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West Mahanoy, PA Tap Water Quality 2026

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

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

Main Utility: Aqua Shenandoah PWSID: PA3540044 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead was not detected and no violations are open. No PFAS was detected.

C

West Mahanoy earns a C for water quality

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

Lead: not detected
PFAS tested, none detected
9 violations since 2015, 3 health-based
No violations currently open
West Mahanoy's lead level vs. all Pennsylvania community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: Not detected — 0% of the federal action level
✓ Lower lead than % of Pennsylvania utilities
Population Served
1920
~4442 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
9 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Not detected
Action level: 15 ppb
Copper (Cu)
90th percentile of tap samples. SDWIS reports a copper figure only when a system exceeds the action level, so any value here is an exceedance.
108.1% of EPA action level
1,405 ppb
Action level: 1,300 ppb
Lead was not detected at the 90th percentile — the result fell below the laboratory detection limit. That is not the same as an absence of lead in every tap, and older homes with lead service lines can still show higher readings. Copper reached the action level here; a copper figure appears in SDWIS only when a system triggers it.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Consumer Confidence Rule OTHER — — 2023 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2021 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2018 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2018 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2016 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2016 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE — 0.060 mg/L 2016 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE — 0.060 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE — 0.060 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

9 violations are on record since 2015, of which 3 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Aqua Shenandoah
PWSID PA3540044
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 1,920
Service connections 4,442
Systems serving this area 7
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is West Mahanoy tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does West Mahanoy water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to West Mahanoy? ▼
Aqua Shenandoah (PWSID PA3540044), one of 7 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 2024-10-09. No significant deficiencies were recorded.

What Should West Mahanoy 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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