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Refuse Systems, Welsh, Louisiana. NPDES permit LA0076660, in force until Oct 31, 2029. Last 12 months: over a limit 19 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Outfall | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|---|
| December 2025 | 001 | Aldrin, daily maximum | < .000015 mg/L | ≤ .000002 mg/L | 650% |
| December 2025 | 001 | Aldrin, monthly average | < .000015 mg/L | ≤ .000001 mg/L | 1400% |
| December 2025 | 001 | Chlordane, daily maximum | < .00028 mg/L | ≤ .000001 mg/L | 27900% |
| December 2025 | 001 | Chlordane, monthly average | < .00028 mg/L | ≤ .0000005 mg/L | 55900% |
| December 2025 | 005 | Coliform, fecal general, daily maximum | > 2000 #/100mL | ≤ 400 #/100mL | — |
| December 2025 | 005 | Coliform, fecal general, monthly geometric mean | > 2000 #/100mL | ≤ 200 #/100mL | — |
| December 2025 | 006 | Benzoic acids, total, monthly average | < .072 mg/L | ≤ .071 mg/L | 1% |
| December 2025 | 006 | Solids, total suspended, 7-day average | 230 mg/L | ≤ 27 mg/L | 752% |
| December 2025 | 006 | Solids, total suspended, daily maximum | 230 mg/L | ≤ 88 mg/L | 161% |
| December 2025 | 006 | Zinc, total [as Zn], monthly average | .12 mg/L | ≤ .11 mg/L | 9% |
| January 2026 | 001 | Solids, total suspended, monthly average | 48 mg/L | ≤ 27 mg/L | 78% |
| June 2026 | 001 | Benzoic acids, total, monthly average | < .072 mg/L | ≤ .071 mg/L | 1% |
| June 2026 | 001 | Solids, total suspended, daily maximum | 850 mg/L | ≤ 88 mg/L | 866% |
| June 2026 | 001 | Solids, total suspended, monthly average | 139.43 mg/L | ≤ 27 mg/L | 416% |
| June 2026 | 005 | Coliform, fecal general, daily maximum | > 2000 #/100mL | ≤ 400 #/100mL | — |
| June 2026 | 005 | Coliform, fecal general, monthly geometric mean | > 2000 #/100mL | ≤ 200 #/100mL | — |
| June 2026 | 006 | .alpha.-Terpineol, daily maximum | < .04 mg/L | ≤ .033 mg/L | 21% |
| June 2026 | 006 | .alpha.-Terpineol, monthly average | < .04 mg/L | ≤ .016 mg/L | 150% |
| June 2026 | 006 | Benzoic acids, total, monthly average | < .082 mg/L | ≤ .071 mg/L | 15% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | minimum | report only (mg/L) | all year | 001 |
| Oxygen, dissolved [DO] | minimum | report only (mg/L) | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 37 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 37 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 140 mg/L | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 140 mg/L | all year | 001 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 001 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 001 |
| Solids, total suspended | monthly average | ≤ 27 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 27 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 88 mg/L | all year | 001 |
| Solids, total suspended | daily maximum | ≤ 88 mg/L | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.9 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.9 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10 mg/L | all year | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10 mg/L | all year | 001 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 001 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 001 |
| Chloride [as Cl] | monthly average | ≤ 631 mg/L | all year | 001 |
| Chloride [as Cl] | monthly average | ≤ 631 mg/L | all year | 001 |
| Chloride [as Cl] | daily maximum | ≤ 1502 mg/L | all year | 001 |
| Chloride [as Cl] | daily maximum | ≤ 1502 mg/L | all year | 001 |
| Lead, total [as Pb] | monthly average | ≤ .009 mg/L | all year | 001 |
| Lead, total [as Pb] | daily maximum | ≤ .021 mg/L | all year | 001 |
| Zinc, total [as Zn] | monthly average | ≤ .11 mg/L | all year | 001 |
| Zinc, total [as Zn] | daily maximum | ≤ .2 mg/L | all year | 001 |
| Phenol | monthly average | ≤ .015 mg/L | all year | 001 |
| Phenol | daily maximum | ≤ .026 mg/L | all year | 001 |
| 4,4'-DDT | monthly average | ≤ .0000005 mg/L | all year | 001 |
| 4,4'-DDT | daily maximum | ≤ .000001 mg/L | all year | 001 |
| Aldrin | monthly average | ≤ .000001 mg/L | all year | 001 |
| Aldrin | daily maximum | ≤ .000002 mg/L | all year | 001 |
| Heptachlor | monthly average | ≤ .0000002 mg/L | all year | 001 |
| Heptachlor | daily maximum | ≤ .0000004 mg/L | all year | 001 |
| Hexachlorobenzene | monthly average | ≤ .0000006 mg/L | all year | 001 |
| Hexachlorobenzene | daily maximum | ≤ .000002 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 |
| Chlordane | monthly average | ≤ .0000005 mg/L | all year | 001 |
| Chlordane | daily maximum | ≤ .000001 mg/L | all year | 001 |
| .alpha.-Terpineol | monthly average | ≤ .016 mg/L | all year | 001 |
| .alpha.-Terpineol | daily maximum | ≤ .033 mg/L | all year | 001 |
| Priority pollutants scan [yes/no] | minimum | ≥ 1 N=0;Y=1 | all year | 001 |
| p-Cresol | monthly average | ≤ .014 mg/L | all year | 001 |
| p-Cresol | daily maximum | ≤ .025 mg/L | all year | 001 |
| Benzoic acids, total | monthly average | ≤ .071 mg/L | all year | 001 |
| Benzoic acids, total | daily maximum | ≤ .12 mg/L | all year | 001 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 002 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 002 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 002 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 002 |
