Clean Water Act discharge permit · NPDES LA0075833
IMTT - ST.ROSE, Saint Rose, LA: NPDES LA0075833 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 137Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
IMTT - ST.ROSE, held by INTERNATIONAL MATEX TANK TERMINALS LLC, holds NPDES permit LA0075833, which discharges to Lake Pontchartrain. EPA’s file records it issued August 30, 2017 and expiring September 30, 2022. 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.
Identity
| Facility as filed | IMTT - ST.ROSE |
|---|---|
| Permittee as filed | INTERNATIONAL MATEX TANK TERMINALS LLC |
| NPDES ID | LA0075833 |
| 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 30, 2017 |
| Expiration date | September 30, 2022 |
| Address | Saint Rose, LA 70087 |
| Receiving water | LAKE PONTCHARTRAIN |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Mississippi River-Bonnet Carre Spillway (HUC 080901000101) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 137Pollutants on file
- 137Under a numeric limit
- 15With 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; the 60 with the most exceedances of 137 are shown.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Solids, total suspended | 27 | 49 | 40 | June 30, 2020 | 5,200% over the limit |
| Coliform, fecal general | 22 | 41 | 39 | June 30, 2020 | 99,999% over the limit |
| BOD, 5-day, 20 deg. C | 22 | 46 | 22 | June 30, 2021 | 1,060% over the limit |
| Oxygen demand, chem. [high level] [COD] | 3 | 44 | 4 | February 28, 2022 | 884% over the limit |
| Oil and grease | 8 | 2 | 1 | April 30, 2016 | 21% over the limit |
| Carbon, tot organic [TOC] | 6 | 11 | 0 | ||
| Flow, in conduit or thru treatment plant | 40 | 10 | 0 | ||
| pH | 18 | 8 | 0 | ||
| Benzene | 8 | 4 | 0 | ||
| BTEX | 8 | 4 | 0 | ||
| Lead, total [as Pb] | 9 | 3 | 0 | ||
| Ethylbenzene | 7 | 2 | 0 | ||
| Chloride [as Cl] | 2 | 2 | 0 | ||
| Toluene | 7 | 1 | 0 | ||
| Xylene [mix of m+o+p] | 7 | 1 | 0 | ||
| Cyanide, total [as CN] | 7 | 0 | 0 | ||
| Arsenic, total [as As] | 7 | 0 | 0 | ||
| Beryllium, total [as Be] | 7 | 0 | 0 | ||
| Cadmium, total [as Cd] | 7 | 0 | 0 | ||
| Chromium, total [as Cr] | 7 | 0 | 0 | ||
| Copper, total [as Cu] | 7 | 0 | 0 | ||
| Thallium, total [as Tl] | 7 | 0 | 0 | ||
| Nickel, total [as Ni] | 7 | 0 | 0 | ||
| Silver, total [as Ag] | 7 | 0 | 0 | ||
| Zinc, total [as Zn] | 7 | 0 | 0 | ||
| Antimony, total [as Sb] | 7 | 0 | 0 | ||
| Selenium, total [as Se] | 7 | 0 | 0 | ||
| Dichlorobromomethane | 7 | 0 | 0 | ||
| Carbon tetrachloride | 7 | 0 | 0 | ||
| 1,2-Dichloroethane | 7 | 0 | 0 | ||
| Bromoform | 7 | 0 | 0 | ||
| Chloroform | 7 | 0 | 0 | ||
| Phenolics, total recoverable | 7 | 0 | 0 | ||
| .delta.-BHC | 7 | 0 | 0 | ||
| Acenaphthylene | 7 | 0 | 0 | ||
| Acenaphthene | 7 | 0 | 0 | ||
| Acrolein | 7 | 0 | 0 | ||
| Acrylonitrile | 7 | 0 | 0 | ||
| Anthracene | 7 | 0 | 0 | ||
| Benzo[b]fluoranthene | 7 | 0 | 0 | ||
| Benzo[k]fluoranthene | 7 | 0 | 0 | ||
| Benzo[a]pyrene | 7 | 0 | 0 | ||
| Bis[2-chloroethyl] ether | 7 | 0 | 0 | ||
| Bis[2-chloroethoxy]methane | 7 | 0 | 0 | ||
| Bis[2-chloroisopropyl] ether | 7 | 0 | 0 | ||
| Butyl benzyl phthalate | 7 | 0 | 0 | ||
| Chlorobenzene | 7 | 0 | 0 | ||
| Chrysene | 7 | 0 | 0 | ||
| Diethyl phthalate | 7 | 0 | 0 | ||
| Dimethyl phthalate | 7 | 0 | 0 | ||
| 1,2-Diphenylhydrazine | 7 | 0 | 0 | ||
| Endosulfan sulfate | 7 | 0 | 0 | ||
| .beta.-Endosulfan | 7 | 0 | 0 | ||
| .alpha.-Endosulfan | 7 | 0 | 0 | ||
| Endrin aldehyde | 7 | 0 | 0 | ||
| Fluoranthene | 7 | 0 | 0 | ||
| Fluorene | 7 | 0 | 0 | ||
| Hexachlorocyclopentadiene | 7 | 0 | 0 | ||
| Hexachlorobutadiene | 7 | 0 | 0 | ||
| Hexachloroethane | 7 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES LA0075833.
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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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.