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Williston, FL Tap Water Quality 2026

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

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

Main Utility: Wilton Manors, City Of PWSID: FL4061574 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 4.80 ppb, 32% of the action level and no violations are open. PFAS was sampled but not enough times for a compliance determination.

B

Williston earns a B for water quality

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

Lead: 4.80 ppb — 32% of the federal action level
PFAS sampled, too few results to judge
27 violations since 2015, 0 health-based
No violations currently open
Williston's lead level vs. all Florida community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 4.80 ppb — 32% of the federal action level
✓ Lower lead than 6% of Florida utilities
Population Served
1626
~4287 connections
Water Source
Groundwater
Purchased groundwater from another system — SDWIS source code GWP
Active Violations
0
27 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
32% of EPA action level
4.80 ppb
Action level: 15 ppb
The 90th-percentile lead result is 4.80 ppb, 32% 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
Revised Total Coliform Rule MONITORING FAILURE — — 2026 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2025 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2025 Archived
Consumer Confidence Rule OTHER — — 2025 Unaddressed
Revised Total Coliform Rule MONITORING FAILURE — — 2025 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2025 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2025 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2024 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2024 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2024 Archived
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2024 Archived
TTHM MONITORING AND REPORTING — 0.080 mg/L 2024 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2024 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2024 Archived
Consumer Confidence Rule OTHER — — 2024 Unaddressed
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2024 Archived
TTHM MONITORING AND REPORTING — 0.080 mg/L 2024 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2024 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2024 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2024 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2024 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2023 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2023 Archived
Revised Total Coliform Rule MONITORING FAILURE — — 2023 Archived
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2023 Archived
TTHM MONITORING AND REPORTING — 0.080 mg/L 2023 Archived
Lead and Copper Rule MONITORING AND REPORTING — TT 2021 Unaddressed
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

27 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 Wilton Manors, City Of
PWSID FL4061574
Water source Groundwater — Purchased groundwater from another system — SDWIS source code GWP
Population served 1,626
Service connections 4,287
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Williston tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 4.80 ppb, 32% of the action level.
Does Williston water have PFAS? ▼
It was sampled, but no sampling point had enough results for a compliance determination.
Who supplies water to Williston? ▼
Wilton Manors, City Of (PWSID FL4061574), one of 2 systems serving this area. Groundwater. Purchased groundwater from another system — SDWIS source code GWP
When was this system last inspected? ▼
It was last inspected on 2025-09-08. No significant deficiencies were recorded.

What Should Williston 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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