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Water system · PWSID PA1150098

AQUA PA WEST CHESTER

85
Excellent
PurityRadar safety score

PWSID

PA1150098

State

Pennsylvania

City

BRYN MAWR

Population served

48,600

Primary source

Surface water

Score history

▼ 15 points — the score moved from 100 to 85 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 85

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 Oct 2024). Levels in parts per trillion (ppt).

PFOA

Perfluorooctanoic acid

5.1 ppt

limit 4 ppt

Above EPA limit · 1.3×

PFBA

5.7 ppt

limit —

No federal limit

PFPeA

5.7 ppt

limit —

No federal limit

PFHxA

4 ppt

limit —

No federal limit

PFBS

3.1 ppt

limit —

No federal limit

Violations & enforcement

63

Violations on record

0

Unaddressed

1

Health-based

29

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Feb 2024. Official EPA record →

Monitoring & reporting · EPA contaminant 2036 began Oct 2023 Resolved
Monitoring & reporting · EPA contaminant 2037 began Oct 2023 Resolved
Monitoring & reporting · EPA contaminant 2031 began Oct 2023 Resolved
Monitoring & reporting · EPA contaminant 2035 began Oct 2023 Resolved
Monitoring & reporting · EPA contaminant 2033 began Oct 2023 Resolved
Monitoring & reporting · EPA contaminant 2020 began Oct 2023 Resolved
Monitoring & reporting · EPA contaminant 2005 began Oct 2023 Resolved
Monitoring & reporting · EPA contaminant 2015 began Oct 2023 Resolved
Monitoring & reporting · EPA contaminant 2032 began Oct 2023 Resolved
Monitoring & reporting · EPA contaminant 2034 began Oct 2023 Resolved
Monitoring & reporting · EPA contaminant 2010 began Oct 2023 Resolved
Monitoring & reporting · EPA contaminant 2039 began Oct 2023 Resolved

Recent enforcement actions

  • State action · SOX Feb 2024
  • State action · SIA Feb 2024
  • State action · SIA Feb 2024
  • State action · SIF May 2021
  • State action · SOX Oct 2020
  • State action · SIE Oct 2020
  • State action · SOX Sep 2020
  • State action · SIA May 2020

This profile is built from EPA public records for system PA1150098 — 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.