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Highland Park, MI Tap Water Quality 2026

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

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

Main Utility: Detroit City Of PWSID: MI0001800 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 7.50 ppb, 50% of the action level and no violations are open. No PFAS was detected.

A

Highland Park earns an A for water quality

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

Lead: 7.50 ppb — 50% of the federal action level
PFAS tested, none detected
1 violations since 2015, 0 health-based
No violations currently open
Highland Park's lead level vs. all Michigan community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 7.50 ppb — 50% of the federal action level
✓ Lower lead than 11% of Michigan utilities
Population Served
3435
~237000 connections
Water Source
Surface water
Purchased from another system — SDWIS source code SWP
Active Violations
0
1 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
50% of EPA action level
7.50 ppb
Action level: 15 ppb
The 90th-percentile lead result is 7.50 ppb, 50% 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
Consumer Confidence Rule OTHER — — 2020 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

1 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 Detroit City Of
PWSID MI0001800
Water source Surface water — Purchased from another system — SDWIS source code SWP
Population served 3,435
Service connections 237,000
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Highland Park tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 7.50 ppb, 50% of the action level.
Does Highland Park water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Highland Park? ▼
Detroit City Of (PWSID MI0001800), one of 2 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 2024-12-16. No significant deficiencies were recorded.

What Should Highland Park 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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