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State: Louisiana
Waterbody ID:
Other ID: LA-120111
State List ID: LA-120111
Location:
State Waterbody Type: Bayou, River
EPA Waterbody Type: Wetlands, Rivers and Streams
Water Size: 18
Units: acres, miles
Watershed Name: Lower Grand Atchafalaya
On This Page
- Causes of Impairment
- TMDLs That Apply to This Waterbody
- Previous Causes of Impairment Now Attaining All Uses
State: Louisiana
Waterbody ID:
Other ID: LA-120111
State List ID: LA-120111
Location:
State Waterbody Type: Bayou, River
EPA Waterbody Type: Wetlands, Rivers and Streams
Water Size: 18
Units: acres, miles
Watershed Name: Lower Grand Atchafalaya
2004 Waterbody Report for Bayou Maringouin
Waterbody Map Not Available
Features
- About This Database (Integrated Report)
- Assessing Water Quality (Questions and Answers)
- Integrated Reporting Guidance
- Previous National Water Quality Reports
- EnviroMapper for Water
- AskWATERS
- EPA WATERS Homepage
- Exchange Network
- Assessment Database
- Statewide Statistical Surveys
- How's My Waterway Local Search tool
- Pollution Categories Summary Document
Causes of Impairment for Reporting Year 2004
Description of this table
| Cause of Impairment | Cause of Impairment Group | State TMDL Development Status |
|---|---|---|
| Atrazine | Pesticides | TMDL needed |
| Dissolved Oxygen | Organic Enrichment/Oxygen Depletion | TMDL completed |
| Nitrite/Nitrate | Nutrients | TMDL needed |
| Phosphorus, Total | Nutrients | TMDL completed |
| Total Dissolved Solids (TDS) | Salinity/Total Dissolved Solids/Chlorides/Sulfates | TMDL completed |
| Total and Fecal Coliform | Pathogens | TMDL needed |
TMDLs That Apply to this waterbody
Description of this table
| TMDL Document Name | TMDL Date | TMDL Pollutant Description | TMDL Pollutant Source Type | Cause(s) of Impairment Addressed |
|---|---|---|---|---|
| Bayou Maringouin 120111 Tmdl For Fecal Coliform | Apr-11-2007 | Fecal Coliform | Nonpoint Source | Fecal Coliform; Total and Fecal Coliform; Pathogens |
| Bayou Maringouin 120111 Tmdl For Total Dissolved Solids | Apr-11-2007 | Total Dissolved Solids (TDS) | Nonpoint Source | Total Dissolved Solids (TDS) |
| Bayou Maringouin Watershed Tmdl | Jan-25-2006 | Biochemical Oxygen Demand (BOD) | Nonpoint Source | Phosphorus, Total; Phosphorus; Organic Enrichment/Low Dissolved Oxygen; Nutrients; Nitrite/Nitrate; Dissolved Oxygen |
| Bayou Maringouin Watershed Tmdl | Jan-25-2006 | Nutrients Oxygen Demand | Nonpoint Source | Nitrite/Nitrate; Dissolved Oxygen; Nutrients; Phosphorus, Total; Organic Enrichment/Low Dissolved Oxygen; Phosphorus |
Previous Causes of Impairments Now Attaining All Uses
Description of this table
| Cause of Impairment | Cycles Listed | WQS Attainment Date | WQS Attainment Reason | WQS Attainment Comments |
|---|---|---|---|---|
| Atrazine | 1998, 2002, 2004 | Sep-28-2011 | Applicable WQS attained; reason for recovery unspecified. | EPA study showed Atrazine concentrations do not exceed screening values frequently enough to indicate impairment. |
| Atrazine | 1998, 2002, 2004 | Sep-28-2011 | Applicable WQS attained; reason for recovery unspecified. | EPA study showed Atrazine concentrations do not exceed screening values frequently enough to indicate impairment. |
| Atrazine | 1998, 2002, 2004 | Sep-28-2011 | Applicable WQS attained; reason for recovery unspecified. | EPA study showed Atrazine concentrations do not exceed screening values frequently enough to indicate impairment. |
| Fecal Coliform | 1998, 2002, 2004, 2006, 2008 | Sep-30-2011 | Applicable WQS attained; reason for recovery unspecified. | |
| Fecal Coliform | 1998, 2002, 2004, 2006, 2008 | Sep-30-2011 | Applicable WQS attained; reason for recovery unspecified. | |
| Fecal Coliform | 1998, 2002, 2004, 2006, 2008 | Sep-30-2011 | Applicable WQS attained; reason for recovery unspecified. | |
| Metals (other than Mercury) | 1998 | Mar-31-2005 | Applicable WQS attained: no further information. | |
| Oil and Grease | 1998 | Mar-31-2005 | Applicable WQS attained: no further information. | |
| Pathogens | 1998, 2002, 2004, 2006 | Mar-31-2005 | Applicable WQS attained: no further information. | |
| Taste and Odor | 1998 | Mar-31-2005 | Applicable WQS attained: no further information. |