Tapcensus

Lead and Copper Rule (LCR) violations in Michigan

344 active public water systems in Michigan had a Lead and Copper Rule (LCR) violation in the past three years, 331 of them in the latest quarter of EPA's data. What Lead and Copper Rule (LCR) is and why it matters.

Health effects: Lead: no safe level for children. Causes irreversible neurological damage, impaired cognitive development, behavioral problems, and reduced IQ in children under 6. In adults: hypertension, cardiovascular disease, kidney damage. Copper: acute gastrointestinal distress at high levels; liver/kidney damage at very high chronic levels.

Systems with a Lead and Copper Rule (LCR) violation

Latest quarter first, then largest first
SystemServesStatusRules violated, 3 yrUnresolved
Lake Superior State University
Roscommon County
40 2 1
Lil Friends at Ross
Lenawee County
40 1 1
Advanced Fiber Molding
Osceola County
38 2 1
Divine Nest
Ingham County
38 2 1
Bandit South
Isabella County
37 2 1
Follow the Child Montessori
Livingston County
36 1 1
Oaisd Sheldon Pines School
Ottawa County
35 2 2
Oak Hill Corners
Oakland County
35 3 1
Cole Carbide Industries INC
Sanilac County
34 2 1
Romeo Professional Ctr
Macomb County
34 1 1
Nikon Metrology INC
Livingston County
33 1 1
Cedar Cove Manor
Mackinac County
32 2 1
Country Meadows School
Missaukee County
30 6 1
National Element
Livingston County
30 1 1
Owosso Graphic Arts
Shiawassee County
30 1 1
Wiggles & Giggles
Oakland County
30 1 1
Ida Strip Mall
Monroe County
29 1 1
Peacock Industries INC
Lake County
29 1 0
Williams Gun Sight CO
Genesee County
28 4 1
Oak Trails School
Washtenaw County
27 1 1
Atf INC
Ogemaw County
25 1 1
Bear Lake Migrant Head Start
Manistee County
25 1 1
Crystal Water Corporation
Genesee County
25 4 1
Elder Ridge Manor
Ingham County
25 1 1
Fca Chelsea Proving Grounds Adas Buildin
Washtenaw County
25 3 1
O-N Minerals (mi)/carmeuse Lime Calcit
Presque Isle County
25 2 1
Patterson Vet Clinic
Ingham County
25 2 1
Rathmourne Medina Dairy
Lenawee County
25 3 1
Timber Products Co. Office
Alger County
25 1 1
Timber Products Co. Sawmill
Alger County
25 1 1
Timber Products Co. Veneermill
Alger County
25 1 1
Bay City, City of
Bay City · Bay County
32,255 1 0
Birmingham
Birmingham · Oakland County
20,472 2 0
Grosse Pointe Park
Grosse Pointe Park · Wayne County
11,555 2 0
Midland Co., Water Dist. No. 1 of
Midland County
11,000 1 0
Big Rapids
Big Rapids · Mecosta County
10,403 2 0
Ada Township
Ada · Kent County
7,584 1 0
Shanty Creek Watars Association
Antrim County
1,250 1 0
Lawrence
Lawrence · Van Buren County
1,045 3 0
Arbor Village
Jackson County
670 3 0
Thompsonville, Village of
Benzie County
438 1 0
Lincoln Pines
Kent County
390 1 0
Grant Township Copper Harbor
Copper Harbor · Keweenaw County
200 3 0
Hermansville Housing Comm.
Menominee County
36 3 1
About this data

A system is counted once if any of its violations in the past three years involved Lead and Copper Rule (LCR), including monitoring and reporting lapses. Rules violated and status in the table are for the whole system, not Lead and Copper Rule (LCR) alone.

Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Michigan records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet.