NPDES LA0004324 · Clean Water Act
ENTERGY NEW ORLEANS LLC - MICHOUD ELECTRIC GENERATING PLANT - NEW ORLEANS POWER, New Orleans, LA: NPDES LA0004324 discharge permit, effluent exceedances, inspections, penalties
ENTERGY NEW ORLEANS LLC - MICHOUD ELECTRIC GENERATING PLANT - NEW ORLEANS POWER, New Orleans, Louisiana: Individual permit LA0004324, held by Entergy New Orleans, Inc.- Michoud Generating Plant; Effective; issued August 11, 2020, term to August 10, 2025; discharges to 0701.
8 of the 37 pollutants listed for NPDES LA0004324 have no violation or effluent exceedance.
- Solids, total suspended: 4 limits, 25 violations of any kind, 5 effluent exceedances, latest March 31, 2017, largest 10% over the limit.
- Oil and grease: 0 limits, 17 violations of any kind, 3 effluent exceedances, latest February 28, 2009, largest 257% over the limit.
- Flow, in conduit or thru treatment plant: 12 limits, 30 violations of any kind.
- pH: 6 limits, 14 violations of any kind.
- LF Pass/Fail Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopis bahia): 2 limits, 12 violations of any kind.
- NOAEC Lethal Static Renewal 48HR Acute Americamysis bahia (formerly Mysidopsis bahia): 2 limits, 12 violations of any kind.
- Coef Of Var Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia): 1 limit, 12 violations of any kind.
- Low Flow Pass/Fail Static Renewal 48Hr Acute Menidia menidia: 0 limits, 12 violations of any kind.
- NOAEC Lethal Static Renewal 48HR Acute Menidia menidia: 0 limits, 12 violations of any kind.
- Coef Of Var Static Renewal 48Hr Acute Menidia menidia: 0 limits, 12 violations of any kind.
- Carbon, tot organic [TOC]: 3 limits, 10 violations of any kind.
- Copper, total [as Cu]: 4 limits, 4 violations of any kind.
- Iron, total [as Fe]: 4 limits, 4 violations of any kind.
- Temperature, water deg. fahrenheit: 0 limits, 4 violations of any kind.
- Pass/Fail Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia): 0 limits, 4 violations of any kind.
- Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia): 0 limits, 4 violations of any kind.
- Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia: 0 limits, 4 violations of any kind.
- NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia): 0 limits, 4 violations of any kind.
- NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia: 0 limits, 4 violations of any kind.
- NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia): 0 limits, 4 violations of any kind.
- NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia: 0 limits, 4 violations of any kind.
- Coef Of Var Static Renewal 7Day Chronic Menidia menidia: 0 limits, 4 violations of any kind.
- Oil & Grease: 5 limits, 2 violations of any kind.
- Lead, total [as Pb]: 1 limit, 2 violations of any kind.
- Benzene: 1 limit, 2 violations of any kind.
- Benzene, ethylbenzene, toluene, xylene combination: 0 limits, 2 violations of any kind.
- Chlorine, total residual: 0 limits, 2 violations of any kind.
- Pass/Fail Static Renewal 7Day Chronic Menidia: 0 limits, 2 violations of any kind.
- Coef Of Var Static Renewal 7Day Chronic Americamysis bahia (formerly Mysidopsis bahia): 0 limits, 2 violations of any kind.
- Whole effluent toxicity - retest #1: 4 limits.
- Whole effluent toxicity - retest #2: 4 limits.
- Whole Effluent Toxicity - Retest #3: 4 limits.
- Solids, total suspended, non-algal: 2 limits.
- Low Flow Pass/Fail Static Renewal 48Hr Acute Menidia beryllina: 2 limits.
- NOAEC Lethal Static Renewal 48HR Acute Menidia beryllina: 2 limits.
- BTEX: 1 limit.
- Coef Of Var Static Renewal 48Hr Acute Menidia beryllina: 1 limit.
ENTERGY NEW ORLEANS LLC - MICHOUD ELECTRIC GENERATING PLANT - NEW ORLEANS POWER among its neighbors
15 discharge permits are in the Morrison Canal subwatershed (HUC 080902030201); LA0004324 is one. Its county: 106, 6 major; LA0004324 is minor permit.
