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Westmont, PA Tap Water Quality 2026

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

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

Main Utility: Greater Johnstown Wa Riverside PWSID: PA4110034 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 5.00 ppb, 33% of the action level and no violations are open. No PFAS was detected.

A

Westmont earns an A for water quality

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

Lead: 5.00 ppb — 33% of the federal action level
PFAS tested, none detected
62 violations since 2015, 0 health-based
No violations currently open
Westmont's lead level vs. all Pennsylvania community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 5.00 ppb — 33% of the federal action level
✓ Lower lead than 34% of Pennsylvania utilities
Population Served
4982
~21902 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
62 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
33% of EPA action level
5.00 ppb
Action level: 15 ppb
The 90th-percentile lead result is 5.00 ppb, 33% 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 REPORTING FAILURE — — 2026 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2026 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2026 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2025 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 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
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
Revised Total Coliform Rule MONITORING FAILURE — — 2023 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2023 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2023 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2023 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2023 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2023 Resolved
Endrin MONITORING AND REPORTING — 0.002 mg/L 2023 Resolved
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2023 Resolved
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2023 Resolved
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2023 Resolved
Dalapon MONITORING AND REPORTING — 0.2 mg/L 2023 Resolved
Diquat MONITORING AND REPORTING — 0.02 mg/L 2023 Resolved
Endothall MONITORING AND REPORTING — 0.1 mg/L 2023 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2023 Resolved
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2023 Resolved
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2023 Resolved
Simazine MONITORING AND REPORTING — 0.004 mg/L 2023 Resolved
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2023 Resolved
Picloram MONITORING AND REPORTING — 0.5 mg/L 2023 Resolved
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2023 Resolved
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2023 Resolved
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2023 Resolved
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2023 Resolved
LASSO MONITORING AND REPORTING — — 2023 Resolved
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2023 Resolved
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 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
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2023 Resolved
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2023 Resolved
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2023 Resolved
Total Polychlorinated Biphenyls (PCB) MONITORING AND REPORTING — 0.0005 mg/L 2023 Resolved
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2023 Resolved
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2023 Resolved
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2023 Resolved
Asbestos MONITORING AND REPORTING — 7 MFL 2022 Resolved
Consumer Confidence Rule OTHER — — 2021 Resolved
Public Notice OTHER — — 2021 Resolved
Public Notice OTHER — — 2021 Resolved
Public Notice OTHER — — 2021 Resolved
Nitrate MONITORING AND REPORTING — 10 mg/L 2021 Resolved
Nitrite MONITORING AND REPORTING — 1 mg/L 2021 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2020 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2020 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2020 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2016 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2016 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2016 Resolved
Consumer Confidence Rule OTHER — — 2016 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2015 Resolved
TTHM MONITORING AND REPORTING — 0.080 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

62 violations are on record since 2015, of which 0 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Greater Johnstown Wa Riverside
PWSID PA4110034
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 4,982
Service connections 21,902
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Westmont tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 5.00 ppb, 33% of the action level.
Does Westmont water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Westmont? ▼
Greater Johnstown Wa Riverside (PWSID PA4110034). Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2024-07-30. No significant deficiencies were recorded.

What Should Westmont 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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