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List of Impaired Waters (Louisiana)

Barataria-Terrebonne Bays, Lower Grand 8070300
Cycle 2006

ID
Num
WBID Waterbody Name State Basin Name # of
Impairments
1 LA-120101 Bayou Portage Terrebonne River 7
2 LA-120102 Bayou Poydras Terrebonne River 6
3 LA-120103 Bayou Choctaw Terrebonne River 4
4 LA-120104 Bayou Grosse Tete Terrebonne River 6
5 LA-120105 Chamberlin Canal Terrebonne River 5
6 LA-120106 Bayou Plaquemine - Plaquemine Lock to ICWW Terrebonne River 3
7 LA-120107 Upper Grand River and Lower Flat River Terrebonne River 1
8 LA-120109 Intracoastal Waterway - Morgan City to Port Allen Route Terrebonne River 4
9 LA-120110 Bayou Cholpi - Headwaters to Bayou Choctaw Terrebonne River 3
10 LA-120111 Bayou Maringouin - Headwaters to East Atchafalaya Basin Levee Terrebonne River 3
11 LA-120112 Bayou Fordoche - Headwaters to Bayou Grosse Tete Terrebonne River 5
12 LA-120201 Lower Grand River & Belle River Terrebonne River 2
Total # of Impairments 49

Delistings for Barataria-Terrebonne Bays

Delistings for Delistings for Lower Grand 8070300

ID
Num
WBID Waterbody
Name
Status Delisted Basis for Delisting
1 LA-120101 Bayou Portage Impaired Water Segment    
2 LA-120102 Bayou Poydras Impaired Water Segment Nutrients New DO assessment fully supported; therefore, nutrients not causing an impairment.
3 LA-120103 Bayou Choctaw Impaired Water Segment Nutrients New DO assessment fully supported; therefore, nutrients not causing an impairment.
4 LA-120104 Bayou Grosse Tete Impaired Water Segment    
5 LA-120105 Chamberlin Canal Impaired Water Segment    
6 LA-120106 Bayou Plaquemine - Plaquemine Lock to ICWW Impaired Water Segment    
7 LA-120107 Upper Grand River and Lower Flat River Impaired Water Segment    
8 LA-120109 Intracoastal Waterway - Morgan City to Port Allen Route Impaired Water Segment    
9 LA-120110 Bayou Cholpi - Headwaters to Bayou Choctaw Impaired Water Segment    
10 LA-120111 Bayou Maringouin - Headwaters to East Atchafalaya Basin Levee Impaired Water Segment Organic Enrichment/Low Dissolved Oxygen, Nutrients TMDL Approved
11 LA-120112 Bayou Fordoche - Headwaters to Bayou Grosse Tete Impaired Water Segment    
12 LA-120201 Lower Grand River & Belle River Impaired Water Segment Dissolved Oxygen, Nutrients TMDL Approved

In Summary:

Impaired Water Segments 12
TMDL Completed 0
Restored 0

 

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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