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List of Impaired Waters (Louisiana)
Barataria-Terrebonne Bays, West Central Louisiana Coast 8090302
Cycle 2006
| ID Num |
WBID | Waterbody Name | State Basin Name | # of Impairments |
|---|---|---|---|---|
| 1 | LA-010901 | Atchafalaya Bay & Delta & Gulf Waters | Atchafalaya | 1 |
| 2 | LA-120201 | Lower Grand River & Belle River | Barataria | 2 |
| 3 | LA-120204 | Lake Verret & Grassy Lake | Terrebonne River | 3 |
| 4 | LA-120205 | Lake Palourde | Terrebonne River | 1 |
| 5 | LA-120206 | Grand Bayou & Little Grand Bayou - Origin to Lake Verret | Terrebonne River | 3 |
| 6 | LA-120301 | Bayou Terrebonne - Thibodeaux to Segments 1203 & 1206 | Terrebonne River | 4 |
| 7 | LA-120302 | Company Canal - From Bayou Lafourche to ICWW | Terrebonne River | 3 |
| 8 | LA-120303 | Lake Long | Terrebonne River | 3 |
| 9 | LA-120304 | Intracoastal Waterway | Terrebonne River | 2 |
| 10 | LA-120401 | Bayou Penchant - Bayou Chene to Lake Penchant | Terrebonne River | 2 |
| 11 | LA-120402 | Bayou Chene - From Intracoastal Waterway to Bayou Penchant | Terrebonne River | 1 |
| 12 | LA-120403 | Intracoastal Waterway - Bayou Boeuf Locks to Segments 1204 & 1203 | Terrebonne River | 1 |
| 13 | LA-120404 | Lake Penchant | Terrebonne River | 1 |
| 14 | LA-120405 | Lake Hache, Lake Theriot | Terrebonne River | 3 |
| 15 | LA-120502 | Bayou Grand Caillou - Bayou Pelton to Segments 1205 & 1207 | Terrebonne River | 1 |
| 16 | LA-120503 | Bayou Petit Caillou - Bayou Terrebonne-Klondyke Rd. Bridge | Terrebonne River | 1 |
| 17 | LA-120504 | Bayou Petit Caillou - Klondyke Rd. Bridge - Segments 1205 & 1207 | Terrebonne River | 4 |
| 18 | LA-120505 | Bayou Du Large From Houma to Marmande Canal | Terrebonne River | 6 |
| 19 | LA-120506 | Bayou Du Large - Marmande Canal to Segments 1205 & 1207 | Terrebonne River | 1 |
| 20 | LA-120507 | Bayou Chauvin - Ashland Canal to Lake Boudreaux | Terrebonne River | 4 |
| 21 | LA-120508 | Houma Navigation Canal | Terrebonne River | 1 |
| 22 | LA-120602 | Bayou Terrebonne - Company Canal at Bourg to Humble Canal | Terrebonne River | 1 |
| 23 | LA-120604 | Bayou Blue | Terrebonne River | 2 |
| 24 | LA-120605 | Bayou Pointe au Chien - Source to Segments 1206 & 1207 | Terrebonne River | 7 |
| 25 | LA-120606 | Bayou Blue - Grand Bayou Canal to Segments 1206 & 1207 | Terrebonne River | 4 |
| 26 | LA-120702 | Bayou Petite Caillou | Terrebonne River | 1 |
| 27 | LA-120703 | Bayou Du Large - Segments 1206 & 1207 to Caillou Bay | Terrebonne River | 1 |
| 28 | LA-120707 | Lake Boudreaux | Terrebonne River | 2 |
| 29 | LA-120708 | Lost Lake, Four League Bay | Terrebonne River | 3 |
| 30 | LA-120709 | Bayou Petit Caillou | Terrebonne River | 1 |
| Total # of Impairments | 70 | |||
Delistings for Barataria-Terrebonne Bays
Delistings for West Central Louisiana Coast 8090302
| ID Num |
WBID | Waterbody Name |
Status | Delisted | Basis for Delisting |
|---|---|---|---|---|---|
| 1 | LA-010901 | Atchafalaya Bay & Delta & Gulf Waters | Impaired Water Segment | Mercury; Turbidity | Mercury - TMDL Approved; Turbidity - New data shows attainment |
| 2 | LA-120201 | Lower Grand River & Belle River | Impaired Water Segment | Nutrients, Organic Enrichment/Low DO | TMDL Approved |
| 3 | LA-120204 | Lake Verret & Grassy Lake | Impaired Water Segment | ||
| 4 | LA-120205 | Lake Palourde | Impaired Water Segment | ||
| 5 | LA-120206 | Grand Bayou & Little Grand Bayou - Origin to Lake Verret | Impaired Water Segment | ||
