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Vanderbilt, TX Tap Water Quality 2026

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

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

Main Utility: Guadalupe Blanco River Authority PWSID: TX0290005 Updated: 2026 Q2
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2 violations currently open

Lead has not been reported for this system. PFAS has never been sampled at this system.

D

Vanderbilt earns a D for water quality

Graded on violations alone, with state inspection findings. PFAS not tested. Lead not reported.

Lead: not reported
PFAS never sampled at this system
24 violations since 2015, 13 health-based
2 violations currently open
Vanderbilt's lead level vs. all Texas community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: — 0% of the federal action level
✓ Lower lead than % of Texas utilities
Population Served
374
~9613 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
2
2 open of 24 since 2015

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Action level: 15 ppb
No lead result has been reported for this system in the current window. That is a gap in state reporting, not a finding of safety.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Public Notice OTHER — — 2026 Unaddressed
TTHM MCL EXCEEDANCE 0.083 MG/L 0.080 mg/L 2026 Unaddressed
Public Notice OTHER — — 2025 Resolved
TTHM MCL EXCEEDANCE 0.082 MG/L 0.080 mg/L 2025 Resolved
TTHM MCL EXCEEDANCE 0.083 MG/L 0.080 mg/L 2025 Resolved
Public Notice OTHER — — 2025 Resolved
Public Notice OTHER — — 2025 Unaddressed
Public Notice OTHER — — 2025 Resolved
Interim Enhanced Surface Water Treatment Rule TREATMENT TECHNIQUE — — 2025 Resolved
TTHM MCL EXCEEDANCE 0.091 MG/L 0.080 mg/L 2025 Resolved
TTHM MCL EXCEEDANCE 0.086 MG/L 0.080 mg/L 2025 Resolved
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Unaddressed
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2024 Unaddressed
TTHM MCL EXCEEDANCE 0.083 MG/L 0.080 mg/L 2024 Resolved
TTHM MCL EXCEEDANCE 0.093 MG/L 0.080 mg/L 2024 Resolved
TTHM MCL EXCEEDANCE 0.084 MG/L 0.080 mg/L 2024 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2024 Resolved
TTHM MCL EXCEEDANCE 0.094 MG/L 0.080 mg/L 2024 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2023 Resolved
TTHM MCL EXCEEDANCE 0.097 MG/L 0.080 mg/L 2023 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2023 Resolved
Public Notice OTHER — — 2023 Resolved
TTHM MCL EXCEEDANCE 0.082 MG/L 0.080 mg/L 2023 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 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

2 violations remain open, out of 24 recorded since 2015 (13 health-based).

About the Main Water System

Utility Guadalupe Blanco River Authority
PWSID TX0290005
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 374
Service connections 9,613
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Vanderbilt tap water safe to drink? ▼
No federal limit is exceeded on record. 2 violation(s) remain open.
Does Vanderbilt water have PFAS? ▼
This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.
Who supplies water to Vanderbilt? ▼
Guadalupe Blanco River Authority (PWSID TX0290005). Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2024-07-25. No significant deficiencies were recorded.

What Should Vanderbilt 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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