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Natural Gas Liquids, Centerville, Louisiana. NPDES permit LA0107417, in force until Nov 30, 2026. 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 | 53.6 mg/L | ≤ 45 mg/L | 19% |
| December 2025 | Solids, total suspended, monthly average | 53.6 mg/L | ≤ 30 mg/L | 79% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | all year | 001 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 45 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 | daily maximum | report only (MGD) | all year | 001 |
| Coliform, fecal general | monthly average | ≤ 200 #/100mL | all year | 001 |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | all year | 001 |
| pH | instantaneous minimum | ≥ 6 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 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 |
| 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 SU | all year | 004 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 004 |
| Solids, total suspended | daily maximum | ≤ 90 mg/L | all year | 004 |
| Solids, total suspended | daily maximum | ≤ 90 mg/L | all year | 004 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 004 |
| Lead, total [as Pb] | daily maximum | ≤ 50 ug/L | all year | 004 |
| Oil and grease | daily maximum | ≤ 15 mg/L | all year | 004 |
| Benzene | daily maximum | ≤ 50 ug/L | all year | 004 |
| BTEX | daily maximum | ≤ 250 ug/L | all year | 004 |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/d) | all year | 004 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/d) | 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 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 102 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 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 |
| 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 |
| Coliform, fecal general | monthly average | ≤ 200 #/100mL | all year | 102 |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | all year | 102 |
Cited limits by parameter: Louisiana's rules and the federal ones.
Same industry: the 56 Oil and Gas Extraction 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/LA0107417 · MCP: https://passage-data.com/mcp