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Sewage treatment plant, major discharger, Breaux Bridge, Louisiana. NPDES permit LA0033014, in force until Oct 14, 2027. Last 12 months: over a limit 2 times (last December 2025), 4 required values missing, 5 of 17 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| December 2025 | 4,4'-DDT, monthly average | < .0001 lb/d | ≤ .000003 lb/d | 3238% |
| December 2025 | 4,4'-DDT, weekly average | < .0001 lb/d | ≤ .000007 lb/d | 1328% |
| Parameter | Statistic | Limit | Months |
|---|---|---|---|
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | all year |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 318 lb/d | all year |
| pH | minimum | ≥ 6 SU | all year |
| pH | maximum | ≤ 9 SU | all year |
| Solids, total suspended | monthly average | ≤ 90 mg/L | all year |
| Solids, total suspended | weekly average | ≤ 135 mg/L | all year |
| Solids, total suspended | monthly average | ≤ 953 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 |
| 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 |
| Arsenic, total [as As] | monthly average | report only (mg/L) | all year |
| Arsenic, total [as As] | weekly average | report only (mg/L) | all year |
| Arsenic, total [as As] | monthly average | report only (lb/d) | all year |
| Cadmium, total [as Cd] | monthly average | report only (mg/L) | all year |
| Cadmium, total [as Cd] | weekly average | report only (mg/L) | all year |
| Cadmium, total [as Cd] | monthly average | report only (lb/d) | all year |
| Chromium, hexavalent [as Cr] | monthly average | report only (mg/L) | all year |
| Chromium, hexavalent [as Cr] | weekly average | report only (mg/L) | all year |
| Chromium, hexavalent [as Cr] | monthly average | report only (lb/d) | all year |
| Copper, total [as Cu] | monthly average | report only (mg/L) | all year |
| Copper, total [as Cu] | weekly average | report only (mg/L) | all year |
| Copper, total [as Cu] | monthly average | report only (lb/d) | all year |
| Lead, total [as Pb] | monthly average | report only (mg/L) | all year |
| Lead, total [as Pb] | weekly average | report only (mg/L) | all year |
| Lead, total [as Pb] | monthly average | report only (lb/d) | all year |
| Lead, total [as Pb] | weekly average | report only (lb/d) | all year |
| Nickel, total [as Ni] | monthly average | report only (mg/L) | all year |
| Nickel, total [as Ni] | weekly average | report only (mg/L) | all year |
| Nickel, total [as Ni] | monthly average | report only (lb/d) | all year |
| Silver, total [as Ag] | monthly average | report only (mg/L) | all year |
| Silver, total [as Ag] | weekly average | report only (mg/L) | all year |
| Silver, total [as Ag] | monthly average | report only (lb/d) | all year |
| Zinc, total [as Zn] | monthly average | report only (mg/L) | all year |
| Zinc, total [as Zn] | weekly average | report only (mg/L) | all year |
| Zinc, total [as Zn] | monthly average | report only (lb/d) | all year |
| Selenium, total [as Se] | monthly average | report only (mg/L) | all year |
| Selenium, total [as Se] | weekly average | report only (mg/L) | all year |
| Selenium, total [as Se] | monthly average | report only (lb/d) | all year |
| Whole effluent toxicity - retest #1 | 48-hour minimum | report only (pass=0;fail=1) | all year |
| Whole effluent toxicity - retest #1 | 48-hour minimum | report only (pass=0;fail=1) | all year |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year |
| Whole effluent toxicity - retest #2 | 48-hour minimum | report only (pass=0;fail=1) | all year |
| Whole effluent toxicity - retest #2 | 48-hour minimum | report only (pass=0;fail=1) | all year |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year |
| 4,4'-DDT | monthly average | report only (mg/L) | all year |
| 4,4'-DDT | weekly average | report only (mg/L) | all year |
| 4,4'-DDT | monthly average | ≤ .000003 lb/d | all year |
| 4,4'-DDT | weekly average | ≤ .000007 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 |
| Chlorine, total residual | instantaneous maximum | ≤ .033 mg/L | all year |
| Chromium III | monthly average | report only (mg/L) | all year |
| Chromium III | weekly average | report only (mg/L) | all year |
| Chromium III | monthly average | report only (lb/d) | all year |
| Whole Effluent Toxicity - Retest #3 | 48-hour minimum | report only (pass=0;fail=1) | all year |
| Whole Effluent Toxicity - Retest #3 | 48-hour minimum | report only (pass=0;fail=1) | all year |
| Whole Effluent Toxicity - Retest #3 | monthly average minimum | report only (pass=0;fail=1) | all year |
| Whole Effluent Toxicity - Retest #3 | monthly average minimum | report only (pass=0;fail=1) | all year |
| Wetlands Monitoring | minimum | ≥ 1 N=0;Y=1 | all year |
| Mercury, total [as Hg] | monthly average | report only (mg/L) | all year |
| Mercury, total [as Hg] | weekly average | report only (mg/L) | all year |
| Mercury, total [as Hg] | monthly average | report only (lb/d) | all year |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year |
| Coliform, fecal general | weekly geometric mean | ≤ 400 #/100mL | all year |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 48-hour minimum | report only (pass=0;fail=1) | all year |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | monthly average minimum | report only (pass=0;fail=1) | all year |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (pass=0;fail=1) | all year |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 48-hour minimum | report only (%) | all year |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | monthly average minimum | report only (%) | all year |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 48-hour minimum | report only (%) | all year |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | monthly average minimum | report only (%) | all year |
| Coef Of Var Static Renewal 48Hr Acute D. pulex | maximum | report only (%) | all year |
| Coef Of Var Static Renewal 48Hr Acute Pimephales promelas | maximum | report only (%) | all year |
Cited limits by parameter: Louisiana's rules and the federal ones.
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On EPA ECHO: Facility report · DMR history
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