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Sewage treatment plant, major discharger, Mandeville, Louisiana. NPDES permit LA0038288 expired Oct 31, 2023; its limits still apply. Last 12 months: over a limit once (last June 2026), 2 of 39 reports late. Source: EPA ECHO, Oct 22, 2026.
| Period ending | Parameter | Reported | Limit | Over by |
|---|---|---|---|---|
| June 2026 | Coliform, fecal general, weekly geometric mean | 2760 #/100mL | ≤ 400 #/100mL | 590% |
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 300 lb/d | all year | 002 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 002 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 002 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 002 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 002 |
| Solids, total suspended | monthly average | ≤ 300 lb/d | all year | 002 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 002 |
| Nitrogen, total [as N] | weekly average | report only (mg/L) | all year | 002 |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | all year | 002 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | weekly average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year | 002 |
| Magnesium, total [as Mg] | monthly average | report only (mg/L) | all year | 002 |
| Magnesium, total [as Mg] | weekly average | report only (mg/L) | all year | 002 |
| Magnesium, total [as Mg] | monthly average | report only (lb/d) | all year | 002 |
| Cadmium, total [as Cd] | monthly average | report only (mg/L) | all year | 002 |
| Cadmium, total [as Cd] | weekly average | report only (mg/L) | all year | 002 |
| Cadmium, total [as Cd] | monthly average | report only (lb/d) | all year | 002 |
| Chromium, total [as Cr] | monthly average | report only (mg/L) | all year | 002 |
| Chromium, total [as Cr] | weekly average | report only (mg/L) | all year | 002 |
| Chromium, total [as Cr] | monthly average | report only (lb/d) | all year | 002 |
| Copper, total [as Cu] | monthly average | report only (mg/L) | all year | 002 |
| Copper, total [as Cu] | weekly average | report only (mg/L) | all year | 002 |
| Copper, total [as Cu] | monthly average | report only (lb/d) | all year | 002 |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | 002 |
| Iron, total [as Fe] | weekly average | report only (mg/L) | all year | 002 |
| Iron, total [as Fe] | monthly average | report only (lb/d) | all year | 002 |
| Lead, total [as Pb] | monthly average | report only (mg/L) | all year | 002 |
| Lead, total [as Pb] | weekly average | report only (mg/L) | all year | 002 |
| Lead, total [as Pb] | monthly average | report only (lb/d) | all year | 002 |
| Nickel, total [as Ni] | monthly average | report only (mg/L) | all year | 002 |
| Nickel, total [as Ni] | weekly average | report only (mg/L) | all year | 002 |
| Nickel, total [as Ni] | monthly average | report only (lb/d) | all year | 002 |
| Silver, total [as Ag] | monthly average | report only (mg/L) | all year | 002 |
| Silver, total [as Ag] | weekly average | report only (mg/L) | all year | 002 |
| Silver, total [as Ag] | monthly average | report only (lb/d) | all year | 002 |
| Zinc, total [as Zn] | monthly average | report only (mg/L) | all year | 002 |
| Zinc, total [as Zn] | weekly average | report only (mg/L) | all year | 002 |
| Zinc, total [as Zn] | monthly average | report only (lb/d) | all year | 002 |
| Selenium, total [as Se] | monthly average | report only (mg/L) | all year | 002 |
| Selenium, total [as Se] | weekly average | report only (mg/L) | all year | 002 |
| Selenium, total [as Se] | monthly average | report only (lb/d) | all year | 002 |
| Total phenols | monthly average | report only (mg/L) | all year | 002 |
| Total phenols | weekly average | report only (mg/L) | all year | 002 |
| Total phenols | monthly average | ≤ .53 lb/d | all year | 002 |
| Total phenols | weekly average | ≤ 1.26 lb/d | 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 | weekly average | report only (MGD) | all year | 002 |
| Wetlands Monitoring | minimum | ≥ 1 N=0;Y=1 | all year | 002 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 002 |
| Coliform, fecal general | weekly geometric mean | ≤ 400 #/100mL | all year | 002 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 003 |
| BOD, 5-day, 20 deg. C | weekly average | ≤ 45 mg/L | all year | 003 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 701 lb/d | all year | 003 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 003 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 003 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 003 |
| Solids, total suspended | weekly average | ≤ 45 mg/L | all year | 003 |
| Solids, total suspended | monthly average | ≤ 701 lb/d | all year | 003 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 003 |
| Nitrogen, total [as N] | weekly average | report only (mg/L) | all year | 003 |
