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Phosphatic Fertilizers, major discharger, Donaldsonville, Louisiana. NPDES permit LA0029769 expired Oct 31, 2021; its limits still apply. Last 12 months: no values over a limit, 14 of 116 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Temperature, water deg. fahrenheit | monthly average | report only (deg F) | all year | 001 |
| Temperature, water deg. fahrenheit | daily maximum | report only (deg F) | all year | 001 |
| pH | minimum | report only (SU) | all year | 001 |
| pH | maximum | report only (SU) | all year | 001 |
| Dock discharge of phosphorus | monthly average | report only (lb/d) | all year | 001 |
| Dock discharge of phosphorus | daily maximum | report only (lb/d) | all year | 001 |
| Phosphorus, total [as P] | monthly average | ≤ 35 mg/L | all year | 001 |
| Phosphorus, total [as P] | daily maximum | ≤ 105 mg/L | all year | 001 |
| Fluoride | monthly average | ≤ 25 mg/L | all year | 001 |
| Fluoride | daily maximum | ≤ 75 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 | daily maximum | report only (MGD) | all year | 001 |
| pH range excursions, > 60 minutes | monthly total | ≤ 0 occur/mo | all year | 001 |
| pH range excursions, monthly total accum | monthly total | ≤ 446 min | all year | 001 |
| Streamflow | daily minimum | report only (cfs) | all year | 002 |
| pH | instantaneous minimum | report only (SU) | all year | 002 |
| pH | instantaneous maximum | report only (SU) | all year | 002 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | 002 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 002 |
| Solids, total suspended | monthly average | report only (lb/d) | all year | 002 |
| Solids, total suspended | daily maximum | report only (lb/d) | all year | 002 |
| Total phosphorus exceedances | monthly average | report only (# exceed) | all year | 002 |
| Total phosphorus exceedances | daily maximum | ≤ 0 # exceed | all year | 002 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | all year | 002 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | all year | 002 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | all year | 002 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | all year | 002 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 002 |
| Phosphorus, total [as P] | monthly average | report only (lb/d) | all year | 002 |
| Phosphorus, total [as P] | daily maximum | report only (lb/d) | all year | 002 |
| Sulfate, total [as SO4] | monthly average | report only (mg/L) | all year | 002 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 002 |
| Sulfate, total [as SO4] | monthly average | report only (lb/d) | all year | 002 |
| Sulfate, total [as SO4] | daily maximum | report only (lb/d) | all year | 002 |
| Fluoride, total [as F] | monthly average | report only (mg/L) | all year | 002 |
| Fluoride, total [as F] | daily maximum | report only (mg/L) | all year | 002 |
| Fluoride, total [as F] | monthly average | report only (lb/d) | all year | 002 |
| Fluoride, total [as F] | daily maximum | report only (lb/d) | all year | 002 |
| Cadmium, total [as Cd] | monthly average | report only (mg/L) | all year | 002 |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | all year | 002 |
| Cadmium, total [as Cd] | monthly average | report only (lb/d) | all year | 002 |
| Cadmium, total [as Cd] | daily maximum | report only (lb/d) | all year | 002 |
| Aluminum, total [as Al] | monthly average | report only (mg/L) | all year | 002 |
| Aluminum, total [as Al] | daily maximum | report only (mg/L) | all year | 002 |
| Aluminum, total [as Al] | monthly average | report only (lb/d) | all year | 002 |
| Aluminum, total [as Al] | daily maximum | report only (lb/d) | all year | 002 |
| Radium 226, total | monthly average | ≤ .4 pCi/mL | all year | 002 |
| Radium 226, total | daily maximum | ≤ .5 pCi/mL | all year | 002 |
| Uranium, total | monthly average | report only (mg/L) | all year | 002 |
| Uranium, total | daily maximum | report only (mg/L) | all year | 002 |
| Uranium, total | monthly average | report only (lb/d) | all year | 002 |
| Uranium, total | daily maximum | report only (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 | daily maximum | report only (MGD) | all year | 002 |
| Flow, in conduit or thru treatment plant | 7-day maximum | report only (MGD) | all year | 002 |
| Metals, tox priority pollutants, total | monthly average | report only (mg/L) | all year | 002 |
| Metals, tox priority pollutants, total | daily maximum | report only (mg/L) | all year | 002 |
| Metals, tox priority pollutants, total | monthly average | report only (lb/d) | all year | 002 |
| Metals, tox priority pollutants, total | daily maximum | report only (lb/d) | all year | 002 |
| Alpha, gross particle activity | monthly average | report only (pCi/mL) | all year | 002 |
