C45/100
Montville Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 22,000 residents · New Jersey
What's In Montville's Tap Water?
69
Contaminants Tested
1
Exceed EPA Limits
1
Above EPA Goals
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
Water Utility Details
MONTVILLE TWP MUA
Population Served
22,000
Water Source
Purchased Surface Water
System ID
NJ1421003
Frequently Asked Questions About Montville Water
Is Montville tap water safe to drink?
Montville, New Jersey tap water receives a grade of C (45/100), which is considered fair. 1 contaminant(s) exceed EPA maximum contaminant levels and 32 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Montville's water?
Of the 69 contaminants tested in Montville's water supply, the most notable include PFOA, Lead (90th percentile). 1 contaminant(s) exceed EPA legal limits (MCLs). 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Montville have any water quality violations?
Yes, Montville has 32 EPA violation(s) on record, with the most recent in 2025. Violation types include TT, RPT, Other. 3 of these are health-based violations, which are the most serious category.
Do I need a water filter in Montville?
Based on EPA data, using a water filter in Montville is recommended. 1 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does Montville's tap water come from?
Montville's drinking water is sourced from purchased surface water and supplied by MONTVILLE TWP MUA. The system serves approximately 22,000 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Montville's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Montville's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Montville's water compare to other cities in New Jersey?
Montville's water quality score of 45/100 earns a grade of C, which is considered fair. This is a below-average score that indicates room for improvement. Visit our New Jersey state page to see how all cities in the state compare.
What should I do if I'm concerned about Montville's water quality?
If you have concerns about Montville's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (MONTVILLE TWP MUA) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.