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Presidio, TX Tap Water Quality 2026

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

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

Main Utility: City Of Presidio PWSID: TX1890002 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead was not detected and no violations are open. No PFAS was detected.

A

Presidio earns an A for water quality

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

Lead: not detected
PFAS tested, none detected
10 violations since 2015, 1 health-based
No violations currently open
Presidio'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
3264
~2143 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
10 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
Public Notice OTHER — — 2025 Resolved
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Resolved
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2024 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2023 Unaddressed
Lead and Copper Rule MONITORING AND REPORTING — TT 2023 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2019 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2016 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2016 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2015 Resolved
Public Notice OTHER — — 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 are on record since 2015, of which 1 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility City Of Presidio
PWSID TX1890002
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 3,264
Service connections 2,143
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Presidio tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does Presidio water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Presidio? ▼
City Of Presidio (PWSID TX1890002). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2024-03-21. No significant deficiencies were recorded.

What Should Presidio 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 Texas

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