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Gray, LA Tap Water Quality 2026

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

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

Main Utility: Schriever Water Treatment Service Area PWSID: LA1109002 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.

A

Gray earns an A 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
5 violations since 2015, 0 health-based
No violations currently open
Gray'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
5495
~38820 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
5 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
Chlorine dioxide MONITORING AND REPORTING — 0.8 mg/L 2021 Resolved
Chlorine dioxide MONITORING AND REPORTING — 0.8 mg/L 2018 Resolved
Consumer Confidence Rule OTHER — — 2017 Resolved
Consumer Confidence Rule OTHER — — 2017 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 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

5 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 Schriever Water Treatment Service Area
PWSID LA1109002
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 5,495
Service connections 38,820
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Gray 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 Gray water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Gray? ▼
Schriever Water Treatment Service Area (PWSID LA1109002). Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2023-05-17. Inspectors recorded 1 significant deficiency.

What Should Gray 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.

Nearby Cities in Louisiana

Bayou Cane, La Tap Water Quality 2026 Terrebonne Parish Houma, La Tap Water Quality 2026 Terrebonne Parish Schriever, La Tap Water Quality 2026 Terrebonne Parish Chauvin, La Tap Water Quality 2026 Terrebonne Parish Bourg, La Tap Water Quality 2026 Terrebonne Parish Presquille, La Tap Water Quality 2026 Terrebonne Parish