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Water system · PWSID MS0340001

CALHOUN WATER ASSOCIATION

LAUREL, MS · ~3,730 people served

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

PWSID

MS0340001

State

Mississippi

City

LAUREL

Population served

3,730

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

Lithium

9,830 ppt

limit —

No federal limit

Violations & enforcement

144

Violations on record

0

Unaddressed

0

Health-based

119

Enforcement actions

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

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2024 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2024 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2023 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2023 Resolved
Monitoring & reporting · EPA contaminant 4030 began Oct 2012 Resolved
Monitoring & reporting · EPA contaminant 4030 began Oct 2012 Resolved
Monitoring & reporting · Combined radium-226/228 began Oct 2012 Resolved
Monitoring & reporting · EPA contaminant 4020 began Oct 2012 Resolved
Monitoring & reporting · EPA contaminant 4020 began Oct 2012 Resolved
Monitoring & reporting · Combined radium-226/228 began Oct 2012 Resolved
Monitoring & reporting · EPA contaminant 4020 began Jul 2012 Resolved
Monitoring & reporting · EPA contaminant 4020 began Jul 2012 Resolved

Recent enforcement actions

  • State action · SOX Sep 2025
  • State action · SO+ Mar 2025
  • State action · SO+ Mar 2024
  • State action · SIF May 2013
  • State action · SOX Dec 2012
  • State action · SOX Dec 2012
  • State action · SOX Dec 2012
  • State action · SOX Dec 2012

This profile is built from EPA public records for system MS0340001 — 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.