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Water system · PWSID PA5020050

SEWICKLEY BORO WATER AUTH

SEWICKLEY, PA · ~6,800 people served

Check your exact address → SEWICKLEY overview
100
Excellent
PurityRadar safety score

PWSID

PA5020050

State

Pennsylvania

City

SEWICKLEY

Population served

6,800

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

Latest detections from EPA’s UCMR5 monitoring (through Dec 2023). Levels in parts per trillion (ppt).

PFHxS

Perfluorohexanesulfonic acid

3.2 ppt

limit 10 ppt

Below EPA limit

PFPeA

7 ppt

limit —

No federal limit

PFBA

5.4 ppt

limit —

No federal limit

PFBS

4.5 ppt

limit —

No federal limit

PFHxA

4.5 ppt

limit —

No federal limit

Violations & enforcement

61

Violations on record

1

Unaddressed

2

Health-based

57

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2026. Official EPA record →

Other · EPA contaminant 7500 began Dec 2024 Unaddressed
Other · EPA contaminant 7000 began Oct 2025 Resolved
Treatment technique · Lead & Copper Rule health-based began Nov 2024 Resolved
Reporting · Lead & Copper Rule began Nov 2024 Resolved
Monitoring & reporting · EPA contaminant 0700 began Feb 2024 Resolved
Monitoring & reporting · EPA contaminant 0700 began Jun 2021 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jun 2021 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2019 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2019 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2019 Resolved
Monitoring & reporting · EPA contaminant 0700 began Feb 2018 Resolved
Monitoring & reporting · EPA contaminant 0700 began Jun 2015 Resolved

Recent enforcement actions

  • State action · SOX Jan 2026
  • State action · SFJ Jan 2026
  • State action · SOX Dec 2025
  • State action · SIE Feb 2025
  • State action · SFJ Feb 2025
  • State action · SOX Feb 2025
  • State action · SIA Apr 2024
  • State action · SOX Apr 2024

This profile is built from EPA public records for system PA5020050 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.