Clean Water Act discharge permit · NPDES LA0065048
TT 104, LLC, Westwego, LA: NPDES LA0065048 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 22Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
TT 104, LLC, held by T.T. COATINGS INC., holds NPDES permit LA0065048. EPA’s file records it issued August 31, 2017 and expiring October 31, 2022. 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 | TT 104, LLC |
|---|---|
| Permittee as filed | T.T. COATINGS INC. |
| NPDES ID | LA0065048 |
| 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 |
| Issued | August 31, 2017 |
| Expiration date | October 31, 2022 |
| Address | Westwego, LA 70094 |
| Subwatershed | Mississippi River-Bonnet Carre Spillway (HUC 080901000101) |
| SIC | 3731 – Ship Building And Repairing |
| Other EPA IDs (FRS) | RCRA handler LAD980810840 |
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
- 24Pollutants on file
- 22Under a numeric limit
- 12With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 6 | 20 | 13 | October 31, 2025 | 233% over the limit |
| BOD, 5-day, 20 deg. C | 6 | 19 | 12 | June 30, 2025 | 142% over the limit |
| pH | 22 | 22 | 2 | July 31, 2020 | |
| Coliform, fecal general | 2 | 9 | 2 | June 30, 2021 | 105% over the limit |
| Mercury, total [as Hg] | 2 | 2 | 2 | August 31, 2023 | 646% over the limit |
| Flow, in conduit or thru treatment plant | 18 | 18 | 0 | ||
| Oil & Grease | 8 | 6 | 0 | ||
| Carbon, tot organic [TOC] | 4 | 6 | 0 | ||
| Oxygen demand, chem. [high level] [COD] | 4 | 4 | 0 | ||
| Nitrogen, total [as N] | 0 | 2 | 0 | ||
| Phosphorus, total [as P] | 0 | 2 | 0 | ||
| Oil and grease | 2 | 1 | 0 | ||
| Cadmium, total [as Cd] | 2 | 0 | 0 | ||
| Chromium, total [as Cr] | 2 | 0 | 0 | ||
| Copper, total [as Cu] | 2 | 0 | 0 | ||
| Lead, total [as Pb] | 2 | 0 | 0 | ||
| Nickel, total [as Ni] | 2 | 0 | 0 | ||
| Zinc, total [as Zn] | 2 | 0 | 0 | ||
| Toluene | 2 | 0 | 0 | ||
| Benzene | 2 | 0 | 0 | ||
| Ethylbenzene | 2 | 0 | 0 | ||
| Naphthalene | 2 | 0 | 0 | ||
| Xylene [mix of m+o+p] | 2 | 0 | 0 | ||
| Oil and grease visual | 2 | 0 | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 30, 2018 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| March 16, 2018 | Management Practice Violations - Failure to Implement SPCC Plan | ST6 |
| June 30, 2017 | Reporting Violations - Improper/ Incorrect Reporting | 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 LA0065048 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.