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GM Components Holdings, LLC

Motor Vehicle Parts And Accessories, Wyoming, Michigan. NPDES permit MI0001236, in force until Oct 1, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 24 reports late

Limits in force (25)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Oil & Greasedaily maximum≤ 10 mg/Lall year001
Chloride [as Cl]daily geometric meanreport only (mg/L)all year001
Sulfate, total [as SO4]daily geometric meanreport only (mg/L)all year001
Copper, total [as Cu]daily maximumreport only (ug/L)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Perfluorooctanesulfonatedaily geometric meanreport only (ng/L)all year001
Outfall observation,visual, y/n responsevaluereport only (N=0;Y=1)all year001
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year002
pHdaily minimum≥ 6.5 SUall year002
pHdaily maximum≤ 9 SUall year002
Oil & Greasedaily maximum≤ 10 mg/Lall year002
Chloride [as Cl]daily geometric meanreport only (mg/L)all year002
Sulfate, total [as SO4]daily geometric meanreport only (mg/L)all year002
Copper, total [as Cu]daily maximumreport only (ug/L)all year002
Cyanide [A]monthly average≤ 5.2 ug/Lall year002
Cyanide [A]daily maximumreport only (ug/L)all year002
Cyanide [A]monthly average≤ .076 lb/dall year002
Cyanide [A]daily maximumreport only (lb/d)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Outfall observation,visual, y/n responsevaluereport only (N=0;Y=1)all year002

How strict are these limits?

Cited limits by parameter: Michigan's rules and the federal ones.

Same industry: the 3 Transportation Equipment permits in Michigan.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/MI0001236 · MCP: https://passage-data.com/mcp