Clean Water Act discharge permit · NPDES MO0139424

TNEMEC NKC MFG PLANT, North Kansas City, MO: NPDES MO0139424 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
9Pollutants under a numeric limit
0Pollutants with an effluent exceedance

TNEMEC NKC MFG PLANT, held by Tnemec Company, Inc., holds NPDES permit MO0139424, which discharges to Missouri River. EPA’s file records it issued June 1, 2020 and expiring June 30, 2024. 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.

Identity

Facility as filed	TNEMEC NKC MFG PLANT
Permittee as filed	Tnemec Company, Inc.
NPDES ID	MO0139424
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	June 1, 2020
Expiration date	June 30, 2024
Address	North Kansas City, MO 64116
Receiving water	Missouri River
Subwatershed	Buckeye Creek-Missouri River (HUC 103001010301)
Other EPA IDs (FRS)	RCRA handler MOD007121841; ICIS-AIR source MO0000002904700075

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

9Pollutants on file
9Under 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
Temperature, water deg. fahrenheit	2	0	0
pH	2	0	0
Solids, total suspended	2	0	0
Nitrogen, ammonia total [as N]	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
Iron, total recoverable	2	0	0
Flow, in conduit or thru treatment plant	2	0	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MO0139424.

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

1Single-event violations

Date	What EPA recorded	Agency
February 5, 2026	Management Practice Violations - Improper Operation and Maintenance	ST6

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.

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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 MO0139424 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This public-records page covers NPDES permit MO0139424 for the TNEMEC NKC MFG PLANT in North Kansas City, MO, held by Tnemec Company, Inc., with industrial stormwater as the listed program and the Missouri River as the receiving water. The page lists the permit as administratively continued, a minor discharger class, with 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.