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San Antonio, FL Tap Water Quality 2026

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

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

Main Utility: San Antonio Water Dept-City Of PWSID: FL6510325 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 4.50 ppb, 30% of the action level and no violations are open. PFAS has never been sampled at this system.

B

San Antonio earns a B for water quality

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

Lead: 4.50 ppb — 30% of the federal action level
PFAS never sampled at this system
11 violations since 2015, 0 health-based
No violations currently open
San Antonio's lead level vs. all Florida community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 4.50 ppb — 30% of the federal action level
✓ Lower lead than 7% of Florida utilities
Population Served
1175
~325 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
11 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
30% of EPA action level
4.50 ppb
Action level: 15 ppb
The 90th-percentile lead result is 4.50 ppb, 30% 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
E. COLI MONITORING AND REPORTING — 0 2026 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2026 Archived
E. COLI MONITORING AND REPORTING — 0 2026 Archived
E. COLI MONITORING AND REPORTING — 0 2025 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2025 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2024 Archived
E. COLI MONITORING AND REPORTING — 0 2024 Archived
Consumer Confidence Rule OTHER — — 2024 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2024 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2024 Resolved
Consumer Confidence Rule OTHER — — 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

11 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 San Antonio Water Dept-City Of
PWSID FL6510325
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 1,175
Service connections 325
Systems serving this area 3
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is San Antonio tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 4.50 ppb, 30% of the action level.
Does San Antonio 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 San Antonio? ▼
San Antonio Water Dept-City Of (PWSID FL6510325), one of 3 systems serving this area. Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2022-10-26. No significant deficiencies were recorded.

What Should San Antonio 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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