Clean Water Act discharge permit · NPDES MI0057004

CERTAINTEED MANUFACTURING-L'ANSE, L'Anse, MI: NPDES MI0057004 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
5Pollutants under a numeric limit
3Pollutants with an effluent exceedance

CERTAINTEED MANUFACTURING-L'ANSE, held by CertainTeed Ceilings Corporation, holds NPDES permit MI0057004, which discharges to Lake Superior. EPA’s file records it issued June 24, 2014 and expiring October 1, 2017. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	CERTAINTEED MANUFACTURING-L'ANSE
Permittee as filed	CertainTeed Ceilings Corporation
NPDES ID	MI0057004
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	June 24, 2014
Expiration date	October 1, 2017
Issuing agency	State
Address	L'Anse, MI 49946
Receiving water	Lake Superior
Subwatershed	Little Carp River-Frontal Keweenaw Bay (HUC 040201050601)
Other EPA IDs (FRS)	RCRA handler MID006129332; ICIS-AIR source MI00000000000B1479

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

6Pollutants on file
5Under a numeric limit
6With a violation of any kind
3With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Oil & Grease	1	28	6	April 30, 2004	87% over the limit
pH	2	137	3	July 31, 2020
Chlorine, total residual	0	6	1	March 31, 2003	56% over the limit
Temperature, water deg. fahrenheit	4	169	0
Flow, in conduit or thru treatment plant	2	138	0
Outfall observation,visual, y/n response	1	70	0

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

3Single-event violations

Date	What EPA recorded	Agency
December 21, 2020	Reporting Violations - Late Submittal of DMRs	ST6
October 21, 2020	Reporting Violations - Late Submittal of DMRs	ST6
April 21, 2017	Monitoring Violations - Improper Analysis or Lab Error	ST6

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID MI0057004 there.

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES MI0057004 for CERTAINTEED MANUFACTURING-L'ANSE in L'Anse, MI, held by CertainTeed Ceilings Corporation and discharging to Lake Superior, with permit status listed as administratively continued. The facts list 5 as the discharger class, 3 pollutants under a numeric limit, and 3 pollutants with an effluent exceedance.