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Water system · PWSID LA1019116

CALCASIEU PARISH WW DIST 9 CARLYSS

SULPHUR, LA · ~14,502 people served

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

PWSID

LA1019116

State

Louisiana

City

SULPHUR

Population served

14,502

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

Lithium

16,300 ppt

limit —

No federal limit

Violations & enforcement

11

Violations on record

0

Unaddressed

3

Health-based

28

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2018. Official EPA record →

Monitoring & reporting · EPA contaminant 0999 began Oct 2013 Resolved
Treatment technique · EPA contaminant 0700 health-based began Jan 2013 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Oct 2009 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2009 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2009 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 2009 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2009 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2009 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2008 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2008 Resolved
Other · EPA contaminant 7000 began Oct 1999 Resolved

Recent enforcement actions

  • State action · SOX Mar 2018
  • State action · SOX Feb 2018
  • State action · SO6 Feb 2018
  • State action · SOX Apr 2015
  • EPA/federal action · EFL Mar 2014
  • State action · SOX Jan 2014
  • State action · SIF Jan 2014
  • State action · SIE Nov 2013

This profile is built from EPA public records for system LA1019116 — 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.