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Washington, PA Tap Water Quality 2026

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

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

Main Utility: Highland S & W Auth Beaverdam PWSID: PA4110017 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead was not detected and no violations are open. No PFAS was detected.

B

Washington earns a B for water quality

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

Lead: not detected
PFAS tested, none detected
32 violations since 2015, 3 health-based
No violations currently open
Washington's lead level vs. all Pennsylvania community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: Not detected — 0% of the federal action level
✓ Lower lead than % of Pennsylvania utilities
Population Served
377
~10419 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
32 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Not detected
Action level: 15 ppb
Lead was not detected at the 90th percentile — the result fell below the laboratory detection limit. That is not the same as an absence of lead in every tap, and older homes with lead service lines can still show higher readings.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
CARBON, TOTAL MONITORING AND REPORTING — TT 2025 Resolved
Public Notice OTHER — — 2024 Resolved
Public Notice OTHER — — 2024 Resolved
TTHM MCL EXCEEDANCE 0.088 MG/L 0.080 mg/L 2024 Resolved
Public Notice OTHER — — 2024 Resolved
TTHM MCL EXCEEDANCE 0.087 MG/L 0.080 mg/L 2024 Resolved
CYANIDE MONITORING AND REPORTING — 0.2 mg/L 2024 Resolved
TTHM MCL EXCEEDANCE 0.087 MG/L 0.080 mg/L 2023 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2023 Resolved
Dalapon MONITORING AND REPORTING — 0.2 mg/L 2023 Resolved
Picloram MONITORING AND REPORTING — 0.5 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
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
Nitrate MONITORING AND REPORTING — 10 mg/L 2023 Resolved
Nitrite MONITORING AND REPORTING — 1 mg/L 2023 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2022 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2021 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2020 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2020 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2020 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2019 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2019 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2019 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2018 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2018 Resolved
Revised Total Coliform Rule REPORTING FAILURE — — 2018 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2017 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 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

32 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 Highland S & W Auth Beaverdam
PWSID PA4110017
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 377
Service connections 10,419
Systems serving this area 3
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Washington tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does Washington water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Washington? ▼
Highland S & W Auth Beaverdam (PWSID PA4110017), one of 3 systems serving this area. Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2026-01-20. No significant deficiencies were recorded.

What Should Washington 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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