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Potter, PA Tap Water Quality 2026

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

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

Main Utility: Mun Water Auth Of Aliquippa PWSID: PA5040006 Updated: 2026 Q2
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Lead above the federal action level

Lead is 33.50 ppb, 223% of the action level and no violations are open. No PFAS was detected.

D

Potter earns a D for water quality

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

Lead: 33.50 ppb — 223% of the federal action level
PFAS tested, none detected
36 violations since 2015, 3 health-based
No violations currently open
Potter's lead level vs. all Pennsylvania community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 33.50 ppb — 100% of the federal action level
✓ Lower lead than 4% of Pennsylvania utilities
Population Served
312
~6154 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
36 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
100% of EPA action level
33.50 ppb
Action level: 15 ppb
The 90th-percentile lead result is 33.50 ppb, 223% 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
Revised Total Coliform Rule TREATMENT TECHNIQUE — — 2025 Resolved
Revised Total Coliform Rule REPORTING FAILURE — — 2025 Resolved
Revised Total Coliform Rule TREATMENT TECHNIQUE — — 2025 Resolved
Revised Total Coliform Rule REPORTING FAILURE — — 2025 Resolved
Diquat MONITORING AND REPORTING — 0.02 mg/L 2025 Resolved
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2025 Resolved
Combined Uranium MONITORING AND REPORTING — 30 ug/L 2025 Resolved
Radium-226 MONITORING AND REPORTING — — 2025 Resolved
Radium-228 MONITORING AND REPORTING — — 2025 Resolved
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2025 Resolved
2,4,5-TP MONITORING AND REPORTING — 0.05 mg/L 2025 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2024 Resolved
Consumer Confidence Rule OTHER — — 2024 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2024 Resolved
Barium MONITORING AND REPORTING — 2 mg/L 2024 Resolved
Cadmium MONITORING AND REPORTING — 0.005 mg/L 2024 Resolved
Chromium MONITORING AND REPORTING — 0.1 mg/L 2024 Resolved
CYANIDE MONITORING AND REPORTING — 0.2 mg/L 2024 Resolved
Fluoride MONITORING AND REPORTING — 4.0 mg/L 2024 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2024 Resolved
Nickel MONITORING AND REPORTING — — 2024 Resolved
Selenium MONITORING AND REPORTING — 0.05 mg/L 2024 Resolved
Antimony, Total MONITORING AND REPORTING — 0.006 mg/L 2024 Resolved
Beryllium, Total MONITORING AND REPORTING — 0.004 mg/L 2024 Resolved
Thallium, Total MONITORING AND REPORTING — 0.002 mg/L 2024 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2024 Resolved
Nitrite MONITORING AND REPORTING — 1 mg/L 2024 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2022 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2022 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2022 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2019 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2017 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2017 Resolved
Consumer Confidence Rule OTHER — — 2017 Resolved
Consumer Confidence Rule OTHER — — 2016 Resolved
Chlorine MONITORING AND REPORTING — 4.0 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

36 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 Mun Water Auth Of Aliquippa
PWSID PA5040006
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 312
Service connections 6,154
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Potter tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 33.50 ppb, 223% of the action level.
Does Potter water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Potter? ▼
Mun Water Auth Of Aliquippa (PWSID PA5040006), one of 2 systems serving this area. Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2026-05-08. No significant deficiencies were recorded.

What Should Potter Residents Do?

1
Consider a filter certified for lead
Look for NSF/ANSI 53 certification for lead reduction.
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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