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Water system · PWSID PA4410175

MONTOURSVILLE WATER COMPANY

MONTOURSVILLE, PA · ~4,983 people served

Check your exact address → MONTOURSVILLE overview
43
Action needed
PurityRadar safety score

PWSID

PA4410175

State

Pennsylvania

City

MONTOURSVILLE

Population served

4,983

Primary source

Groundwater

Score history

▼ 57 points — the score moved from 100 to 43 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 43

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).

PFOS

Perfluorooctanesulfonic acid

12 ppt

limit 4 ppt

Above EPA limit · 3.0×

PFOA

Perfluorooctanoic acid

6.6 ppt

limit 4 ppt

Above EPA limit · 1.6×

PFHxS

Perfluorohexanesulfonic acid

3.1 ppt

limit 10 ppt

Below EPA limit

PFPeA

4.2 ppt

limit —

No federal limit

PFHxA

3.3 ppt

limit —

No federal limit

Violations & enforcement

63

Violations on record

0

Unaddressed

1

Health-based

57

Enforcement actions

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

Other · EPA contaminant 7500 began Feb 2025 Resolved
Other · EPA contaminant 7500 began Apr 2024 Resolved
Other · EPA contaminant 7500 began Apr 2024 Resolved
Monitoring & reporting · EPA contaminant 0700 began Jan 2024 Resolved
Monitoring & reporting · EPA contaminant 2383 began Oct 2023 Resolved
Other · EPA contaminant 7500 began Jul 2023 Resolved
Monitoring & reporting · EPA contaminant 0999 began May 2023 Resolved
Monitoring & reporting · EPA contaminant 0700 began Jun 2022 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2020 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2020 Resolved
Monitoring & reporting · EPA contaminant 2383 began Jul 2020 Resolved
Monitoring & reporting · EPA contaminant 2063 began Jul 2020 Resolved

Recent enforcement actions

  • State action · SOX Apr 2025
  • State action · SIF Apr 2025
  • State action · SOX Apr 2025
  • State action · SOX Nov 2024
  • State action · SOX Jun 2024
  • State action · SOX Jun 2024
  • State action · SFJ Mar 2024
  • State action · SIE Mar 2024

This profile is built from EPA public records for system PA4410175 — 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.