONTVILLE TWP MUA have?
MONTVILLE TWP MUA has 9 total violations on record spanning 2023–2025. 9 are health-based violations involving contaminants exceeding EPA limits.
What contaminants have been found in MONTVILLE TWP MUA water?
Violations have been recorded for 1 contaminant. The most frequent: Arsenic.

About This Data

Water system data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations that may pose a direct risk to public health. Violation records may span multiple years.

Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services U.S. Environmental Protection Agency, SDWIS Federal Reporting Services

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