B
84

Good Water Quality

Rahway, NJ 07065

Union County · Population served: 27,300 · Data updated March 2026

Water Systems Serving This Area

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RAHWAY WATER DEPARTMENT
Surface water · Pop. 27,300
PWSID: NJ2013001

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
2.9
15 ppb 1 ppb Warning

PFAS / Forever Chemicals

4 detected 1 above EPA limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFOA6.9 ppt4 ppt4 pptExceeded
PFBA5.9 pptNo standard500 pptUnregulated
PFPeA5.4 pptNo standardUnregulated
PFHxA4.1 pptNo standard400 pptUnregulated

Violation History (Last 5 Years)

1Total (5yr)
0Health-Based
0Major

Water Quality Summary

Understanding Your Water in Rahway

Tap water quality in Rahway, New Jersey (07065) receives an overall grade of B (Good) with a score of 84 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 22 points above the New Jersey state average of 62. The area is served by Rahway Water Department, a surface water system providing water to approximately 27,300 people. Testing has found elevated levels of Lead that warrant attention. Notably, 1 PFAS compound exceeds EPA limits — a significant concern given the persistent nature of these chemicals.

Your Score 84/100 B
vs State 22 pts above New Jersey avg (62)
vs National 9 pts above national avg (75)

What a Grade B Means

A score of 84/100 means the water in Rahway, NJ is generally good and meets EPA standards, with only minor areas of concern. There may be low levels of detectable contaminants or a small number of non-critical violations. Most residents can feel comfortable with their tap water quality, though basic filtration can provide an extra layer of protection.

Surface water: sourced from rivers, lakes, or reservoirs

Health Information

What These Contaminants Mean for You

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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

Based on EPA data, tap water in Rahway, New Jersey receives a grade of B (Good) with a score of 84/100. This indicates the water meets federal standards and has relatively few concerns. However, individual homes may still have localized issues such as lead from old plumbing.

ZIP code 07065 is served by 1 water system using surface water sources, providing water to approximately 27,300 people. Surface water systems are more susceptible to contamination from agricultural runoff, industrial discharge, and weather events, but typically undergo more extensive treatment including filtration and disinfection.

Lead was detected at 2.9 ppb in Rahway, 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 — 4 PFAS compounds were detected in water serving Rahway, New Jersey, and 1 exceeds 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 Rahway, New Jersey have received 1 violation in the last 5 years. 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 Rahway, 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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