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West Monroe, LA Tap Water Quality 2026

Water quality report for West Monroe, LA — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at West Monroe's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: West Monroe Water System PWSID: LA1073056 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 1.00 ppb, 7% of the action level and no violations are open. No PFAS was detected.

C

West Monroe earns a C for water quality

Graded on violations, lead, and PFAS, with state inspection findings.

Lead: 1.00 ppb — 7% of the federal action level
PFAS tested, none detected
13 violations since 2015, 12 health-based
No violations currently open
West Monroe's lead level vs. all Louisiana community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.00 ppb — 7% of the federal action level
✓ Lower lead than 88% of Louisiana utilities
Population Served
11251
~5335 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
13 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
7% of EPA action level
1.00 ppb
Action level: 15 ppb
The 90th-percentile lead result is 1.00 ppb, 7% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
TTHM MCL EXCEEDANCE 0.084 MG/L 0.080 mg/L 2023 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2023 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2023 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2023 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2023 Resolved
Public Notice OTHER — — 2020 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2020 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2020 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2020 Resolved
TTHM MCL EXCEEDANCE 83 UG/L 0.080 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 82 UG/L 0.080 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 84 UG/L 0.080 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 84 UG/L 0.080 mg/L 2016 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

13 violations are on record since 2015, of which 12 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility West Monroe Water System
PWSID LA1073056
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 11,251
Service connections 5,335
Systems serving this area 6
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is West Monroe tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 1.00 ppb, 7% of the action level.
Does West Monroe water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to West Monroe? ▼
West Monroe Water System (PWSID LA1073056), one of 6 systems serving this area. Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2025-05-15. Inspectors recorded 4 significant deficiencies.

What Should West Monroe Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

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