Lead In Drinking Water In Michigan
What residents of Michigan need to know about lead in drinking water — including how it enters water, which utilities have documented violations, and what steps to take.
Source: EPA SDWIS, Michigan Department of Environment, Great Lakes, and Energy (EGLE), CDC · Last reviewed: 2025-01-01
Quick Answer
Is lead in drinking water a real concern in Michigan?
Yes — Michigan has one of the most significant lead-in-water histories in the country, anchored by the Flint water crisis and Benton Harbor's subsequent lead emergency.
Is this mostly a public-water issue, a private-well issue, or both?
Primarily public water service lines; Detroit, Flint, Benton Harbor, and other older Michigan cities have significant lead service line inventories.
What is the main reason residents should care?
Michigan enacted some of the strictest lead rules in the country after the Flint crisis — including a state action level of 12 µg/L (later 10 µg/L), stricter than the federal 15 µg/L standard. Michigan EGLE also requires accelerated lead service line replacement.
Key Facts
| Michigan Lead Action Level | 10 µg/L (stricter than federal 15 µg/L) |
| Flint crisis timeline | 2014–2019: inadequate corrosion control caused widespread lead exposure |
| Benton Harbor | Exceeded lead action levels in 2021; bottled water distributed |
| State law | Michigan requires accelerated lead service line replacement |
| State oversight | Michigan EGLE — one of the most protective lead frameworks in the US |
Why This Matters in Michigan
The Flint water crisis (2014–2019) made Michigan the most prominent state in the national conversation about lead in drinking water. A change in the city's water source and inadequate corrosion control caused widespread lead leaching in Flint's aging infrastructure, exposing residents — including thousands of children — to elevated lead levels. Following Flint, Michigan discovered that Benton Harbor exceeded lead action levels, leading to bottled water distribution in 2021. Michigan now has some of the most protective lead regulations in the U.S. and requires accelerated lead service line replacement. EGLE oversees an active replacement program statewide.
Historical Context
The Flint water crisis (2014–2019) exposed tens of thousands of residents to elevated lead levels due to inadequate corrosion control after switching water sources. Michigan subsequently set a 12 µg/L action level (reduced to 10 µg/L) and accelerated lead service line replacement statewide. In 2021, Benton Harbor declared a lead emergency with levels exceeding the action level, leading to bottled water distribution.
Michigan Utilities With Lead Violation Records
The utilities listed below have at least one lead violation on record in EPA's SDWIS database. Violations may be open or resolved — see individual utility pages for current status and risk level.
Kalamazoo
Kalamazoo · 192,992 served
Lansing Board of Water & Light
Lansing · 166,000 served
Livonia
Livonia · 96,942 served
City of Flint
Flint · 81,252 served
Genesee County Water System
Michigan · 73,726 served
Waterford Township
Waterford · 73,441 served
Southfield
Southfield · 71,739 served
Taylor
Taylor · 63,409 served
City of St. Clair Shores
St. Clair Shores · 59,715 served
Dearborn Heights
Dearborn Heights · 57,774 served
How Lead Gets Into Drinking Water
Lead service lines
The pipe connecting a home to the water main may be made of lead, especially in pre-1986 construction. Water sitting in these lines can accumulate lead before it reaches the tap.
Lead solder
Lead solder at pipe joints was banned for potable water systems in 1986. Homes built before that date — including significant portions of older Michigan cities — may still have lead solder throughout their plumbing.
Older brass fixtures
Faucets, valves, and fixtures with high lead content were common before the 2014 revision of 'lead-free' standards. Replacing older fixtures at kitchen and drinking taps can meaningfully reduce exposure.
Corrosive water chemistry
Soft, acidic, or low-alkalinity water dissolves lead from plumbing more readily. Utilities use orthophosphate and other corrosion control treatments, but household plumbing after the meter is not within their control.
Who Should Pay Closest Attention
Children under six who lived in Flint during the crisis represent the most documented case of lead exposure in recent U.S. history. Residents of Detroit, Benton Harbor, Flint, and other older Michigan cities with pre-war housing stock continue to face elevated risk.
Families with children under six
Pregnant residents
Households in homes built before 1986
Renters who cannot inspect building plumbing
Residents on a confirmed lead service line
Households that had plumbing work done recently (disturbances dislodge protective scale)
How to Check Your Situation in Michigan
- 1
Identify your water utility. Use the ZIP lookup below or browse the Michigan utility directory on this site.
- 2
Read your utility's page on this site to see its current risk level and any open lead violations.
- 3
Contact your utility and ask for your address-level service line material status. Under the federal Lead and Copper Rule Revisions (LCRR), utilities must maintain and provide this information.
- 4
Review your utility's most recent Consumer Confidence Report (CCR) — mailed annually or available on the utility's website.
- 5
Consider testing your tap water at a Michigan Department of Environment, Great Lakes, and Energy (EGLE)-certified lab. Your state health department or Michigan Department of Environment, Great Lakes, and Energy (EGLE) maintains a list of certified labs.
- 6
If you have young children or are pregnant, install a certified NSF/ANSI 53 or 58 filter at the kitchen tap as a precautionary measure.
Treatment Options
Boiling does not remove lead. Use a certified filter for drinking and cooking water.
NSF/ANSI Standard 53 — Activated Carbon Block
Under-sink or pitcher filters certified to Standard 53 are independently verified to reduce lead. Replace filters on the manufacturer's schedule — an overdue filter may not perform as certified.
NSF/ANSI Standard 58 — Reverse Osmosis
RO systems certified to Standard 58 remove 95–99% of lead and a broad range of contaminants. Requires under-sink installation. More comprehensive than Standard 53 for households with multiple contaminant concerns.
Flushing — temporary mitigation only
EPA recommends flushing the cold tap for 30 seconds to 2 minutes if water has sat in pipes for 6+ hours. Not a substitute for certified filtration or service line replacement.
Frequently Asked Questions
Related Pages
Lead — National Overview
All U.S. utilities with lead records
Michigan State Overview
All utilities and water quality data
Nitrate in Drinking Water
A separate but common concern
Reverse Osmosis Guide
Removes 95–99% of lead
Activated Carbon Filter Guide
NSF/ANSI 53 certified options
All Contaminants
Complete reference library
Data Sources & Provenance
All data on this page is sourced from official U.S. government or public datasets.