BEAR VALLEY JOINT AUTH

ST THOMAS, PA · ~12,589 people served

Check your exact address → ST THOMAS overview

100

Excellent

PurityRadar safety score

PWSID

PA7280043

State

Pennsylvania

City

ST THOMAS

Population served

12,589

Primary source

Surface water

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 Mar 2025). Levels in parts per trillion (ppt).

Lithium

14,900 ppt

limit —

No federal limit

6:2 FTS

9.7 ppt

limit —

No federal limit

Violations & enforcement

108

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jul 2025. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Jul 2025 Unaddressed

Monitoring · Lead & Copper Rule began May 2023 Resolved

Monitoring & reporting · Selenium began Jan 2021 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2020 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Oct 2020 Resolved

Monitoring & reporting · EPA contaminant 0300 began Jul 2020 Resolved

Monitoring & reporting · Nitrate began Jan 2020 Resolved

Monitoring & reporting · Nitrite began Jan 2020 Resolved

Reporting · Lead & Copper Rule began Sep 2019 Resolved

Treatment technique · EPA contaminant 0200 health-based began Feb 2018 Resolved

Monitoring & reporting · EPA contaminant 2033 began Jan 2017 Resolved

Recent enforcement actions

State action · SIA Jul 2025
State action · SOX Jul 2023
State action · SIA Jul 2023
State action · SOX Apr 2022
State action · SIA Jan 2022
State action · SIE Jan 2022
State action · SOX Jun 2021
State action · SIF Jun 2021

This profile is built from EPA public records for system PA7280043 — 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.