Clean Water Act discharge permit · NPDES MS0051021
SOUTHERN NATURAL GAS CO LLC, LOUISVILLE COMPRESSOR STATION, Louisville, MS: NPDES MS0051021 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
SOUTHERN NATURAL GAS CO LLC, LOUISVILLE COMPRESSOR STATION holds NPDES permit MS0051021, which discharges to Pearl River Basin. EPA’s file records it issued October 9, 2019 and expiring September 30, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | SOUTHERN NATURAL GAS CO LLC, LOUISVILLE COMPRESSOR STATION |
|---|---|
| Permittee as filed | SOUTHERN NATURAL GAS CO LLC, LOUISVILLE COMPRESSOR STATION |
| NPDES ID | MS0051021 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | October 9, 2019 |
| Expiration date | September 30, 2024 |
| Issuing agency | MDEQ |
| Address | Louisville, MS 39339 |
| Receiving water | PEARL RIVER BASIN |
| Subwatershed | Hughes Creek (HUC 031800010103) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 12Pollutants on file
- 5Under a numeric limit
- 8With 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 |
|---|---|---|---|---|---|
| Oil & Grease | 2 | 2 | 2 | December 31, 2016 | 63% over the limit |
| PCB-1016 | 0 | 1 | 0 | ||
| PCB-1221 | 0 | 1 | 0 | ||
| PCB-1232 | 0 | 1 | 0 | ||
| PCB-1242 | 0 | 1 | 0 | ||
| PCB-1248 | 0 | 1 | 0 | ||
| PCB-1254 | 0 | 1 | 0 | ||
| PCB-1260 | 0 | 1 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Solids, total suspended | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 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 MS0051021.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MS0051021.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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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 MS0051021 there.
Nearby on the register
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- Discharge permits in Mississippi
- Every permit record in Mississippi, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.