| Alpha, gross particle activity | daily maximum | report only (pCi/mL) | all year | 002 |
| Alpha, gross particle activity | monthly average | report only (pCi/d) | all year | 002 |
| Alpha, gross particle activity | daily maximum | report only (pCi/d) | all year | 002 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 100 mg/L | all year | 006 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 006 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 006 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 006 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10 mg/L | all year | 006 |
| Sulfate, total [as SO4] | daily maximum | report only (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 | daily maximum | report only (MGD) | all year | 006 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 100 mg/L | all year | 007 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 007 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 007 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10 mg/L | all year | 007 |
| Oil and grease | daily maximum | ≤ 15 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 | daily maximum | report only (MGD) | all year | 007 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 100 mg/L | all year | 008 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 008 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 008 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10 mg/L | all year | 008 |
| Oil and grease | daily maximum | ≤ 15 mg/L | all year | 008 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 008 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 008 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 100 mg/L | all year | 009 |
| pH | instantaneous minimum | ≥ 6 SU | all year | 009 |
| pH | instantaneous maximum | ≤ 9 SU | all year | 009 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 10 mg/L | all year | 009 |
| Oil and grease | daily maximum | ≤ 15 mg/L | all year | 009 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 009 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 009 |
| pH | instantaneous minimum | report only (SU) | all year | 101 |
| pH | instantaneous maximum | report only (SU) | all year | 101 |
| Phosphorus, total [as P] | monthly average | ≤ 35 mg/L | all year | 101 |
| Phosphorus, total [as P] | daily maximum | ≤ 105 mg/L | all year | 101 |
| Fluoride | monthly average | ≤ 25 mg/L | all year | 101 |
| Fluoride | daily maximum | ≤ 75 mg/L | all year | 101 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 101 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 101 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 201 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 201 |
| Oxygen demand, chem. [high level] [COD] | daily maximum | ≤ 100 mg/L | all year | 301 |
| Oil & Grease | daily maximum | ≤ 15 mg/L | all year | 301 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 1902 lb/d | all year | 301 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 3846 lb/d | all year | 301 |
| Phosphorus, total [as P] | monthly average | report only (mg/L) | all year | 301 |
| Phosphorus, total [as P] | daily maximum | report only (mg/L) | all year | 301 |
| Sulfate, total [as SO4] | daily maximum | report only (mg/L) | all year | 301 |
| Fluoride | monthly average | report only (mg/L) | all year | 301 |
| Fluoride | daily maximum | report only (mg/L) | all year | 301 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 301 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 301 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 501 |
| BOD, 5-day, 20 deg. C | monthly average | ≤ 30 mg/L | all year | 501 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | all year | 501 |
| BOD, 5-day, 20 deg. C | daily maximum | ≤ 45 mg/L | all year | 501 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 501 |
| Solids, total suspended | monthly average | ≤ 30 mg/L | all year | 501 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 501 |
| Solids, total suspended | daily maximum | ≤ 45 mg/L | all year | 501 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 501 |
| Flow, in conduit or thru treatment plant | monthly average | report only (MGD) | all year | 501 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 501 |
| Flow, in conduit or thru treatment plant | daily maximum | report only (MGD) | all year | 501 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 501 |
| Coliform, fecal general | monthly geometric mean | ≤ 200 #/100mL | all year | 501 |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | all year | 501 |
| Coliform, fecal general | daily maximum | ≤ 400 #/100mL | all year | 501 |
| Whole effluent toxicity - retest #1 | 48-hour minimum | report only (pass=0;fail=1) | all year | TOX |
