Clean Water Act discharge permit · NPDES INP000641

AISIN CHEMICAL INDIANA LLC, Crothersville, IN: NPDES INP000641 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
7Pollutants under a numeric limit
3Pollutants with an effluent exceedance

AISIN CHEMICAL INDIANA LLC holds NPDES permit INP000641, which discharges to Crothersville Potw. EPA’s file records it issued August 15, 2019 and expiring October 31, 2024. 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	AISIN CHEMICAL INDIANA LLC
Permittee as filed	AISIN CHEMICAL INDIANA LLC
NPDES ID	INP000641
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual industrial user permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	August 15, 2019
Expiration date	October 31, 2024
Issuing agency	IDEM
Address	Crothersville, IN 47229
Receiving water	CROTHERSVILLE POTW
SIC	3554 – Paper Industries Machinery
Other EPA IDs (FRS)	RCRA handler INR000144626; ICIS-AIR source IN0000001807100047

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
7Under a numeric limit
7With 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
Zinc, total recoverable	2	10	6	November 30, 2022	200% over the limit
Solids, total suspended	2	4	1	October 31, 2017	82% over the limit
BOD, carbonaceous [5 day, 20 C]	2	4	1	February 28, 2022	100% over the limit
Aluminum, total recoverable	2	3	0
pH	2	2	0
Oil and grease, hexane extr method	2	2	0
Flow, in conduit or thru treatment plant	2	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 INP000641.

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, INP000641.

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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 INP000641 there.

Nearby on the register

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

This public-records page covers NPDES permit INP000641, held by AISIN CHEMICAL INDIANA LLC in Crothersville, IN, which discharges to Crothersville POTW and is administratively continued past its October 31, 2024 expiration. The page lists a permit status of Minor Discharger class 7, with 3 pollutants under a numeric limit and 3 pollutants with an effluent exceedance.