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State: Louisiana
Waterbody ID:
Other ID: LA-080101
Location: Ouachita River-Arkansas State Line To Columbia Lock And Dam (Scenic From The Arkansas State Line To Intersection With Bayou Bartholomew-22 Miles)
State Waterbody Type: River
EPA Waterbody Type: Rivers and Streams
Water Size: 102
Units: miles
Watershed Name: Lower Ouachita-Bayou De Loutre Lower Ouachita
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-080101
Location: Ouachita River-Arkansas State Line To Columbia Lock And Dam (Scenic From The Arkansas State Line To Intersection With Bayou Bartholomew-22 Miles)
State Waterbody Type: River
EPA Waterbody Type: Rivers and Streams
Water Size: 102
Units: miles
Watershed Name: Lower Ouachita-Bayou De Loutre Lower Ouachita
1998 Waterbody Report for Ouachita River - Arkansas State Line To Columbia Lock & Dam
Waterbody Map Not Available
Features
- About This Database (Integrated Report)
- Assessing Water Quality (Questions and Answers)
- Integrated Reporting Guidance
- Previous National Water Quality Reports
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- Assessment Database
- Statewide Statistical Surveys
- How's My Waterway Local Search tool
- Pollution Categories Summary Document
Causes of Impairment for Reporting Year 1998
Description of this table
| Cause of Impairment | Cause of Impairment Group | State TMDL Development Status |
|---|---|---|
| Cadmium | Metals (other than Mercury) | TMDL needed |
| Copper | Metals (other than Mercury) | TMDL needed |
| Lead | Metals (other than Mercury) | TMDL needed |
| Mercury | Mercury | TMDL completed |
| Nutrients | Nutrients | TMDL completed |
| Organic Enrichment/Low Dissolved Oxygen | Organic Enrichment/Oxygen Depletion | TMDL completed |
| Pesticides | Pesticides | TMDL needed |
| Priority Organics Compounds | Toxic Organics | TMDL needed |
| Suspended Solids | Turbidity | TMDL needed |
| Turbidity | Turbidity | 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 |
|---|---|---|---|---|
| Ouachita River - Arkansas State Line To Columbia Lock And Dam | Jul-14-2006 | Nutrients Oxygen Demand | Point/Nonpoint Source | Nutrients; Organic Enrichment/Low Dissolved Oxygen |
| Ouachita River - Arkansas State Line To Columbia Lock And Dam | Jul-14-2006 | Oxygen Demand | Point/Nonpoint Source | Organic Enrichment/Low Dissolved Oxygen; Nutrients |
| Ouachita River - Arkansas State Line To Columbia Lock And Dam | Jun-13-2002 | Mercury in Fish Tissue | Point/Nonpoint Source | Mercury |
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 |
|---|---|---|---|---|
| Cadmium | 1998 | Mar-31-2005 | Applicable WQS attained: no further information. | |
| Copper | 1998 | Mar-31-2005 | Applicable WQS attained: no further information. | |
| Lead | 1998 | Mar-31-2005 | Applicable WQS attained: no further information. | |
| Pesticides | 1998 | Mar-31-2005 | Applicable WQS attained: no further information. | |
| Priority Organics Compounds | 1998 | Mar-31-2005 | Applicable WQS attained: no further information. | |
| Suspended Solids | 1998 | Mar-31-2005 | Applicable WQS attained: no further information. | |
| Turbidity | 1998 | Mar-31-2005 | Applicable WQS attained: no further information. |