| 6 | LA-120301 | Bayou Terrebonne - Thibodeaux to Segments 1203 & 1206 | Impaired Water Segment | ||
| 7 | LA-120302 | Company Canal - From Bayou Lafourche to ICWW | Impaired Water Segment | ||
| 8 | LA-120303 | Lake Long | Impaired Water Segment | ||
| 9 | LA-120304 | Intracoastal Waterway | Impaired Water Segment | ||
| 10 | LA-120401 | Bayou Penchant - Bayou Chene to Lake Penchant | Impaired Water Segment | Oil & Grease | |
| 11 | LA-120402 | Bayou Chene - From Intracoastal Waterway to Bayou Penchant | Impaired Water Segment | ||
| 12 | LA-120403 | Intracoastal Waterway - Bayou Boeuf Locks to Segments 1204 & 1203 | Impaired Water Segment | pH | New data shows attainment |
| 13 | LA-120404 | Lake Penchant | Impaired Water Segment | ||
| 14 | LA-120405 | Lake Hache, Lake Theriot | Impaired Water Segment | ||
| 15 | LA-120502 | Bayou Grand Caillou - Bayou Pelton to Segments 1205 & 1207 | Impaired Water Segment | ||
| 16 | LA-120503 | Bayou Petit Caillou - Bayou Terrebonne-Klondyke Rd. Bridge | Impaired Water Segment | Nutrients, Organic Enrichment/Low DO | TMDL Approved |
| 17 | LA-120504 | Bayou Petit Caillou - Klondyke Rd. Bridge - Segments 1205 & 1207 | Impaired Water Segment | Taste and Odor | New data shows attainment |
| 18 | LA-120505 | Bayou Du Large From Houma to Marmande Canal | Impaired Water Segment | ||
| 19 | LA-120506 | Bayou Du Large - Marmande Canal to Segments 1205 & 1207 | Impaired Water Segment | ||
| 20 | LA-120507 | Bayou Chauvin - Ashland Canal to Lake Boudreaux | Impaired Water Segment | ||
| 21 | LA-120508 | Houma Navigation Canal | Impaired Water Segment | ||
| 22 | LA-120602 | Bayou Terrebonne - Company Canal at Bourg to Humble Canal | Impaired Water Segment | ||
| 23 | LA-120604 | Bayou Blue | Impaired Water Segment | ||
| 24 | LA-120605 | Bayou Pointe au Chien - Source to Segments 1206 & 1207 | Impaired Water Segment | Nutrients, Nitrite/Nitrate | TMDL Approved |
| 25 | LA-120606 | Bayou Blue - Grand Bayou Canal to Segments 1206 & 1207 | Impaired Water Segment | ||
| 26 | LA-120702 | Bayou Petite Caillou | Impaired Water Segment | ||
| 27 | LA-120703 | Bayou Du Large - Segments 1206 & 1207 to Caillou Bay | Impaired Water Segment | ||
| 28 | LA-120707 | Lake Boudreaux | Impaired Water Segment | Organic enrichment/Low Dissolved Oxygen, Nutrients | Based on contradictory results for dissolved oxygen grab sample data collected as part of the LDEQ's routine monitoring program and dissolved oxygen continuous monitoring data. |
| 29 | LA-120708 | Lost Lake, Four League Bay | Impaired Water Segment | ||
| 30 | LA-120709 | Bayou Petit Caillou | Impaired Water Segment | ||
| 31 | LA-021102 | Barataria Basin Coastal Bays & Gulf Waters | TMDL Completed | Mercury | TMDL Approved |
| 32 | LA-120501 | Bayou Grand Caillou - Houma to Bayou Pelton | TMDL Completed | Nutrients, Organic Enrichment/Low DO | TMDL Approved |
| 33 | LA-120806 | Terrebonne Basin Coastal Bays & Gulf Waters | TMDL Completed | Mercury | TMDL Approved |
| 34 | LA-020403 | Bayou Lafourche - Yankee Canal & Flood Gate to Gulf | Restored | Total & Fecal Coliforms | New data shows attainment |
| 35 | LA-120406 | Lake de Cade | Restored | Dissolved Oxygen, Nutrients | Dissolved Oxygen - New data shows attainment; Nutrients - New DO assessment fully supported; therefore, nutrients not causing an impairment. |
| 36 | LA-120701 | Bayou Grand Caillou | Restored | Total and Fecal Coliforms | New data shows attainment |
In Summary:
| Impaired Water Segments | 30 |
| TMDL Completed | 3 |
| Restored | 3 |