Clean Water Act discharge permit · NPDES INRM02696

SHOWA DENKO MATERIALS POWDERED METALS USA INCORPORATED, Greensburg, IN: NPDES INRM02696 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
8Pollutants under a numeric limit
0Pollutants with an effluent exceedance

SHOWA DENKO MATERIALS POWDERED METALS USA INCORPORATED, held by Showa Denko Materials Powdered Metals USA Incorporated, holds NPDES permit INRM02696, which discharges to Sand Creek. EPA’s file records it issued September 30, 2020 and expiring September 29, 2025. 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.

What the register holds for SHOWA DENKO MATERIALS POWDERED METALS USA INCORPORATED: its NPDES ID, its permit type and status, its dates, its address in Greensburg, Indiana, its receiving water, and 8 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES INRM02696.

Identity

Facility as filed	SHOWA DENKO MATERIALS POWDERED METALS USA INCORPORATED
Permittee as filed	Showa Denko Materials Powdered Metals USA Incorporated
NPDES ID	INRM02696
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Industrial stormwater
Issued	September 30, 2020
Expiration date	September 29, 2025
Issuing agency	IDEM
Address	Greensburg, IN 47240
Receiving water	Sand Creek
Subwatershed	Gas Creek-Sand Creek (HUC 051202060301)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

8Pollutants on file
8Under a numeric limit
0With 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	2	0	0
Solids, total suspended	2	0	0
Oil and grease, hexane extr method	2	0	0
Nitrogen, Kjeldahl, total [as N]	2	0	0
Nitrite + Nitrate total [as N]	2	0	0
Phosphorus, total [as P]	2	0	0
BOD, carbonaceous [5 day, 20 C]	2	0	0
Chemical Oxygen Demand [COD]	2	0	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES INRM02696.

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 INRM02696.

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, INRM02696.

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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 INRM02696 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 INRM02696 for SHOWA DENKO MATERIALS POWDERED METALS USA INCORPORATED in Greensburg, Indiana, which discharges to Sand Creek and is listed as Effective with Minor Discharger class 8. The register lists 8 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.