Clean Water Act discharge permit · NPDES OKP003019
TRINITYRAIL MAINTENANCE SERVICES, INC., Hugo, OK: NPDES OKP003019 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 20Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
TRINITYRAIL MAINTENANCE SERVICES, INC., held by TrinityRail Maintenance Services, Inc., holds NPDES permit OKP003019, which discharges to Hugo, City Of - Potw. EPA’s file records it issued July 11, 2014 and expiring July 31, 2019. 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 | TRINITYRAIL MAINTENANCE SERVICES, INC. |
|---|---|
| Permittee as filed | TrinityRail Maintenance Services, Inc. |
| NPDES ID | OKP003019 |
| 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 | July 11, 2014 |
| Expiration date | July 31, 2019 |
| Issuing agency | ODEQ |
| Address | Hugo, OK 74743 |
| Receiving water | Hugo, City of - POTW |
| SIC | 4789 – Transportation Services |
| Other EPA IDs (FRS) | RCRA handler OKD082708371 |
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
- 21Pollutants on file
- 20Under a numeric limit
- 21With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| Oil & grease, non-polar material | 1 | 89 | 14 | February 28, 2019 | 485% over the limit |
| Fluoranthene | 1 | 88 | 13 | February 29, 2016 | 163% over the limit |
| pH | 2 | 94 | 2 | October 31, 2014 | |
| Phenanthrene | 1 | 76 | 1 | September 30, 2019 | 99,999% over the limit |
| Oil and grease, hexane extr method | 1 | 135 | 0 | ||
| Oxygen demand, chem. [high level] [COD] | 1 | 129 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 90 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 16 | 0 | ||
| Phthalate esters | 1 | 16 | 0 | ||
| .gamma.-BHC | 1 | 16 | 0 | ||
| Solids, total dissolved [TDS] | 1 | 16 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 14 | 0 | ||
| Sulfate | 1 | 14 | 0 | ||
| Chromium, total [as Cr] | 1 | 13 | 0 | ||
| Copper, total [as Cu] | 1 | 13 | 0 | ||
| Lead, total [as Pb] | 1 | 13 | 0 | ||
| Nickel, total [as Ni] | 1 | 13 | 0 | ||
| Zinc, total [as Zn] | 1 | 13 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 1 | 11 | 0 | ||
| Chemical Oxygen Demand [COD] | 0 | 6 | 0 | ||
| BOD, 5-day, 20 deg. C | 1 | 4 | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| October 5, 2020 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| May 5, 2019 | Permit Violations - Violation Specified in Comment | 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 OKP003019 there.
Nearby on the register
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- Every permit record in Hugo, A to Z
- Discharge permits in Oklahoma
- Every permit record in Oklahoma, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.