States ›Mississippi ›Lamar County ›West Hattiesburg

West Hattiesburg, MS Tap Water Quality 2026

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

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

Main Utility: Lamar Park Water & Sewage Assn PWSID: MS0370004 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 1.70 ppb, 11% of the action level and no violations are open. No PFAS was detected.

A

West Hattiesburg earns an A for water quality

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

Lead: 1.70 ppb — 11% of the federal action level
PFAS tested, none detected
4 violations since 2015, 0 health-based
No violations currently open
West Hattiesburg's lead level vs. all Mississippi community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.70 ppb — 11% of the federal action level
✓ Lower lead than 36% of Mississippi utilities
Population Served
4787
~2922 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
4 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
11% of EPA action level
1.70 ppb
Action level: 15 ppb
The 90th-percentile lead result is 1.70 ppb, 11% 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 MONITORING AND REPORTING — 0.080 mg/L 2024 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2024 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2023 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2023 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

4 violations are on record since 2015, of which 0 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Lamar Park Water & Sewage Assn
PWSID MS0370004
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 4,787
Service connections 2,922
Systems serving this area 4
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is West Hattiesburg tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 1.70 ppb, 11% of the action level.
Does West Hattiesburg water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to West Hattiesburg? ▼
Lamar Park Water & Sewage Assn (PWSID MS0370004), one of 4 systems serving this area. Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2025-03-20. No significant deficiencies were recorded.

What Should West Hattiesburg 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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