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Nicholson, PA Tap Water Quality 2026

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

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

Main Utility: Mountain Water Assn PWSID: PA5260032 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 1.79 ppb, 12% of the action level and no violations are open. No PFAS was detected.

A

Nicholson earns an A for water quality

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

Lead: 1.79 ppb — 12% of the federal action level
PFAS tested, none detected
51 violations since 2015, 2 health-based
No violations currently open
Nicholson's lead level vs. all Pennsylvania community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.79 ppb — 12% of the federal action level
✓ Lower lead than 75% of Pennsylvania utilities
Population Served
845
~1600 connections
Water Source
Surface water
Purchased from another system — SDWIS source code SWP
Active Violations
0
51 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
12% of EPA action level
1.79 ppb
Action level: 15 ppb
The 90th-percentile lead result is 1.79 ppb, 12% 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
Groundwater Rule MONITORING AND REPORTING — — 2025 Archived
Groundwater Rule MONITORING AND REPORTING — — 2025 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2024 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2024 Resolved
Consumer Confidence Rule OTHER — — 2024 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2024 Resolved
Groundwater Rule MONITORING AND REPORTING — — 2023 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2023 Resolved
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2023 Resolved
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2023 Resolved
2,4,5-TP MONITORING AND REPORTING — 0.05 mg/L 2023 Resolved
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2023 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2022 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2022 Resolved
Asbestos MONITORING AND REPORTING — 7 MFL 2022 Resolved
Public Notice OTHER — — 2021 Unaddressed
Revised Total Coliform Rule TREATMENT TECHNIQUE — — 2021 Resolved
Revised Total Coliform Rule REPORTING FAILURE — — 2021 Resolved
Revised Total Coliform Rule MCL EXCEEDANCE — — 2021 Resolved
Public Notice OTHER — — 2021 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2019 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2019 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2019 Resolved
1,2,4-Trichlorobenzene MONITORING AND REPORTING — 0.07 mg/L 2019 Resolved
cis-1,2-Dichloroethylene MONITORING AND REPORTING — 0.07 mg/L 2019 Resolved
Xylenes, Total MONITORING AND REPORTING — 10 mg/L 2019 Resolved
DICHLOROMETHANE MONITORING AND REPORTING — 0.005 mg/L 2019 Resolved
o-Dichlorobenzene MONITORING AND REPORTING — 0.6 mg/L 2019 Resolved
p-Dichlorobenzene MONITORING AND REPORTING — 0.075 mg/L 2019 Resolved
1,1-Dichloroethylene MONITORING AND REPORTING — 0.007 mg/L 2019 Resolved
trans-1,2-Dichloroethylene MONITORING AND REPORTING — 0.1 mg/L 2019 Resolved
1,2-Dichloroethane MONITORING AND REPORTING — 0.005 mg/L 2019 Resolved
1,1,1-Trichloroethane MONITORING AND REPORTING — 0.2 mg/L 2019 Resolved
Carbon tetrachloride MONITORING AND REPORTING — 0.005 mg/L 2019 Resolved
1,2-Dichloropropane MONITORING AND REPORTING — 0.005 mg/L 2019 Resolved
Trichloroethylene MONITORING AND REPORTING — 0.005 mg/L 2019 Resolved
1,1,2-Trichloroethane MONITORING AND REPORTING — 0.005 mg/L 2019 Resolved
Tetrachloroethylene MONITORING AND REPORTING — 0.005 mg/L 2019 Resolved
CHLOROBENZENE MONITORING AND REPORTING — 0.1 mg/L 2019 Resolved
Benzene MONITORING AND REPORTING — 0.005 mg/L 2019 Resolved
Toluene MONITORING AND REPORTING — 1 mg/L 2019 Resolved
Ethylbenzene MONITORING AND REPORTING — 0.7 mg/L 2019 Resolved
Styrene MONITORING AND REPORTING — 0.1 mg/L 2019 Resolved
Consumer Confidence Rule OTHER — — 2017 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2017 Resolved
Revised Total Coliform Rule REPORTING FAILURE — — 2016 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2016 Resolved
Revised Total Coliform Rule REPORTING FAILURE — — 2016 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2016 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2016 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2016 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

51 violations are on record since 2015, of which 2 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Mountain Water Assn
PWSID PA5260032
Water source Surface water — Purchased from another system — SDWIS source code SWP
Population served 845
Service connections 1,600
Systems serving this area 3
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Nicholson tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 1.79 ppb, 12% of the action level.
Does Nicholson water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Nicholson? ▼
Mountain Water Assn (PWSID PA5260032), one of 3 systems serving this area. Surface water. Purchased from another system — SDWIS source code SWP
When was this system last inspected? ▼
It was last inspected on 2024-07-30. No significant deficiencies were recorded.

What Should Nicholson 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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