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Gas Production And/Or Distribution, Port Sulphur, Louisiana. NPDES permit LA0127730, in force until Apr 30, 2031. Last 12 months: over a limit 2 times (last December 2025). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | Solids, total suspended, daily maximum | 55 mg/L | ≤ 45 mg/L | 22% |
| December 2025 | Solids, total suspended, monthly average | 55 mg/L | ≤ 30 mg/L | 83% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 001 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 001 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 001 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 001 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 001 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 002 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 002 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 002 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 002 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 002 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 003 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 003 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 003 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 003 |
| Aluminum, total [as Al] | monthly average | report only (mg/L) | all year | 003 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 003 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 003 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 004 |
| pH | instantaneous minimum | ≥ 6.5 SU | all year | 004 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 004 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 004 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 004 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 004 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 004 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 004 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 004 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 005 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 005 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 005 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 005 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 005 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 005 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 006 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 006 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 006 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 006 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 007 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 007 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 007 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 007 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 007 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 007 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 008 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 008 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 009 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 009 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 101 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 101 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 101 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 101 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 101 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 101 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 101 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 101 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 102 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 102 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 102 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 102 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 102 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 102 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 102 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 102 |
| Solids, total dissolved [TDS] | monthly average | report only (mg/L) | all year | 102 |
| Solids, total dissolved [TDS] | monthly average | report only (mg/L) | all year | 102 |
| Solids, total dissolved [TDS] | daily maximum | report only (mg/L) | all year | 102 |
| Solids, total dissolved [TDS] | daily maximum | report only (mg/L) | all year | 102 |
| Solids, total suspended | daily maximum | ≤ 90 mg/L | all year | 103 |
| Solids, total suspended | daily maximum | ≤ 90 mg/L | all year | 103 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 103 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 103 |
| Lead, total [as Pb] | daily maximum | ≤ 50 ug/L | all year | 103 |
| Benzene | daily maximum | ≤ 50 ug/L | all year | 103 |
| BTEX | daily maximum | ≤ 250 ug/L | all year | 103 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 103 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 103 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 104 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 104 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 104 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 104 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 104 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 104 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 104 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 104 |
| Oxygen demand, chem. [high level] [COD] | monthly average | ≤ 200 mg/L | all year | 105 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 300 mg/L | all year | 105 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 105 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 105 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 105 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 105 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 106 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 106 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 106 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 106 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 106 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 106 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 106 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 106 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 106 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 106 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 107 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 107 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 107 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 107 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 107 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 107 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 107 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 107 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 201 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 201 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 201 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 201 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 201 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 201 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 201 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 201 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 202 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 202 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 202 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 202 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 202 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 202 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 202 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 202 |
| Solids, total dissolved [TDS] | monthly average | report only (mg/L) | all year | 202 |
| Solids, total dissolved [TDS] | monthly average | report only (mg/L) | all year | 202 |
| Solids, total dissolved [TDS] | daily maximum | report only (mg/L) | all year | 202 |
| Solids, total dissolved [TDS] | daily maximum | report only (mg/L) | all year | 202 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 301 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | all year | 301 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 301 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 301 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 301 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 301 |
| Enterococci | monthly geometric mean | ≤ 35 #/100mL | May–Oct | 301 |
| Enterococci | daily maximum | ≤ 135 #/100mL | May–Oct | 301 |
| Coliform, fecal general | monthly geometric mean | ≤ 14 #/100mL | all year | 301 |
| Coliform, fecal general | daily maximum | ≤ 43 #/100mL | all year | 301 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 303 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 303 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 303 |
| Solids, total suspended | daily maximum | ≤ 100 mg/L | all year | 303 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 303 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 303 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 303 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 303 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 303 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 303 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 401 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 401 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 401 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 401 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 401 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 401 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 401 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 401 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 402 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 402 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 402 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 402 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 402 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 402 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 402 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 402 |
| Solids, total dissolved [TDS] | monthly average | report only (mg/L) | all year | 402 |
| Solids, total dissolved [TDS] | monthly average | report only (mg/L) | all year | 402 |
| Solids, total dissolved [TDS] | daily maximum | report only (mg/L) | all year | 402 |
| Solids, total dissolved [TDS] | daily maximum | report only (mg/L) | all year | 402 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 403 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 403 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 403 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 403 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 403 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 403 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 403 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 403 |
Cited limits by parameter: Louisiana's rules and the federal ones.
Same industry: the 3 Gas Production And/Or Distribution permits in Louisiana.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/LA0127730 · MCP: https://passage-data.com/mcp