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Madison, PA Tap Water Quality 2026

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

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

Main Utility: Hillside Mobile Home Park PWSID: PA2350014 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 6.00 ppb, 40% of the action level and no violations are open. PFAS has never been sampled at this system.

B

Madison earns a B for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: 6.00 ppb — 40% of the federal action level
PFAS never sampled at this system
46 violations since 2015, 9 health-based
No violations currently open
Madison's lead level vs. all Pennsylvania community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 6.00 ppb — 40% of the federal action level
✓ Lower lead than 26% of Pennsylvania utilities
Population Served
340
~40 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
46 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
40% of EPA action level
6.00 ppb
Action level: 15 ppb
The 90th-percentile lead result is 6.00 ppb, 40% 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 — — 2025 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2025 Archived
Endrin MONITORING AND REPORTING — 0.002 mg/L 2025 Archived
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2025 Archived
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2025 Archived
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2025 Archived
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2025 Archived
LASSO MONITORING AND REPORTING — — 2025 Archived
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2025 Archived
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2025 Archived
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2025 Archived
Total Polychlorinated Biphenyls (PCB) MONITORING AND REPORTING — 0.0005 mg/L 2025 Archived
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2025 Archived
Consumer Confidence Rule OTHER — — 2022 Resolved
Consumer Confidence Rule OTHER — — 2022 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2019 Resolved
Public Notice OTHER — — 2019 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2019 Resolved
Public Notice OTHER — — 2019 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2019 Resolved
Public Notice OTHER — — 2019 Unaddressed
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2019 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2019 Resolved
Public Notice OTHER — — 2019 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2019 Resolved
Public Notice OTHER — — 2019 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2019 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2019 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2018 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2017 Resolved
Public Notice OTHER — — 2017 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2017 Resolved
Public Notice OTHER — — 2017 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2017 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2016 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2016 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2015 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2015 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2015 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2015 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2015 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2015 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2015 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2015 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2015 Resolved
Groundwater 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

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

About the Main Water System

Utility Hillside Mobile Home Park
PWSID PA2350014
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 340
Service connections 40
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Madison tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 6.00 ppb, 40% of the action level.
Does Madison water have PFAS? ▼
This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.
Who supplies water to Madison? ▼
Hillside Mobile Home Park (PWSID PA2350014), 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 2025-05-14. No significant deficiencies were recorded.

What Should Madison 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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