States ›Pennsylvania ›Butler County ›Muddy Creek

Muddy Creek, PA Tap Water Quality 2026

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

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

Main Utility: Lake Arthur Estates PWSID: PA5100054 Updated: 2026 Q2
🚨

1 violation currently open

Lead is 1.00 ppb, 7% of the action level. PFAS has never been sampled at this system.

D

Muddy Creek earns a D for water quality

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

Lead: 1.00 ppb — 7% of the federal action level
PFAS never sampled at this system
16 violations since 2015, 1 health-based
1 violation currently open
Muddy Creek's lead level vs. all Pennsylvania community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.00 ppb — 7% of the federal action level
✓ Lower lead than 93% of Pennsylvania utilities
Population Served
490
~325 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
1
1 open of 16 since 2015

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
Public Notice OTHER — — 2026 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2026 Resolved
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2025 Archived
Radium-226 MONITORING AND REPORTING — — 2025 Resolved
Radium-228 MONITORING AND REPORTING — — 2025 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2025 Unaddressed
Groundwater Rule MONITORING AND REPORTING — — 2024 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2024 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2024 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2024 Resolved
Nitrite MONITORING AND REPORTING — 1 mg/L 2024 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2022 Resolved
Nitrite MONITORING AND REPORTING — 1 mg/L 2022 Resolved
Consumer Confidence Rule OTHER — — 2021 Resolved
2,3,7,8-TCDD MONITORING AND REPORTING — 0.00000003 mg/L 2015 Resolved
Total Polychlorinated Biphenyls (PCB) MONITORING AND REPORTING — 0.0005 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

1 violation remains open, out of 16 recorded since 2015 (1 health-based).

About the Main Water System

Utility Lake Arthur Estates
PWSID PA5100054
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 490
Service connections 325
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Muddy Creek tap water safe to drink? ▼
No federal limit is exceeded on record. 1 violation(s) remain open. Lead is 1.00 ppb, 7% of the action level.
Does Muddy Creek 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 Muddy Creek? ▼
Lake Arthur Estates (PWSID PA5100054). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2025-05-13. Inspectors recorded 2 significant deficiencies.

What Should Muddy Creek 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
Follow the open violation
This system has an unresolved violation. Contact the supplier for its corrective-action schedule.

Nearby Cities in Pennsylvania

Cranberry, Pa Tap Water Quality 2026 Butler Butler, Pa Tap Water Quality 2026 Butler Butler, Pa Tap Water Quality 2026 Butler Center, Pa Tap Water Quality 2026 Butler Buffalo, Pa Tap Water Quality 2026 Butler Slippery Rock, Pa Tap Water Quality 2026 Butler