Clean Water Act discharge permit · NPDES INP000290

MPI INTERNATIONAL LLC, Knox, IN: NPDES INP000290 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
11Pollutants under a numeric limit
1Pollutants with an effluent exceedance

MPI INTERNATIONAL LLC, held by MPI PRODUCTS LLC, holds NPDES permit INP000290, which discharges to City Of Knox Potw (Yellow River). EPA’s file records it issued November 26, 2014 and expiring February 29, 2020. 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	MPI INTERNATIONAL LLC
Permittee as filed	MPI PRODUCTS LLC
NPDES ID	INP000290
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	November 26, 2014
Expiration date	February 29, 2020
Issuing agency	IDEM
Address	Knox, IN 46534
Receiving water	CITY OF KNOX POTW (YELLOW RIVER)
SIC	3714 – Motor Vehicle Parts And Accessories
Other EPA IDs (FRS)	RCRA handler IND985062181

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

11Pollutants on file
11Under a numeric limit
6With a violation of any kind
1With 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	7	3	January 31, 2012	78% over the limit
pH	2	4	0
Nickel, total recoverable	2	4	0
Chromium, total recoverable	2	4	0
Copper, total recoverable	2	4	0
Flow, in conduit or thru treatment plant	2	4	0
Cyanide, total [as CN]	2	0	0
Silver total recoverable	2	0	0
Cadmium, total recoverable	2	0	0
Lead, total recoverable	2	0	0
Total toxic organics [TTO] [40 CFR433]	1	0	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 INP000290.

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, INP000290.

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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 INP000290 there.

Nearby on the register

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

This public-records page covers NPDES permit INP000290, held by MPI PRODUCTS LLC for MPI INTERNATIONAL LLC in Knox, IN, which discharges to the City Of Knox Potw (Yellow River). The page lists a permit status of administratively continued, a discharger class of 11 minor, 11 pollutants under a numeric limit, and 1 pollutant with an effluent exceedance.