Clean Water Act discharge permit · NPDES INRM00973

THERMA TRU CORPORATION, Butler, IN: NPDES INRM00973 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

THERMA TRU CORPORATION, held by Therma Tru Corporation, holds NPDES permit INRM00973. EPA’s file records it issued May 28, 2014 and expiring May 27, 2019. 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	THERMA TRU CORPORATION
Permittee as filed	Therma Tru Corporation
NPDES ID	INRM00973
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
Program	Industrial stormwater
Issued	May 28, 2014
Expiration date	May 27, 2019
Issuing agency	IDEM
Address	Butler, IN 46721
Subwatershed	Big Run (HUC 041000030502)
NAICS	332321 – Metal Window and Door Manufacturing
SIC	3442 – Metal Doors, Sash, And Trim
Other EPA IDs (FRS)	RCRA handler IND980996680; ICIS-AIR source IN0000001803300019

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

8Pollutants on file
0Under a numeric limit
8With a violation of any kind
0With 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
pH	0	6	0
Solids, total suspended	0	6	0
Oil and grease, hexane extr method	0	6	0
Nitrogen, Kjeldahl, total [as N]	0	6	0
Nitrite + Nitrate total [as N]	0	6	0
Phosphorus, total [as P]	0	6	0
BOD, carbonaceous [5 day, 20 C]	0	6	0
Chemical Oxygen Demand [COD]	0	6	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES INRM00973.

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 INRM00973.

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

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, INRM00973.

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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 INRM00973 there.

Nearby on the register

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

Among the 27 storm water industrial permits in DeKalb County, this one, filed as THERMA TRU CORPORATION, is one of 27 on the register, and 11.1% of those permits carry an earlier issue date. The permit sits within the Big Run subwatershed, which holds 17 NPDES permits including this one, and it records no pollutants under a numeric limit and no effluent exceedances.