Clean Water Act discharge permit · NPDES MIS211264

OERLIKON METCO (US) INC-PLYMOUTH, Plymouth, MI: NPDES MIS211264 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance
0Inspections on file
0Formal enforcement actions

OERLIKON METCO (US) INC-PLYMOUTH, held by Oerlikon Metco (US) Inc., holds NPDES permit MIS211264. EPA’s file records it issued April 16, 2025 and expiring April 1, 2027.

OERLIKON METCO (US) INC-PLYMOUTH, Plymouth, Michigan: Coverage under a general permit MIS211264, held by Oerlikon Metco (US) Inc.; Effective; issued April 16, 2025, term to April 1, 2027, by State.

OERLIKON METCO (US) INC-PLYMOUTH among its neighbors

EPA’s permit file holds 27 discharge permits in the Wolfrom Drain-Bell Branch subwatershed (HUC 040900040101), MIS211264 among them.

Other permits in the Wolfrom Drain-Bell Branch subwatershed (HUC 040900040101)

AMANDA MANUFACTURING, Livonia: MIS211220, minor permit, permit term to April 1, 2027
AMAZON.COM SERVICES LCC - DET1, Livonia: MIS211156, minor permit, permit term to April 1, 2022
ATLAS TUBE - ZEKELMAN INDUSTRIES, Plymouth: MIS210958, minor permit, discharging to Middle River Rouge, permit term to March 31, 2027
BASF CORP-LIVONIA, Livonia: MIS210296, minor permit, discharging to Barlow Drain, permit term to March 31, 2027
BEAVER AEROSPACE-11825, Livonia: MIS210996, minor permit, permit term to April 1, 2027
FEDERAL EXPRESS - ZDET, Livonia: MIS211054, minor permit, discharging to Newburgh Lake, permit term to April 1, 2022
FORD-LIVONIA-TRANSMISSION PLT, Livonia: MIS210444, minor permit, discharging to Middle River Rouge, permit term to March 31, 2027
INTERNATIONAL EXTRUSIONS, Livonia: MIS211262, minor permit, permit term to April 1, 2027
LIVONIA PS MS4-WAYNE, Livonia: MI0060044, minor permit, permit term to October 1, 2022
MACLEAN-MASTER-EAST, Plymouth: MIS211224, minor permit, permit term to April 1, 2027

What the register holds for OERLIKON METCO (US) INC-PLYMOUTH: its NPDES ID, its permit type and status, its dates, its address in Plymouth, Michigan. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MIS211264.

Identity

Facility as filed	OERLIKON METCO (US) INC-PLYMOUTH
Permittee as filed	Oerlikon Metco (US) Inc.
NPDES ID	MIS211264
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	April 16, 2025
Expiration date	April 1, 2027
Issuing agency	State
Address	Plymouth, MI 48170
Receiving water impaired	303(D) Listed
Subwatershed	Wolfrom Drain-Bell Branch (HUC 040900040101)

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES MIS211264.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MIS211264.

Inspections

EPA’s inspection file holds no inspection for NPDES MIS211264.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES MIS211264.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MIS211264.

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Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

Of the 11 general permit coverages in Plymouth, including OERLIKON METCO (US) INC-PLYMOUTH, 90.9% were issued before this permit. Of those 11 Plymouth coverages, 18.2% have a violation on record. The Wolfrom Drain-Bell Branch subwatershed (HUC 040900040101) holds 27 NPDES permits, including this permit.