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Botanical And Zoological Gardens, Baton Rouge, Louisiana. NPDES permit LA0084557 expired Aug 8, 2026; its limits still apply. Last 12 months: over a limit 36 times (last March 2026), 120 required values missing, 8 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | BOD, carbonaceous [5 day, 20 C], daily maximum | 91 mg/L | ≤ 45 mg/L | 102% |
| October 2025 | BOD, carbonaceous [5 day, 20 C], daily maximum | 91 mg/L | ≤ 45 mg/L | 102% |
| October 2025 | BOD, carbonaceous [5 day, 20 C], monthly average | 48 mg/L | ≤ 30 mg/L | 60% |
| October 2025 | BOD, carbonaceous [5 day, 20 C], monthly average | 48 mg/L | ≤ 30 mg/L | 60% |
| October 2025 | Coliform, fecal general, daily maximum | 5520 #/100mL | ≤ 400 #/100mL | 1280% |
| October 2025 | Coliform, fecal general, daily maximum | 5520 #/100mL | ≤ 400 #/100mL | 1280% |
| October 2025 | Coliform, fecal general, monthly geometric mean | 1261 #/100mL | ≤ 200 #/100mL | 531% |
| October 2025 | Coliform, fecal general, monthly geometric mean | 1261 #/100mL | ≤ 200 #/100mL | 531% |
| November 2025 | Solids, total suspended, daily maximum | 185 mg/L | ≤ 45 mg/L | 311% |
| November 2025 | Solids, total suspended, daily maximum | 185 mg/L | ≤ 45 mg/L | 311% |
| November 2025 | Solids, total suspended, monthly average | 102 mg/L | ≤ 30 mg/L | 240% |
| November 2025 | Solids, total suspended, monthly average | 102 mg/L | ≤ 30 mg/L | 240% |
| December 2025 | Coliform, fecal general, daily maximum | 3680 #/100mL | ≤ 400 #/100mL | 820% |
| December 2025 | Coliform, fecal general, daily maximum | 3680 #/100mL | ≤ 400 #/100mL | 820% |
| December 2025 | Solids, total suspended, daily maximum | 79 mg/L | ≤ 45 mg/L | 76% |
| December 2025 | Solids, total suspended, daily maximum | 79 mg/L | ≤ 45 mg/L | 76% |
| December 2025 | Solids, total suspended, monthly average | 68 mg/L | ≤ 30 mg/L | 127% |
| December 2025 | Solids, total suspended, monthly average | 68 mg/L | ≤ 30 mg/L | 127% |
| January 2026 | Coliform, fecal general, daily maximum | 1472 #/100mL | ≤ 400 #/100mL | 268% |
| January 2026 | Coliform, fecal general, daily maximum | 1472 #/100mL | ≤ 400 #/100mL | 268% |
| January 2026 | Coliform, fecal general, monthly geometric mean | 695 #/100mL | ≤ 200 #/100mL | 248% |
| January 2026 | Coliform, fecal general, monthly geometric mean | 695 #/100mL | ≤ 200 #/100mL | 248% |
| February 2026 | Coliform, fecal general, daily maximum | 5520 #/100mL | ≤ 400 #/100mL | 1280% |
| February 2026 | Coliform, fecal general, daily maximum | 5520 #/100mL | ≤ 400 #/100mL | 1280% |
| February 2026 | Coliform, fecal general, monthly geometric mean | 1198 #/100mL | ≤ 200 #/100mL | 499% |
| February 2026 | Coliform, fecal general, monthly geometric mean | 1198 #/100mL | ≤ 200 #/100mL | 499% |
| February 2026 | Solids, total suspended, monthly average | 31 mg/L | ≤ 30 mg/L | 3% |
| February 2026 | Solids, total suspended, monthly average | 31 mg/L | ≤ 30 mg/L | 3% |
| March 2026 | Coliform, fecal general, daily maximum | 4600 #/100mL | ≤ 400 #/100mL | 1050% |
| March 2026 | Coliform, fecal general, daily maximum | 4600 #/100mL | ≤ 400 #/100mL | 1050% |
| March 2026 | Coliform, fecal general, monthly geometric mean | 1547 #/100mL | ≤ 200 #/100mL | 674% |
| March 2026 | Coliform, fecal general, monthly geometric mean | 1547 #/100mL | ≤ 200 #/100mL | 674% |
| March 2026 | Solids, total suspended, daily maximum | 117 mg/L | ≤ 45 mg/L | 160% |
| March 2026 | Solids, total suspended, daily maximum | 117 mg/L | ≤ 45 mg/L | 160% |
| March 2026 | Solids, total suspended, monthly average | 71 mg/L | ≤ 30 mg/L | 137% |
| March 2026 | Solids, total suspended, monthly average | 71 mg/L | ≤ 30 mg/L | 137% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| pH | instantaneous minimum | ≥ 6 SU | all year |
| pH | instantaneous minimum | ≥ 6 SU | all year |
| pH | instantaneous maximum | ≤ 9 SU | all year |
| pH | instantaneous maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, total [as N] | daily maximum | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5 mg/L | all year |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 5 mg/L | all year |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10 mg/L | all year |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10 mg/L | all year |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/d) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (gal/d) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/d) | all year |
| Flow, in conduit or thru treatment plant | daily maximum | report only (gal/d) | all year |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | all year |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 30 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 30 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 45 mg/L | all year |
| BOD, carbonaceous [5 day, 20 C] | daily maximum | ≤ 45 mg/L | all year |
Cited limits by parameter: Louisiana's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/LA0084557 · MCP: https://passage-data.com/mcp