F
23

Failing Water Quality

Montville, NJ 07045

Morris County · Population served: 31,578 · Data updated March 2026

Water Systems Serving This Area

🏔
BOONTON WATER DEPT
Surface water · Pop. 9,532
PWSID: NJ1401001
🏔
MONTVILLE TWP MUA
Surface water · Pop. 22,000
PWSID: NJ1421003
🌊
SIGNATURE CARE HOME @ MONTVILLE
Groundwater · Pop. 46
PWSID: NJ1421305

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
11.0
15 ppb 1 ppb Warning

PFAS / Forever Chemicals

14 detected 4 above EPA limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFOA11.1 ppt4 ppt4 pptExceeded
PFOS9.3 ppt4 ppt4 pptExceeded
PFOA8.1 ppt4 ppt4 pptExceeded
PFPeA6.1 pptNo standardUnregulated
PFHxS5.7 ppt10 ppt10 pptBelow limit
PFOS5.5 ppt4 ppt4 pptExceeded
PFBA5.2 pptNo standard500 pptUnregulated
PFBA5.1 pptNo standard500 pptUnregulated

Violation History (Last 5 Years)

112Total (5yr)
11Health-Based
75Major

Water Quality Summary

Understanding Your Water in Montville

Tap water quality in Montville, New Jersey (07045) receives an overall grade of F (Failing) with a score of 23 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 40 points below the New Jersey state average of 62. Compared to the national average (75), this area scores significantly lower. The area is served by 3 water systems providing water to approximately 31,578 people, using surface water and groundwater sources. Testing has found elevated levels of Lead that warrant attention. Notably, 4 PFAS compounds exceed EPA limits — a significant concern given the persistent nature of these chemicals. Over the past 5 years, water systems here have accumulated 112 violations, including 11 health-based violations.

Your Score 23/100 F
vs State 40 pts below New Jersey avg (62)
vs National 52 pts below national avg (75)

What a Grade F Means

A score of 23/100 indicates serious water quality failures in Montville, NJ. The water system has significant violations, contaminant exceedances, or enforcement actions. Residents should strongly consider using a certified water filtration system for drinking and cooking water, requesting their utility's latest test results, and potentially having their water independently tested.

Surface water: sourced from rivers, lakes, or reservoirs
Groundwater: drawn from underground aquifers via wells

Health Information

What These Contaminants Mean for You

⚠️

Lead in Your Water

Lead is a toxic metal that can leach from aging pipes and plumbing fixtures.

Health Effects

Even low levels of lead exposure can cause developmental delays in children, kidney damage, and cardiovascular effects in adults. The EPA action level is 15 ppb, but health experts recommend no safe level of lead in drinking water.

Common Sources

Lead enters water primarily through corrosion of lead service lines, lead solder, and brass fixtures — especially in homes built before 1986.

What You Can Do

If lead is detected above 1 ppb, consider using a certified lead-removal filter (NSF/ANSI 53) for drinking and cooking water. Run cold water for 30 seconds before use if water has been sitting in pipes.

Common Questions

Frequently Asked Questions

Tap water in Montville, New Jersey receives a grade of F (Failing) with a score of 23/100. This indicates significant water quality concerns based on violation history, contaminant levels, or enforcement actions. We recommend reviewing the specific contaminants detected below and considering a certified water filter.

ZIP code 07045 is served by 3 water systems using surface water, groundwater sources, providing water to approximately 31,578 people. Multiple source types mean your water may come from a blend of surface and underground sources.

Lead was detected at 11.0 ppb in Montville, New Jersey. While this is below the EPA action level of 15 ppb, it exceeds the health guideline of 1 ppb recommended by health organizations. Consider a certified lead filter, especially if you have young children.

Yes — 14 PFAS compounds were detected in water serving Montville, New Jersey, and 4 exceed EPA maximum contaminant levels. PFAS are persistent chemicals linked to cancer, immune system effects, and developmental issues. A reverse osmosis or activated carbon filter certified for PFAS removal is recommended.

Water systems serving Montville, New Jersey have received 112 violations in the last 5 years, including 11 health-based violations. Violations can range from paperwork issues (monitoring & reporting) to serious health-based violations where contaminant levels exceeded safe limits. Review the violation details above for specifics.

Based on detected contaminants (lead, PFAS), residents in Montville, New Jersey should consider: Reverse osmosis (RO) system — most effective for PFAS, lead, and other contaminants. Always look for filters with NSF/ANSI certification for the specific contaminants you want to remove.

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