| Nitrogen, total [as N] | monthly average | report only (lb/d) | all year | 003 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 003 |
| Phosphorus, total [as P] | weekly average | report only (mg/L) | all year | 003 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year | 003 |
| Magnesium, total [as Mg] | monthly average | report only (mg/L) | all year | 003 |
| Magnesium, total [as Mg] | weekly average | report only (mg/L) | all year | 003 |
| Magnesium, total [as Mg] | monthly average | report only (lb/d) | all year | 003 |
| Cadmium, total [as Cd] | monthly average | report only (mg/L) | all year | 003 |
| Cadmium, total [as Cd] | weekly average | report only (mg/L) | all year | 003 |
| Cadmium, total [as Cd] | monthly average | report only (lb/d) | all year | 003 |
| Chromium, total [as Cr] | monthly average | report only (mg/L) | all year | 003 |
| Chromium, total [as Cr] | weekly average | report only (mg/L) | all year | 003 |
| Chromium, total [as Cr] | monthly average | report only (lb/d) | all year | 003 |
| Copper, total [as Cu] | monthly average | report only (mg/L) | all year | 003 |
| Copper, total [as Cu] | weekly average | report only (mg/L) | all year | 003 |
| Copper, total [as Cu] | monthly average | report only (lb/d) | all year | 003 |
| Iron, total [as Fe] | monthly average | report only (mg/L) | all year | 003 |
| Iron, total [as Fe] | weekly average | report only (mg/L) | all year | 003 |
| Iron, total [as Fe] | monthly average | report only (lb/d) | all year | 003 |
| Lead, total [as Pb] | monthly average | report only (mg/L) | all year | 003 |
| Lead, total [as Pb] | weekly average | report only (mg/L) | all year | 003 |
| Lead, total [as Pb] | monthly average | report only (lb/d) | all year | 003 |
| Nickel, total [as Ni] | monthly average | report only (mg/L) | all year | 003 |
| Nickel, total [as Ni] | weekly average | report only (mg/L) | all year | 003 |
| Nickel, total [as Ni] | monthly average | report only (lb/d) | all year | 003 |
| Silver, total [as Ag] | monthly average | report only (mg/L) | all year | 003 |
| Silver, total [as Ag] | weekly average | report only (mg/L) | all year | 003 |
| Silver, total [as Ag] | monthly average | report only (lb/d) | all year | 003 |
| Zinc, total [as Zn] | monthly average | report only (mg/L) | all year | 003 |
| Zinc, total [as Zn] | weekly average | report only (mg/L) | all year | 003 |
| Zinc, total [as Zn] | monthly average | report only (lb/d) | all year | 003 |
| Selenium, total [as Se] | monthly average | report only (mg/L) | all year | 003 |
| Selenium, total [as Se] | weekly average | report only (mg/L) | all year | 003 |
| Selenium, total [as Se] | monthly average | report only (lb/d) | all year | 003 |
| Total phenols | monthly average | report only (mg/L) | all year | 003 |
| Total phenols | weekly average | report only (mg/L) | all year | 003 |
| Total phenols | monthly average | ≤ 1.19 lb/d | all year | 003 |
| Total phenols | weekly average | ≤ 2.84 lb/d | 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 | weekly average | report only (MGD) | all year | 003 |
| Wetlands Monitoring | minimum | ≥ 1 N=0;Y=1 | all year | 003 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 003 |
| Coliform, fecal general | weekly geometric mean | ≤ 400 #/100mL | all year | 003 |
| Whole effluent toxicity - retest #1 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX2 |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | TX2 |
| Whole effluent toxicity - retest #2 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX2 |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | TX2 |
| Whole Effluent Toxicity - Retest #3 | 48-hour minimum | report only (pass=0;fail=1) | all year | TX2 |
| Whole Effluent Toxicity - Retest #3 | monthly average minimum | report only (pass=0;fail=1) | all year | TX2 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 48-hour minimum | report only (pass=0;fail=1) | all year | TX2 |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | monthly average minimum | report only (pass=0;fail=1) | all year | TX2 |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (pass=0;fail=1) | all year | TX2 |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TX2 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 48-hour minimum | report only (%) | all year | TX2 |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | monthly average minimum | report only (%) | all year | TX2 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 48-hour minimum | report only (%) | all year | TX2 |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | monthly average minimum | report only (%) | all year | TX2 |
| Coef Of Var Static Renewal 48Hr Acute D. pulex | maximum | report only (%) | all year | TX2 |
| Coef Of Var Static Renewal 48Hr Acute Pimephales promelas | maximum | report only (%) | all year | TX2 |
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/LA0038288 · MCP: https://passage-data.com/mcp