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Clean Water Act discharge permit · NPDES IN0000485

NORFOLK SOUTHERN CORPORATION - FT. WAYNE YARD, Fort Wayne, IN: NPDES IN0000485 discharge permit, effluent exceedances, inspections, penalties

NORFOLK SOUTHERN CORPORATION - FT. WAYNE YARD, held by NORFOLK SOUTHERN RAILWAY CO. - FT. WAYNE YARD, holds NPDES permit IN0000485, which discharges to Maumee R Via Trier Ditch. EPA’s file records it issued October 21, 2016 and expiring November 30, 2021.

NORFOLK SOUTHERN CORPORATION - FT. WAYNE YARD, Fort Wayne, Indiana: Individual permit IN0000485, held by NORFOLK SOUTHERN RAILWAY CO. - FT. WAYNE YARD; Administratively continued (past its expiration date and still in force until reissued); issued October 21, 2016, term to November 30, 2021, by IDEM; discharges to MAUMEE R VIA TRIER DITCH.

  • Solids, total suspended: 6 limits, 67 violations of any kind, 47 effluent exceedances, latest January 31, 2026, largest 1,400% over the limit.
  • Naphthalene: 1 limit, 7 violations of any kind, 4 effluent exceedances, latest July 31, 2018, largest 49,900% over the limit.
  • Oil and grease, hexane extr method: 6 limits, 8 violations of any kind, 2 effluent exceedances, latest July 31, 2018, largest 784% over the limit.
  • Flow, in conduit or thru treatment plant: 6 limits, 18 violations of any kind, 0 effluent exceedances.
  • pH: 6 limits, 16 violations of any kind, 0 effluent exceedances.
  • Oil & Grease: 0 limits, 10 violations of any kind, 0 effluent exceedances.
  • Flow, total: 1 limit, 7 violations of any kind, 0 effluent exceedances.
  • Chemical Oxygen Demand [COD]: 4 limits, 4 violations of any kind, 0 effluent exceedances.
  • Benzene, ethylbenzene, toluene, xylene combination: 6 limits, 3 violations of any kind, 0 effluent exceedances.
  • February 24, 2026: Evaluation (S).
  • February 24, 2026: Evaluation (S).

NORFOLK SOUTHERN CORPORATION - FT. WAYNE YARD among its neighbors

EPA’s permit file holds 46 discharge permits in the Trier Ditch subwatershed (HUC 041000050101), IN0000485 among them. Its county holds 173, 4 of them major permits; IN0000485 is a minor permit.

Other permits in the Trier Ditch subwatershed (HUC 041000050101)

Identity

Facility as filedNORFOLK SOUTHERN CORPORATION - FT. WAYNE YARD
Permittee as filedNORFOLK SOUTHERN RAILWAY CO. - FT. WAYNE YARD
NPDES IDIN0000485
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedOctober 21, 2016
Expiration dateNovember 30, 2021
Issuing agencyIDEM
AddressFort Wayne, IN 46803
Receiving waterMAUMEE R VIA TRIER DITCH
Receiving water impaired303(D) Listed
SubwatershedTrier Ditch (HUC 041000050101)
Other EPA IDs (FRS)RCRA handler IND985063429

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
Solids, total suspended66747January 31, 20261,400% over the limit
Naphthalene174July 31, 201849,900% over the limit
Oil and grease, hexane extr method682July 31, 2018784% over the limit
Flow, in conduit or thru treatment plant6180
pH6160
Oil & Grease0100
Flow, total170
Chemical Oxygen Demand [COD]440
Benzene, ethylbenzene, toluene, xylene combination630

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES IN0000485.

Inspections

DateWhat EPA recordedAgency
February 24, 2026EvaluationS
February 24, 2026EvaluationS

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES IN0000485.

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Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act NPDES permit IN0000485, held by Norfolk Southern Railway Co. - Ft. Wayne Yard and discharging to the Maumee R via Trier Ditch, with the permit listed as administratively continued and a minor discharger class. The page lists 8 pollutants under a numeric limit and 3 pollutants with an effluent exceedance, and the permit's issue and expiration dates are given as October 21, 2016 and November 30, 2021.