Clean Water Act discharge permit · NPDES LA0070033
TEXAS GAS TRANSMISSION, LLC - COLUMBIA COMPRESSOR STATION, Columbia, LA: NPDES LA0070033 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 4Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
TEXAS GAS TRANSMISSION, LLC - COLUMBIA COMPRESSOR STATION, held by Texas Gas Transmission, LLC - Columbia Compressor Station, holds NPDES permit LA0070033, which discharges to Ind.Slough-Old Channel-B Lafourche. EPA’s file records it issued October 23, 2015 and expiring November 30, 2020. 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 | TEXAS GAS TRANSMISSION, LLC - COLUMBIA COMPRESSOR STATION |
|---|---|
| Permittee as filed | Texas Gas Transmission, LLC - Columbia Compressor Station |
| NPDES ID | LA0070033 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | October 23, 2015 |
| Expiration date | November 30, 2020 |
| Address | Columbia, LA 71418 |
| Receiving water | IND.SLOUGH-OLD CHANNEL-B LAFOURCHE |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Bell Bayou Slough-Bayou Lafourche (HUC 080500011403) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 4Pollutants on file
- 4Under a numeric limit
- 1With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| Carbon, tot organic [TOC] | 2 | 1 | 1 | August 31, 2016 | 9% over the limit |
| pH | 4 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 0 | 0 | ||
| Oil and grease | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES LA0070033.
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
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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 LA0070033 there.
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- Every permit record in Louisiana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.