| Oil and grease | daily maximum | ≤ 15 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 | monthly average | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | daily maximum | 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 minimum | ≥ 6 SU | all year | 003 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 003 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 003 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 003 |
| Oil and grease | daily maximum | ≤ 15 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 | monthly average | report only (MGD) | all year | 003 |
| Flow, in conduit or thru treatment plant | daily maximum | 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 minimum | ≥ 6 SU | all year | 004 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 004 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 004 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 004 |
| Carbon, tot organic [TOC] | daily maximum | ≤ 50 mg/L | all year | 004 |
| Oil and grease | daily maximum | ≤ 15 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 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 005 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | all year | 005 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 005 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 005 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 005 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 005 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 005 |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year | 005 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 005 |
| Phosphorus, total [as P] | daily maximum | report only (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 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 005 |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | all year | 005 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 37 mg/L | all year | 006 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 140 mg/L | all year | 006 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 006 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 006 |
| Solids, total suspended | 7-day average | ≤ 27 mg/L | all year | 006 |
| Solids, total suspended | daily maximum | ≤ 88 mg/L | all year | 006 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.9 mg/L | all year | 006 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10 mg/L | all year | 006 |
| Chromium, hexavalent [as Cr] | monthly average | report only (mg/L) | all year | 006 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (mg/L) | all year | 006 |
| Zinc, total [as Zn] | monthly average | ≤ .11 mg/L | all year | 006 |
| Zinc, total [as Zn] | daily maximum | ≤ .22 mg/L | all year | 006 |
| Phenol | monthly average | ≤ .015 mg/L | all year | 006 |
| Phenol | daily maximum | ≤ .026 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 | monthly average | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 006 |
| .alpha.-Terpineol | monthly average | ≤ .016 mg/L | all year | 006 |
| .alpha.-Terpineol | daily maximum | ≤ .033 mg/L | all year | 006 |
| Priority pollutants scan [yes/no] | minimum | ≥ 1 N=0;Y=1 | all year | 006 |
| p-Cresol | monthly average | ≤ .014 mg/L | all year | 006 |
| p-Cresol | daily maximum | ≤ .025 mg/L | all year | 006 |
| Benzoic acids, total | monthly average | ≤ .071 mg/L | all year | 006 |
| Benzoic acids, total | daily maximum | ≤ .12 mg/L | all year | 006 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 37 mg/L | all year | 007 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 140 mg/L | all year | 007 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 007 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 007 |
| Solids, total suspended | 7-day average | ≤ 27 mg/L | all year | 007 |
| Solids, total suspended | daily maximum | ≤ 88 mg/L | all year | 007 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4.9 mg/L | all year | 007 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10 mg/L | all year | 007 |
| Chromium, hexavalent [as Cr] | monthly average | report only (mg/L) | all year | 007 |
| Chromium, hexavalent [as Cr] | daily maximum | report only (mg/L) | all year | 007 |
| Zinc, total [as Zn] | monthly average | ≤ .11 mg/L | all year | 007 |
| Zinc, total [as Zn] | daily maximum | ≤ .22 mg/L | all year | 007 |
| Phenol | monthly average | ≤ .015 mg/L | all year | 007 |
| Phenol | daily maximum | ≤ .026 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 | 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 | daily maximum | report only (MGD) | all year | 007 |
| .alpha.-Terpineol | monthly average | ≤ .016 mg/L | all year | 007 |
| .alpha.-Terpineol | daily maximum | ≤ .033 mg/L | all year | 007 |
| Priority pollutants scan [yes/no] | minimum | ≥ 1 N=0;Y=1 | all year | 007 |
| p-Cresol | monthly average | ≤ .014 mg/L | all year | 007 |
| p-Cresol | daily maximum | ≤ .025 mg/L | all year | 007 |
| Benzoic acids, total | monthly average | ≤ .071 mg/L | all year | 007 |
| Benzoic acids, total | daily maximum | ≤ .12 mg/L | all year | 007 |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Chromium, hexavalent [as Cr], daily maximum outfall 006 | 0.022 mg/L | new | — | — |
| Chromium, hexavalent [as Cr], monthly average outfall 006 | 0.009 mg/L | new | — | — |
| Chromium, hexavalent [as Cr], daily maximum outfall 007 | 0.023 mg/L | new | — | — |
| Chromium, hexavalent [as Cr], monthly average outfall 007 | 0.009 mg/L | new | — | — |
Cited limits by parameter: Louisiana's rules and the federal ones.
Same industry: the 47 Refuse Systems 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/LA0076660 · MCP: https://passage-data.com/mcp