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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

 

Gulf of Mexico Program Office
Mail Code: EPA/GMPO
Stennis Space Center, MS 39529-6000
228-688-3726
FAX: 228-688-2709


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