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List of Impaired Waters (Louisiana)
Lake Pontchartrain, Eastern Louisiana Coastal 8090203
Cycle 2004
| ID Num |
WBID | Waterbody Name | State Basin Name | # of Impairments |
|---|---|---|---|---|
| 1 | LA-041201 | Bayou Labranche - Headwaters to Lake Pontchartrain | 4 | 3 |
| 2 | LA-041202 | Bayou Trepagnier - Norco to Bayou Labranche | 4 | 1 |
| 3 | LA-041203 | Duncan Canal (Parish Line Canal) | 4 | 1 |
| 4 | LA-041302 | Lake Pontchartrain Drainage Canals, Jefferson & Orleans Parishes | 4 | 1 |
| 5 | LA-041401 | New Orleans East Leveed Waterbodies | 4 | 2 |
| 6 | LA-041601 | Intracoastal Waterway | 4 | 1 |
| 7 | LA-041703 | Intracoastal Waterway - Chef Menteur Pass to State Line | 4 | 1 |
| 8 | LA-041802 | Bayou Chaperon - Origin to End | 1 | |
| 9 | LA-041803 | Bashman Bayou - Origin to Bayou Dupre | 1 | |
| 10 | LA-041805 | Lake Borgne Canal (Violet Canal) - Mississippi River - B. Dupre | 4 | 1 |
| 11 | LA-041901 | Mississippi River Gulf Outlet | 4 | 2 |
| 12 | LA-042001 | Lake Borgne (Estuarine) | 4 | 1 |
| 13 | LA-042002 | Bayou Bienvenue | 1 | |
| 14 | LA-042101 | Bayou Terre Aux Boeufs (Estuarine) | 4 | 1 |
| 15 | LA-042209 | Lake Pontchartrain Basin Coastal Bays & Gulf Waters | 4 | 2 |
| Total # of Impairments | 20 | |||
Delistings for Lake Pontchartrain
Delistings of Eastern Louisiana Coastal
| ID Num |
WBID | Waterbody Name |
Status | Delisted | Basis for Delisting |
|---|---|---|---|---|---|
| 1 | LA-041201 | Bayou Labranche - Headwaters to Lake Pontchartrain | Impaired Water Segment | ||
| 2 | LA-041202 | Bayou Trepagnier - Norco to Bayou Labranche | Impaired Water Segment | Oil & Grease | The pollutant source (Shell Oil Company's Norco Refinery) has been identified and eliminated with the remediation project to begin early spring 2005. |
| 3 | LA-041203 | Duncan Canal (Parish Line Canal) | Impaired Water Segment | ||
| 4 | LA-041302 | Lake Pontchartrain Drainage Canals, Jefferson & Orleans Parishes | Impaired Water Segment | Phosphorus, Organic Enrichment/ Low DO | |
| 5 | LA-041401 | New Orleans East Leveed Waterbodies | Impaired Water Segment | ||
| 6 | LA-041601 | Intracoastal Waterway | Impaired Water Segment | ||
| 7 | LA-041703 | Intracoastal Waterway - Chef Menteur Pass to State Line | Impaired Water Segment | ||
| 8 | LA-041802 | Bayou Chaperon - Origin to End | Impaired Water Segment | ||
| 9 | LA-041803 | Bashman Bayou - Origin to Bayou Dupre | Impaired Water Segment | ||
| 10 | LA-041805 | Lake Borgne Canal (Violet Canal) - Mississippi River - B. Dupre | Impaired Water Segment | ||
| 11 | LA-041901 | Mississippi River Gulf Outlet | Impaired Water Segment | ||
| 12 | LA-042001 | Lake Borgne (Estuarine) | Impaired Water Segment | ||
| 13 | LA-042002 | Bayou Bienvenue | Impaired Water Segment | ||
| 14 | LA-042101 | Bayou Terre Aux Boeufs (Estuarine) | Impaired Water Segment | ||
| 15 | LA-042209 | Lake Pontchartrain Basin Coastal Bays & Gulf Waters | Impaired Water Segment | ||
| 16 | LA-041801 | Bayou Bienvenue - Headwaters to Mississippi River Gulf Outlet | Restored | Phosphorus, Organic Enrichment/ Low DO |
In Summary:
| Impaired Water Segments | 15 |
| TMDL Completed | 0 |
| Restored | 1 |