Other permits in the Morrison Canal subwatershed (HUC 080902030201)
- AMID LANDFILL LLC, New Orleans: LA0105007, minor, term to 2004-06-30
- CHEVRON CONVENIENCE STORE, New Orleans: LAG830254, minor, term to 2012-12-14
- COLT, INC., New Orleans: LAR05Q245, minor, term to 2026-10-26
- COMMAND CONSTRUCTION INDUSTRIES LLC, New Orleans: LAR10N396, minor, term to 2021-03-28
- CSX TRANSPORTATION, INC. - GENTILLY YARD, New Orleans: LA0065307, minor, term to 2019-10-31
- DELGADO FIRE SCHOOL-NEW ORLEAN, New Orleans: LA0091201, minor, term to 2020-10-31
- GENTILLY LANDFILL TYPE III, New Orleans: LA0122530, minor, term to 2012-06-30
- GULF GATEWAY TERMINAL LLC, New Orleans: LAG670257, minor, term to 2028-05-31
- MCM PLASTICS, INC., Holden: LA0121398, minor, term to 2021-10-31
- NATIONAL AEROMAUTICS & SPACE ADMINISTRATION- MICHOUD ASSEMBLY FACILITY, New Orleans: LA0052256, major, term to 2031-03-31
Identity
| Facility | ENTERGY NEW ORLEANS LLC - MICHOUD ELECTRIC GENERATING PLANT - NEW ORLEANS POWER |
|---|---|
| Permittee | Entergy New Orleans, Inc.- Michoud Generating Plant |
| NPDES ID | LA0004324 |
| Status | Effective |
| Type | Individual permit |
| Class | Minor |
| Facility type | Non-POTW |
| Issued | August 11, 2020 |
| Expires | August 10, 2025 |
| Address | New Orleans, LA 70129 |
| Receiving water | 0701 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Morrison Canal (HUC 080902030201) |
| SIC | 4911 – Electric Services |
| Other EPA IDs (FRS) | RCRA handler LAD000757567; ICIS-AIR source LA0000002207100014 |
NPDES LA0004324: effluent limits and exceedances
ENTERGY NEW ORLEANS LLC - MICHOUD ELECTRIC GENERATING PLANT - NEW ORLEANS POWER (NPDES LA0004324): 37 pollutants on file, 20 limited; 29 with a violation of any kind, 2 with an exceedance.
| Pollutant | Limits | Violations | Exceedances | Latest | Largest, as filed |
|---|---|---|---|---|---|
| Solids, total suspended | 4 | 25 | 5 | March 31, 2017 | 10% over the limit |
| Oil and grease | 0 | 17 | 3 | February 28, 2009 | 257% over the limit |
| Flow, in conduit or thru treatment plant | 12 | 30 | 0 | ||
| pH | 6 | 14 | 0 | ||
| LF Pass/Fail Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopis bahia) | 2 | 12 | 0 | ||
| NOAEC Lethal Static Renewal 48HR Acute Americamysis bahia (formerly Mysidopsis bahia) | 2 | 12 | 0 | ||
| Coef Of Var Static Renewal 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia) | 1 | 12 | 0 | ||
| Low Flow Pass/Fail Static Renewal 48Hr Acute Menidia menidia | 0 | 12 | 0 | ||
| NOAEC Lethal Static Renewal 48HR Acute Menidia menidia | 0 | 12 | 0 | ||
| Coef Of Var Static Renewal 48Hr Acute Menidia menidia | 0 | 12 | 0 | ||
| Carbon, tot organic [TOC] | 3 | 10 | 0 | ||
| Copper, total [as Cu] | 4 | 4 | 0 | ||
| Iron, total [as Fe] | 4 | 4 | 0 | ||
| Temperature, water deg. fahrenheit | 0 | 4 | 0 | ||
| Pass/Fail Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 0 | 4 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Americamysis bahia (Mysidopsis bahia) | 0 | 4 | 0 | ||
| Low Flow Pass/Fail Survival Test Static Renewal 7 Day Chronic Menidia menidia | 0 | 4 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 0 | 4 | 0 | ||
| NOEC Lethal Static Renewal 7 Day Chronic Menidia menidia | 0 | 4 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 0 | 4 | 0 | ||
| NOEC Sub-Lethal Static Renewal 7 Day Chronic Menidia menidia | 0 | 4 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Menidia menidia | 0 | 4 | 0 | ||
| Oil & Grease | 5 | 2 | 0 | ||
| Lead, total [as Pb] | 1 | 2 | 0 | ||
| Benzene | 1 | 2 | 0 | ||
| Benzene, ethylbenzene, toluene, xylene combination | 0 | 2 | 0 | ||
| Chlorine, total residual | 0 | 2 | 0 | ||
| Pass/Fail Static Renewal 7Day Chronic Menidia | 0 | 2 | 0 | ||
| Coef Of Var Static Renewal 7Day Chronic Americamysis bahia (formerly Mysidopsis bahia) | 0 | 2 | 0 | ||
| Whole effluent toxicity - retest #1 | 4 | 0 | 0 | ||
| Whole effluent toxicity - retest #2 | 4 | 0 | 0 | ||
| Whole Effluent Toxicity - Retest #3 | 4 | 0 | 0 | ||
| Solids, total suspended, non-algal | 2 | 0 | 0 | ||
| Low Flow Pass/Fail Static Renewal 48Hr Acute Menidia beryllina | 2 | 0 | 0 | ||
| NOAEC Lethal Static Renewal 48HR Acute Menidia beryllina | 2 | 0 | 0 | ||
| BTEX | 1 | 0 | 0 | ||
| Coef Of Var Static Renewal 48Hr Acute Menidia beryllina | 1 | 0 | 0 |
NPDES LA0004324: inspections, violations and enforcement
NPDES LA0004324 (ENTERGY NEW ORLEANS LLC - MICHOUD ELECTRIC GENERATING PLANT - NEW ORLEANS POWER): no single-event violation, inspection, formal enforcement action and informal enforcement action on file.
Watch NPDES LA0004324
NPDES LA0004324: one email when its EPA record changes — $99/month.
Permits near NPDES LA0004324
NPDES LA0004324: 37 pollutant rows, 0 dated events; ICIS-NPDES download, loaded October 14, 2026.