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Oaklyn, NJ Tap Water Quality 2026

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

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

Main Utility: Nj American Water - Western PWSID: NJ0327001 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 1.00 ppb, 7% of the action level and no violations are open. No PFAS was detected.

A

Oaklyn earns an A for water quality

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

Lead: 1.00 ppb — 7% of the federal action level
PFAS tested, none detected
11 violations since 2015, 0 health-based
No violations currently open
Oaklyn's lead level vs. all New Jersey community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.00 ppb — 7% of the federal action level
✓ Lower lead than 91% of New Jersey utilities
Population Served
3930
~103898 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
11 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
7% of EPA action level
1.00 ppb
Action level: 15 ppb
The 90th-percentile lead result is 1.00 ppb, 7% 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
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2023 Resolved
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2023 Resolved
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2023 Resolved
Combined Uranium MONITORING AND REPORTING — 30 ug/L 2023 Resolved
Combined Radium (-226 and -228) MONITORING AND REPORTING — 5 pCi/L 2023 Resolved
Radium-226 MONITORING AND REPORTING — — 2023 Resolved
Radium-228 MONITORING AND REPORTING — — 2023 Resolved
E. COLI MONITORING AND REPORTING — 0 2018 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2017 Resolved
Consumer Confidence Rule OTHER — — 2016 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

11 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 Nj American Water - Western
PWSID NJ0327001
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 3,930
Service connections 103,898
Systems serving this area 3
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Oaklyn tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 1.00 ppb, 7% of the action level.
Does Oaklyn water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Oaklyn? ▼
Nj American Water - Western (PWSID NJ0327001), one of 3 systems serving this area. Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2024-10-22. No significant deficiencies were recorded.

What Should Oaklyn 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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