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Flint, MI Tap Water Quality 2026

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

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

Main Utility: Flint, City Of PWSID: MI0002310 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 6.00 ppb, 40% of the action level and no violations are open. No PFAS was detected.

C

Flint earns a C for water quality

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

Lead: 6.00 ppb — 40% of the federal action level
PFAS tested, none detected
6 violations since 2015, 3 health-based
No violations currently open
Flint's lead level vs. all Michigan community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 6.00 ppb — 40% of the federal action level
✓ Lower lead than 16% of Michigan utilities
Population Served
80795
~28963 connections
Water Source
Surface water
Purchased from another system — SDWIS source code SWP
Active Violations
0
6 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
40% of EPA action level
6.00 ppb
Action level: 15 ppb
The 90th-percentile lead result is 6.00 ppb, 40% 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
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2020 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2020 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2019 Resolved
TTHM MCL EXCEEDANCE 0.094 MG/L 0.080 mg/L 2015 Archived
TTHM MCL EXCEEDANCE 0.105 MG/L 0.080 mg/L 2015 Archived
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

6 violations are on record since 2015, of which 3 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Flint, City Of
PWSID MI0002310
Water source Surface water — Purchased from another system — SDWIS source code SWP
Population served 80,795
Service connections 28,963
Systems serving this area 3
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Flint tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 6.00 ppb, 40% of the action level.
Does Flint water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Flint? ▼
Flint, City Of (PWSID MI0002310), one of 3 systems serving this area. Surface water. Purchased from another system — SDWIS source code SWP
When was this system last inspected? ▼
It was last inspected on 2026-01-21. Inspectors recorded 2 significant deficiencies.

What Should Flint Residents Do?

1
Consider a filter certified for lead
Look for NSF/ANSI 53 certification for lead reduction.
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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