Clean Water Act discharge permit · NPDES IN0046761

TOWER INTERNATIONAL AUBURN INDIANA, Auburn, IN: NPDES IN0046761 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
6Pollutants under a numeric limit
4Pollutants with an effluent exceedance

TOWER INTERNATIONAL AUBURN INDIANA holds NPDES permit IN0046761, which discharges to Cedar Cr Via Grandstaff Ditch. EPA’s file records it issued March 12, 2020 and expiring April 30, 2025. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	TOWER INTERNATIONAL AUBURN INDIANA
Permittee as filed	TOWER INTERNATIONAL AUBURN INDIANA
NPDES ID	IN0046761
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	March 12, 2020
Expiration date	April 30, 2025
Issuing agency	IDEM
Address	Auburn, IN 46706
Receiving water	CEDAR CR VIA GRANDSTAFF DITCH
Subwatershed	Peckhart Ditch-John Diehl Ditch (HUC 041000030702)
NAICS	336370 – Motor Vehicle Metal Stamping
SIC	3465 – Automotive Stampings
Other EPA IDs (FRS)	RCRA handler IND984866814

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

7Pollutants on file
6Under a numeric limit
7With a violation of any kind
4With 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
Temperature, water deg. fahrenheit	14	71	53	February 28, 2014	60% over the limit
Oil & Grease	0	17	5	May 31, 2001	100% over the limit
Chlorine, total residual	2	15	5	March 31, 2021	0% over the limit
pH	2	33	1	May 31, 2001
Flow, in conduit or thru treatment plant	2	39	0
Flow, total	1	14	0
Oil and grease, hexane extr method	1	2	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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES IN0046761.

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.

Watch this permit

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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 IN0046761 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

This public-records page covers Clean Water Act NPDES discharge permit IN0046761, held by TOWER INTERNATIONAL AUBURN INDIANA in Auburn, IN, which discharges to Cedar Cr via Grandstaff Ditch within subwatershed HUC 041000030702. The page lists a Minor discharger class, 6 pollutants under a numeric limit, and 4 pollutants with an effluent exceedance, and it reports the permit as administratively continued.