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Clean Water Act discharge permit · NPDES INRM00405

BLOCKSOM & COMPANY, Michigan City, IN: NPDES INRM00405 discharge permit, effluent exceedances, inspections, penalties

BLOCKSOM & COMPANY, held by Blocksom & Company, holds NPDES permit INRM00405, which discharges to Trail Creek. EPA’s file records it issued August 23, 2018 and expiring August 22, 2023. 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 BLOCKSOM & COMPANY: its NPDES ID, its permit type and status, its dates, its address in Michigan City, Indiana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES INRM00405.

Identity

Facility as filedBLOCKSOM & COMPANY
Permittee as filedBlocksom & Company
NPDES IDINRM00405
Permit statusEffective
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedAugust 23, 2018
Expiration dateAugust 22, 2023
Issuing agencyIDEM
AddressMichigan City, IN 46360
Receiving waterTrail Creek
Receiving water impaired303(D) Listed
SubwatershedTrail Creek (HUC 040400010105)

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

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES INRM00405.

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 INRM00405.

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, INRM00405.

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 INRM00405 there.

Nearby on the register

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