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Monroe, NJ Tap Water Quality 2026

Water quality report for Monroe, NJ — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Monroe's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Monroe Municipal Utilities Authority PWSID: NJ0811002 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 2.30 ppb, 15% of the action level and no violations are open. PFAS was detected below the federal limit.

A

Monroe earns an A for water quality

Graded on violations, lead, and PFAS, with state inspection findings.

Lead: 2.30 ppb — 15% of the federal action level
PFAS detected below the federal limit
22 violations since 2015, 0 health-based
No violations currently open
Monroe's lead level vs. all New Jersey community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 2.30 ppb — 15% of the federal action level
✓ Lower lead than 46% of New Jersey utilities
Population Served
35032
~9696 connections
Water Source
Surface water
Purchased from another system — SDWIS source code SWP
Active Violations
0
22 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
15% of EPA action level
2.30 ppb
Action level: 15 ppb
The 90th-percentile lead result is 2.30 ppb, 15% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Lead and Copper Rule MONITORING AND REPORTING — TT 2025 Archived
Surface Water Treatment Rule MONITORING AND REPORTING — — 2025 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2025 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2022 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2020 Resolved
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2020 Resolved
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2020 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2020 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2020 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2019 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2018 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2017 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2017 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2017 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2017 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2016 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2016 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2016 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2015 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2015 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2015 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2015 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

22 violations are on record since 2015, of which 0 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Monroe Municipal Utilities Authority
PWSID NJ0811002
Water source Surface water — Purchased from another system — SDWIS source code SWP
Population served 35,032
Service connections 9,696
Systems serving this area 6
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Monroe tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 2.30 ppb, 15% of the action level.
Does Monroe water have PFAS? ▼
PFAS was detected but stayed below the federal limit.
Who supplies water to Monroe? ▼
Monroe Municipal Utilities Authority (PWSID NJ0811002), one of 6 systems serving this area. Surface water. Purchased from another system — SDWIS source code SWP
When was this system last inspected? ▼
It was last inspected on 2024-11-21. Inspectors recorded 1 significant deficiency.

What Should Monroe Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

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