| Whole effluent toxicity - retest #1 | 48-hour minimum | report only (pass=0;fail=1) | all year | TOX |
| Whole effluent toxicity - retest #1 | 48-hour minimum | report only (pass=0;fail=1) | all year | TOX |
| Whole effluent toxicity - retest #1 | 48-hour minimum | report only (pass=0;fail=1) | all year | TOX |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | TOX |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | TOX |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | TOX |
| Whole effluent toxicity - retest #1 | monthly average minimum | report only (pass=0;fail=1) | all year | TOX |
| Whole effluent toxicity - retest #2 | 48-hour minimum | report only (pass=0;fail=1) | all year | TOX |
| Whole effluent toxicity - retest #2 | 48-hour minimum | report only (pass=0;fail=1) | all year | TOX |
| Whole effluent toxicity - retest #2 | 48-hour minimum | report only (pass=0;fail=1) | all year | TOX |
| Whole effluent toxicity - retest #2 | 48-hour minimum | report only (pass=0;fail=1) | all year | TOX |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | TOX |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | TOX |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | TOX |
| Whole effluent toxicity - retest #2 | monthly average minimum | report only (pass=0;fail=1) | all year | TOX |
| Whole Effluent Toxicity - Retest #3 | 48-hour minimum | report only (pass=0;fail=1) | all year | TOX |
| Whole Effluent Toxicity - Retest #3 | 48-hour minimum | report only (pass=0;fail=1) | all year | TOX |
| Whole Effluent Toxicity - Retest #3 | 48-hour minimum | report only (pass=0;fail=1) | all year | TOX |
| Whole Effluent Toxicity - Retest #3 | 48-hour minimum | report only (pass=0;fail=1) | all year | TOX |
| Whole Effluent Toxicity - Retest #3 | monthly average minimum | report only (pass=0;fail=1) | all year | TOX |
| Whole Effluent Toxicity - Retest #3 | monthly average minimum | report only (pass=0;fail=1) | all year | TOX |
| Whole Effluent Toxicity - Retest #3 | monthly average minimum | report only (pass=0;fail=1) | all year | TOX |
| Whole Effluent Toxicity - Retest #3 | monthly average minimum | report only (pass=0;fail=1) | all year | TOX |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 48-hour minimum | report only (pass=0;fail=1) | all year | TOX |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | 48-hour minimum | report only (pass=0;fail=1) | all year | TOX |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | monthly average minimum | report only (pass=0;fail=1) | all year | TOX |
| Low Flow Pass/Fail Static Renewal 48Hr Acute Daphnia pulex | monthly average minimum | report only (pass=0;fail=1) | all year | TOX |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (pass=0;fail=1) | all year | TOX |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | 48-hour minimum | report only (pass=0;fail=1) | all year | TOX |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TOX |
| LF Pass/Fail Static Renewal 48Hr Acute Pimephales promelas | monthly average minimum | report only (pass=0;fail=1) | all year | TOX |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 48-hour minimum | report only (%) | all year | TOX |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | 48-hour minimum | report only (%) | all year | TOX |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | monthly average minimum | report only (%) | all year | TOX |
| NOAEC Lethal Statis Renewal 48 Hr Acute Daphnia pulex | monthly average minimum | report only (%) | all year | TOX |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 48-hour minimum | report only (%) | all year | TOX |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | 48-hour minimum | report only (%) | all year | TOX |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | monthly average minimum | report only (%) | all year | TOX |
| NOAEC Lethal Static Renewal 48Hr acute Pimephales promelas | monthly average minimum | report only (%) | all year | TOX |
| Coef Of Var Static Renewal 48Hr Acute D. pulex | 48-hour minimum | report only (%) | all year | TOX |
| Coef Of Var Static Renewal 48Hr Acute D. pulex | 48-hour minimum | report only (%) | all year | TOX |
| Coef Of Var Static Renewal 48Hr Acute D. pulex | 48-hour maximum | report only (%) | all year | TOX |
| Coef Of Var Static Renewal 48Hr Acute D. pulex | 48-hour maximum | report only (%) | all year | TOX |
| Coef Of Var Static Renewal 48Hr Acute Pimephales promelas | 48-hour maximum | report only (%) | all year | TOX |
| Coef Of Var Static Renewal 48Hr Acute Pimephales promelas | 48-hour maximum | report only (%) | all year | TOX |
Cited limits by parameter: Louisiana's rules and the federal ones.
Same industry: the 130 Chemicals and Allied Products 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/LA0029769 · MCP: https://passage-data.com/mcp