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Water system · PWSID LA1073047

SOUTHWEST OUACHITA WATERWORKS, INC

WEST MONROE, LA · ~10,725 people served

Check your exact address → WEST MONROE overview
100
Excellent
PurityRadar safety score

PWSID

LA1073047

State

Louisiana

City

WEST MONROE

Population served

10,725

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

Lithium

10,300 ppt

limit —

No federal limit

Violations & enforcement

38

Violations on record

0

Unaddressed

36

Health-based

107

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2022. Official EPA record →

Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2020 Resolved
Treatment technique · EPA contaminant 0700 health-based began Jan 2020 Resolved
Treatment technique · EPA contaminant 0700 health-based began Jan 2020 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2019 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2019 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2018 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Oct 2018 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2018 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jul 2018 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2018 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Apr 2018 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2018 Resolved

Recent enforcement actions

  • State action · SOX Mar 2022
  • State action · SIF Nov 2020
  • State action · SIE Sep 2020
  • State action · SOX Sep 2020
  • State action · SIA Sep 2020
  • State action · SID Apr 2020
  • State action · SOX Apr 2020
  • State action · SOX Apr 2020

This profile is built from EPA public records for system LA1073047 — 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.