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Charleston, PA Tap Water Quality 2026

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

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

Main Utility: Wellsboro Municipal Authority PWSID: PA2590042 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 0.99 ppb, 7% of the action level and no violations are open. No PFAS was detected.

A

Charleston earns an A for water quality

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

Lead: 0.99 ppb — 7% of the federal action level
PFAS tested, none detected
29 violations since 2015, 1 health-based
No violations currently open
Charleston's lead level vs. all Pennsylvania community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 0.99 ppb — 7% of the federal action level
✓ Lower lead than 93% of Pennsylvania utilities
Population Served
1320
~1676 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
29 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
7% of EPA action level
0.99 ppb
Action level: 15 ppb
The 90th-percentile lead result is 0.99 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
Consumer Confidence Rule OTHER — — 2024 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2024 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2023 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2023 Resolved
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2023 Resolved
Consumer Confidence Rule OTHER — — 2022 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2022 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2022 Resolved
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2022 Resolved
Consumer Confidence Rule OTHER — — 2021 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2020 Resolved
Combined Uranium MONITORING AND REPORTING — 30 ug/L 2017 Resolved
Radium-226 MONITORING AND REPORTING — — 2017 Resolved
Radium-228 MONITORING AND REPORTING — — 2017 Resolved
2,3,7,8-TCDD MONITORING AND REPORTING — 0.00000003 mg/L 2017 Resolved
Public Notice OTHER — — 2015 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2015 Resolved
Long Term 2 Enhanced Surface Water Treatment Rule TREATMENT TECHNIQUE — — 2015 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2015 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2015 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2015 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2015 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2015 Resolved
Coliform (TCR) MONITORING AND REPORTING — 5% of samples 2015 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2015 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2015 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2015 Resolved
Public Notice OTHER — — 2015 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 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

29 violations are on record since 2015, of which 1 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Wellsboro Municipal Authority
PWSID PA2590042
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 1,320
Service connections 1,676
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Charleston tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 0.99 ppb, 7% of the action level.
Does Charleston water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Charleston? ▼
Wellsboro Municipal Authority (PWSID PA2590042). Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2024-07-03. No significant deficiencies were recorded.

What Should Charleston 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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