Velarion Records

Clean Water Act discharge permit · NPDES MS0051322

SOUTHERN NATURAL GAS CO LLC, Cary, MS: NPDES MS0051322 discharge permit, effluent exceedances, inspections, penalties

SOUTHERN NATURAL GAS CO LLC, held by SOUTHERN NATURAL GAS CO, ONWARD COMPRESSOR STATION, holds NPDES permit MS0051322, which discharges to Deer Creek. EPA’s file records it issued June 14, 2007 and expiring May 31, 2012. 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.

What the register holds for SOUTHERN NATURAL GAS CO LLC: its NPDES ID, its permit type and status, its dates, its address in Cary, Mississippi, its receiving water, and 14 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MS0051322.

Identity

Facility as filedSOUTHERN NATURAL GAS CO LLC
Permittee as filedSOUTHERN NATURAL GAS CO, ONWARD COMPRESSOR STATION
NPDES IDMS0051322
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 14, 2007
Expiration dateMay 31, 2012
AddressCary, MS 39054
Receiving waterDEER CREEK
NAICS486210 – Pipeline Transportation of Natural Gas
SIC4922 – Natural Gas Transmission
Other EPA IDs (FRS)RCRA handler MSD985981182; ICIS-AIR source MS0000002812500022

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

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 measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
BOD, 5-day, 20 deg. C200
pH200
Solids, total suspended200
Oil & Grease200
Nitrogen, ammonia total [as N]200
Flow, in conduit or thru treatment plant200
Oxygen, dissolved [DO]100
PCB-1016100
PCB-1221100
PCB-1232100
PCB-1242100
PCB-1248100
PCB-1254100
PCB-1260100

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MS0051322.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES MS0051322.

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

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, MS0051322.

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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 MS0051322 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

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