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Oak Island, TX Tap Water Quality 2026

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

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

Main Utility: Tbcd West Treatment Plant PWSID: TX0360030 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead was not detected and no violations are open. PFAS was sampled but not enough times for a compliance determination.

B

Oak Island earns a B for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: not detected
PFAS sampled, too few results to judge
9 violations since 2015, 2 health-based
No violations currently open
Oak Island's lead level vs. all Texas community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: Not detected — 0% of the federal action level
✓ Lower lead than % of Texas utilities
Population Served
371
~3182 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
9 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Not detected
Action level: 15 ppb
Lead was not detected at the 90th percentile — the result fell below the laboratory detection limit. That is not the same as an absence of lead in every tap, and older homes with lead service lines can still show higher readings.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Revised Total Coliform Rule MONITORING FAILURE — — 2024 Resolved
Interim Enhanced Surface Water Treatment Rule TREATMENT TECHNIQUE — — 2021 Resolved
Interim Enhanced Surface Water Treatment Rule TREATMENT TECHNIQUE — — 2021 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 2020 Resolved
Chlorite MONITORING AND REPORTING — 1.0 mg/L 2018 Resolved
Chlorite MONITORING AND REPORTING — 1.0 mg/L 2018 Resolved
Chlorite MONITORING AND REPORTING — 1.0 mg/L 2018 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2017 Resolved
Interim Enhanced Surface Water Treatment Rule MONITORING AND REPORTING — — 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

9 violations are on record since 2015, of which 2 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Tbcd West Treatment Plant
PWSID TX0360030
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 371
Service connections 3,182
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Oak Island tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does Oak Island water have PFAS? ▼
It was sampled, but no sampling point had enough results for a compliance determination.
Who supplies water to Oak Island? ▼
Tbcd West Treatment Plant (PWSID TX0360030). Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2024-02-29. No significant deficiencies were recorded.

What Should Oak Island 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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