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Clean Water Act discharge permit · NPDES INP000283

MERITOR HEAVY VEHICLE SYSTEMS, LLC, Plainfield, IN: NPDES INP000283 discharge permit, effluent exceedances, inspections, penalties

MERITOR HEAVY VEHICLE SYSTEMS, LLC holds NPDES permit INP000283, which discharges to Plainfield Stp. EPA’s file records it issued September 13, 2018 and expiring January 31, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedMERITOR HEAVY VEHICLE SYSTEMS, LLC
Permittee as filedMERITOR HEAVY VEHICLE SYSTEMS, LLC
NPDES IDINP000283
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual industrial user permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedSeptember 13, 2018
Expiration dateJanuary 31, 2024
Issuing agencyIDEM
AddressPlainfield, IN 46168
Receiving waterPLAINFIELD STP

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

Effluent limits and exceedances

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
pH21616February 28, 2026
Zinc, total recoverable233July 31, 2019666% over the limit
Cyanide, total [as CN]4100
Total toxic organics [TTO] [40 CFR469]260
Silver total recoverable210
Cadmium, total recoverable210
Lead, total recoverable210
Chromium, total recoverable210
Nickel, total recoverable200
Copper, total recoverable200
Flow, in conduit or thru treatment plant200

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES INP000283.

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, INP000283.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

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 INP000283 there.

Nearby on the register

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