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Sewage treatment plant, Urania, Louisiana. NPDES permit LA0040991, in force until Jun 30, 2028. Last 12 months: over a limit 43 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| October 2025 | Solids, total suspended, monthly average | 54 mg/L | ≤ 30 mg/L | 80% |
| October 2025 | Solids, total suspended, weekly average | 60 mg/L | ≤ 45 mg/L | 33% |
| November 2025 | BOD, carbonaceous [5 day, 20 C], daily maximum | 57 mg/L | ≤ 45 mg/L | 27% |
| November 2025 | BOD, carbonaceous [5 day, 20 C], monthly average | 33 mg/L | ≤ 30 mg/L | 10% |
| November 2025 | Coliform, fecal general, weekly geometric mean | 1660 #/100mL | ≤ 400 #/100mL | 315% |
| November 2025 | Solids, total suspended, monthly average | 55 mg/L | ≤ 30 mg/L | 83% |
| November 2025 | Solids, total suspended, weekly average | 79 mg/L | ≤ 45 mg/L | 76% |
| December 2025 | BOD, carbonaceous [5 day, 20 C], daily maximum | 50 mg/L | ≤ 45 mg/L | 11% |
| December 2025 | BOD, carbonaceous [5 day, 20 C], monthly average | 44 mg/L | ≤ 30 mg/L | 47% |
| December 2025 | Coliform, fecal general, monthly geometric mean | 855 #/100mL | ≤ 200 #/100mL | 328% |
| December 2025 | Coliform, fecal general, weekly geometric mean | 1660 #/100mL | ≤ 400 #/100mL | 315% |
| December 2025 | Solids, total suspended, monthly average | 34 mg/L | ≤ 30 mg/L | 13% |
| January 2026 | BOD, carbonaceous [5 day, 20 C], daily maximum | 70 mg/L | ≤ 45 mg/L | 56% |
| January 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 102 lb/d | ≤ 88 lb/d | 16% |
| January 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 62 mg/L | ≤ 30 mg/L | 107% |
| January 2026 | Coliform, fecal general, monthly geometric mean | 852 #/100mL | ≤ 200 #/100mL | 326% |
| January 2026 | Coliform, fecal general, weekly geometric mean | 1100 #/100mL | ≤ 400 #/100mL | 175% |
| January 2026 | Solids, total suspended, monthly average | 42 mg/L | ≤ 30 mg/L | 40% |
| January 2026 | Solids, total suspended, weekly average | 55 mg/L | ≤ 45 mg/L | 22% |
| February 2026 | BOD, carbonaceous [5 day, 20 C], daily maximum | 75 mg/L | ≤ 45 mg/L | 67% |
| February 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 63 mg/L | ≤ 30 mg/L | 110% |
| February 2026 | Coliform, fecal general, monthly geometric mean | 1047 #/100mL | ≤ 200 #/100mL | 424% |
| February 2026 | Coliform, fecal general, weekly geometric mean | 1660 #/100mL | ≤ 400 #/100mL | 315% |
| February 2026 | Solids, total suspended, monthly average | 39 mg/L | ≤ 30 mg/L | 30% |
| March 2026 | BOD, carbonaceous [5 day, 20 C], daily maximum | 73 mg/L | ≤ 45 mg/L | 62% |
| March 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 50 mg/L | ≤ 30 mg/L | 67% |
| March 2026 | Coliform, fecal general, monthly geometric mean | 1660 #/100mL | ≤ 200 #/100mL | 730% |
| March 2026 | Coliform, fecal general, weekly geometric mean | 1660 #/100mL | ≤ 400 #/100mL | 315% |
| March 2026 | Solids, total suspended, monthly average | 36 mg/L | ≤ 30 mg/L | 20% |
| April 2026 | BOD, carbonaceous [5 day, 20 C], daily maximum | 73 mg/L | ≤ 45 mg/L | 62% |
| April 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 70 mg/L | ≤ 30 mg/L | 133% |
| April 2026 | Coliform, fecal general, monthly geometric mean | 960 #/100mL | ≤ 200 #/100mL | 380% |
| April 2026 | Coliform, fecal general, weekly geometric mean | 960 #/100mL | ≤ 400 #/100mL | 140% |
| April 2026 | Solids, total suspended, monthly average | 67 mg/L | ≤ 30 mg/L | 123% |
| April 2026 | Solids, total suspended, weekly average | 68 mg/L | ≤ 45 mg/L | 51% |
| May 2026 | BOD, carbonaceous [5 day, 20 C], daily maximum | 70 mg/L | ≤ 45 mg/L | 56% |
| May 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 68 mg/L | ≤ 30 mg/L | 127% |
| May 2026 | Coliform, fecal general, weekly geometric mean | 1660 #/100mL | ≤ 400 #/100mL | 315% |
| May 2026 | Solids, total suspended, monthly average | 38 mg/L | ≤ 30 mg/L | 27% |
| June 2026 | BOD, carbonaceous [5 day, 20 C], daily maximum | 72 mg/L | ≤ 45 mg/L | 60% |
| June 2026 | BOD, carbonaceous [5 day, 20 C], monthly average | 38 mg/L | ≤ 30 mg/L | 27% |
| June 2026 | Coliform, fecal general, monthly geometric mean | 422 #/100mL | ≤ 200 #/100mL | 111% |
| June 2026 | Coliform, fecal general, weekly geometric mean | 990 #/100mL | ≤ 400 #/100mL | 148% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| pH | instantaneous minimum | ≥ 6 SU | all year |
| pH | instantaneous maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 88 lb/d | all year |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, total [as N] | weekly average | report only (mg/L) | all year |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | all year |
| Nitrogen, ammonia total [as N] | monthly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | weekly average | report only (mg/L) | all year |
| Nitrogen, ammonia total [as N] | monthly average | report only (lb/d) | all year |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | weekly average | report only (mg/L) | all year |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year |
| Flow, in conduit or thru treatment plant | weekly average | report only (MGD) | all year |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year |
| Coliform, fecal general | weekly geometric mean | ≤ 400 #/100mL | 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] | monthly average | ≤ 88 lb/d | all year |
| Parameter | New limit | New or tighter | Median, last 12 months | × new limit |
|---|---|---|---|---|
| Nitrogen, ammonia total [as N], monthly average | 3.5 mg/L | new | 24 mg/L (9 values) | 6.86× |
| Nitrogen, ammonia total [as N], monthly average | 10.1 lb/d | new | 35 lb/d (9 values) | 3.47× |
| Nitrogen, ammonia total [as N], weekly average | 8.2 mg/L | new | 28 mg/L (9 values) | 3.41× |
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/LA0040991 · MCP: https://passage-data.com/mcp