C45/100
MONTVILLE TWP MUA — Water Quality Report 2026
Serving 22,000 people · New Jersey
Water Source
Purchased Surface Water
County
—
System ID
NJ1421003
Violations
32
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFOA | 0.006 µg/L | 0.004 µg/L | Over Limit |
Lead (90th percentile) | 0.005 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
4
Violations (last 5yr)
2
Unresolved
3
Health-Related
TIER 2Unresolved
Failed treatment technique requirements
When: August 1, 2025 – August 31, 2025Rule: Surface Water Treatment RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved
Failed treatment technique requirements
When: November 1, 2024 – November 30, 2024Rule: Surface Water Treatment RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Resolved
Failed treatment technique requirements
When: July 1, 2023 – July 31, 2023Rule: 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: September 17, 2021 – September 21, 2021Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
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 MONTVILLE TWP MUA
Is MONTVILLE TWP MUA water safe to drink?
MONTVILLE TWP MUA water receives a grade of C (45/100), which is considered fair. 1 contaminant(s) exceed EPA legal limits and 32 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has MONTVILLE TWP MUA detected?
69 contaminants were tested in MONTVILLE TWP MUA's water. Notable contaminants include PFOA, Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does MONTVILLE TWP MUA have any EPA violations?
Yes, MONTVILLE TWP MUA has 32 EPA violation(s) on record, with the most recent in 2025. Violation types include TT, RPT, Other. 3 are health-based violations.
How many people does MONTVILLE TWP MUA serve?
MONTVILLE TWP MUA serves approximately 22,000 people, New Jersey. The system provides water to 1 community: Montville Twp.-1421.
What type of water does MONTVILLE TWP MUA provide?
MONTVILLE TWP MUA 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 NJ1421003.
How does MONTVILLE TWP MUA compare to other utilities in New Jersey?
MONTVILLE TWP MUA scores 45/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our New Jersey state page for a full comparison of water systems.