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Rayville, LA Tap Water Quality 2026

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

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

Main Utility: Town Of Rayville Water System PWSID: LA1083006 Updated: 2026 Q2
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10 violations currently open

Lead is 1.00 ppb, 7% of the action level. No PFAS was detected.

D

Rayville earns a D 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
49 violations since 2015, 37 health-based
10 violations currently open
Rayville'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
3322
~1614 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
10
10 open of 49 since 2015

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
Lead and Copper Rule MONITORING AND REPORTING — TT 2025 Unaddressed
Consumer Confidence Rule OTHER — — 2025 Resolved
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Unaddressed
Public Notice OTHER — — 2022 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2022 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2022 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2022 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2022 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2022 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2022 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2022 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2022 Unaddressed
TTHM MCL EXCEEDANCE 0.095 MG/L 0.080 mg/L 2019 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2019 Unaddressed
Groundwater Rule TREATMENT TECHNIQUE — — 2019 Resolved
Groundwater Rule TREATMENT TECHNIQUE — — 2019 Addressed
Groundwater Rule TREATMENT TECHNIQUE — — 2019 Resolved
TTHM MCL EXCEEDANCE 0.125 MG/L 0.080 mg/L 2019 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.074 MG/L 0.060 mg/L 2019 Resolved
Public Notice OTHER — — 2019 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.072 MG/L 0.060 mg/L 2019 Resolved
TTHM MCL EXCEEDANCE 0.131 MG/L 0.080 mg/L 2019 Resolved
Public Notice OTHER — — 2018 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 68 UG/L 0.060 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 142 UG/L 0.080 mg/L 2018 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 64 UG/L 0.060 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 144 UG/L 0.080 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 138 UG/L 0.080 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 146 UG/L 0.080 mg/L 2018 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 141 UG/L 0.080 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 139 UG/L 0.080 mg/L 2017 Resolved
TTHM MCL EXCEEDANCE 131 UG/L 0.080 mg/L 2017 Resolved
Public Notice OTHER — — 2017 Resolved
TTHM MCL EXCEEDANCE 122 UG/L 0.080 mg/L 2017 Resolved
Public Notice OTHER — — 2016 Resolved
Public Notice OTHER — — 2016 Resolved
TTHM MCL EXCEEDANCE 101 UG/L 0.080 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 101 UG/L 0.080 mg/L 2016 Resolved
Public Notice OTHER — — 2016 Resolved
TTHM MCL EXCEEDANCE 117 UG/L 0.080 mg/L 2016 Resolved
TTHM MCL EXCEEDANCE 133 UG/L 0.080 mg/L 2016 Resolved
Consumer Confidence Rule OTHER — — 2015 Resolved
TTHM MCL EXCEEDANCE 148 UG/L 0.080 mg/L 2015 Resolved
TTHM MCL EXCEEDANCE 143 UG/L 0.080 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 64 UG/L 0.060 mg/L 2015 Resolved
Consumer Confidence Rule OTHER — — 2015 Resolved
TTHM MCL EXCEEDANCE 98.7 UG/L 0.080 mg/L 2015 Resolved
Coliform (TCR) MCL EXCEEDANCE — 5% of samples 2015 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

10 violations remain open, out of 49 recorded since 2015 (37 health-based).

About the Main Water System

Utility Town Of Rayville Water System
PWSID LA1083006
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 3,322
Service connections 1,614
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Rayville tap water safe to drink? ▼
No federal limit is exceeded on record. 10 violation(s) remain open. Lead is 1.00 ppb, 7% of the action level.
Does Rayville water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Rayville? ▼
Town Of Rayville Water System (PWSID LA1083006). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2025-07-03. No significant deficiencies were recorded.

What Should Rayville 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
Follow the open violation
This system has an unresolved violation. Contact the supplier for its corrective-action schedule.

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