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Water system · PWSID MT0000270

LAUREL MUNICIPAL WATER SYSTEM

LAUREL, MT · ~6,339 people served

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

PWSID

MT0000270

State

Montana

City

LAUREL

Population served

6,339

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

Lithium

41,900 ppt

limit —

No federal limit

Violations & enforcement

63

Violations on record

0

Unaddressed

5

Health-based

39

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2023. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Oct 2022 Resolved
Treatment technique · EPA contaminant 0300 health-based began Jun 2022 Resolved
Other · EPA contaminant 7000 began Jul 2021 Resolved
Other · EPA contaminant 7000 began Jul 2018 Resolved
Monitoring & reporting · Arsenic began Apr 2008 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2005 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Oct 2005 Resolved
Monitoring & reporting · EPA contaminant 2955 began Jan 2005 Resolved
Monitoring & reporting · EPA contaminant 2964 began Jan 2005 Resolved
Monitoring & reporting · EPA contaminant 2969 began Jan 2005 Resolved
Monitoring & reporting · EPA contaminant 2380 began Jan 2005 Resolved
Monitoring & reporting · EPA contaminant 2977 began Jan 2005 Resolved

Recent enforcement actions

  • State action · SOX Sep 2023
  • State action · SIA Nov 2022
  • State action · SIE Nov 2022
  • State action · SOX Jul 2022
  • State action · SIE Jul 2022
  • State action · SIF Jul 2022
  • State action · SIA Jul 2022
  • State action · SOX Jul 2021

This profile is built from EPA public records for system MT0000270 — 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.