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Louisiana, Mermentau Watershed
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Listed Waters for Reporting Year 1998
Louisiana, Mermentau Watershed
Description of this table
| NOTE: Click on the underlined "Waterbody Name" to view a Waterbody report. | ||||||||
| Waterbody Name | Waterbody ID | Location | Waterbody Type | Size | Units | State TMDL Development Status | ||
|---|---|---|---|---|---|---|---|---|
| Bayou Chene - Includes Bayou Grand Marais | LA-050603 | River | 33 | miles | ||||
| Bayou Queue De Tortue | LA-050501 | Bayou Queue De Tortue-Headwaters To Mermentau River | River | 61 | miles | |||
| Bayou Queue De Tortue | LA-050501 | Bayou Queue De Tortue-Headwaters To Mermentau River | River | 61 | miles | |||
| Bayou Queue De Tortue | LA-050501 | Bayou Queue De Tortue-Headwaters To Mermentau River | Bayou | acres | ||||
| Bayou Queue De Tortue | LA-050501 | Bayou Queue De Tortue-Headwaters To Mermentau River | Bayou | acres | ||||
| Big Constance Lake And Associated Waterbodies (Estuarine | LA-050802 | Lakes, Reservoirs, and Ponds | acres | |||||
| Freshwater Bayou Canal - Icww To Control Structure | LA-061103 | River | 18 | miles | ||||
| Grand Lake | LA-050701 | Freshwater Lake | 83840 | acres | ||||
| Intracoastal Waterway - Calcasieu Basin To Mermentau River | LA-050602 | Coastal | miles | |||||
| Intracoastal Waterway - Calcasieu Basin To Mermentau River | LA-050602 | River | 17 | miles | ||||
| Intracoastal Waterway - Mermentau River To Vermilion Locks | LA-050702 | Canal | miles | |||||
| Intracoastal Waterway - Mermentau River To Vermilion Locks | LA-050702 | Canal | miles | |||||
| Intracoastal Waterway - Mermentau River To Vermilion Locks | LA-050702 | River | 40 | miles | ||||
| Intracoastal Waterway - Mermentau River To Vermilion Locks | LA-050702 | River | 40 | miles | ||||
| Lacassine Bayou - Headwaters To Grand Lake | LA-050601 | Lacassine Bayou-Headwaters To Grand Lake | Bayou | acres | ||||
| Lacassine Bayou - Headwaters To Grand Lake | LA-050601 | Lacassine Bayou-Headwaters To Grand Lake | River | 25 | miles | |||
| Lake Arthur And Lower Mermentau River To Grand Lake | LA-050402 | Lakes, Reservoirs, and Ponds | acres | |||||
| Lake Arthur And Lower Mermentau River To Grand Lake | LA-050402 | Estuary | 6 | square miles | ||||
| Mermentau River | LA-050801 | Catfish Point Control Structure To Sulf Of Mexico (Estuarine) | Rivers and Streams | miles | ||||
| Mermentau River - Origin To Lake Arthur | LA-050401 | Mermentau River-Origin To Lake Arthur | River | 17 | miles | |||
| Mermentau River Basin Coastal Bays And Gulf Waters | LA-050901 | Mermentau River Basin Coastal Bays And Gulf Waters To State Three-Mile Limit | Estuary | 187 | square miles | |||
| Mermentau River Basin Coastal Bays And Gulf Waters | LA-050901 | Mermentau River Basin Coastal Bays And Gulf Waters To State Three-Mile Limit | Coastal Waters | miles | ||||
| Mermentau River Basin Coastal Bays And Gulf Waters | LA-050901 | Mermentau River Basin Coastal Bays And Gulf Waters To State Three-Mile Limit | Bay | square miles | ||||
| Vermilion-Teche River Basin - Coastal Bays And Gulf Waters | LA-061201 | Vermilion-Teche River Basin-Coastal Bays And Gulf Waters To State Three-Mile Limit | Estuary | 120 | square miles | |||
| Vermilion-Teche River Basin - Coastal Bays And Gulf Waters | LA-061201 | Vermilion-Teche River Basin-Coastal Bays And Gulf Waters To State Three-Mile Limit | Rivers and Streams | miles | ||||
| White Lake | LA-050703 | Lakes, Reservoirs, and Ponds | acres | |||||
Causes of Impairment for Reporting Year 1998
Louisiana, Mermentau
Description of this table| Cause of Impairment | Number of Causes Reported |
|---|---|
| Organic Enrichment/Low Dissolved Oxygen | 11 |
| Oil and Grease | 8 |
| Suspended Solids | 8 |
| Turbidity | 8 |
| Nutrients | 5 |
| Pesticides | 4 |
| Mercury | 3 |
| Nitrogen | 3 |
| Ammonia | 2 |
| Salinity/Total Dissolved Solids/Chlorides | 2 |
| Siltation | 1 |
Cumulative TMDLs by Pollutant
Louisiana, Mermentau Watershed
This chart includes TMDLs since October 1, 1995.
Description of this table
| NOTE: Click on the underlined "Number of TMDLs Completed" value to see a listing of those approved TMDLs for the pollutant. | ||
| Pollutant | Number of TMDLs Completed | Number of Causes of Impairment Addressed |
|---|---|---|
| Oxygen Demand |  8 |
8 |
| Total Suspended Solids (TSS) | 8 |
8 |
| Nutrients Oxygen Demand | 5 |
5 |
| Phosphorus, Total | 5 |
5 |
| Carbofuran | 3 |
3 |
| Fipronil | 3 |
3 |
| Mercury in Fish Tissue | 3 |
3 |
| Nitrogen | 3 |
3 |
| Ammonia | 2 |
2 |
| Dissolved Oxygen | 2 |
2 |
| Lead | 2 |
2 |
| Siltation | 2 |
2 |
| Total Dissolved Solids (TDS) | 2 |
2 |
| Turbidity | 2 |
2 |
| Ammonia Nitrogen | 1 |
1 |
| Biochemical Oxygen Demand (BOD) | 1 |
1 |
| Chloride | 1 |
1 |
| Chlorides | 1 |
1 |
Total: 54 TMDLs; 0 Causes of Impairment
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