![[logo] US EPA](http://www.epa.gov/epafiles/images/logo_epaseal.gif){kind=logo}
Return to home page
On This Page
State: Louisiana
Waterbody ID: LA101302_00
Location: Iatt Lake
State Waterbody Type: Freshwater Lake
EPA Waterbody Type: Lakes, Reservoirs, and Ponds
Water Size: 7104
Units: acres
Watershed Name: Lower Red-Lake Iatt
On This Page
- Water Quality Assessment Status
- Causes of Impairment
- Probable Sources Contributing to Impairments
- TMDLs That Apply to This Waterbody
- Previous Causes of Impairment Now Attaining All Uses
State: Louisiana
Waterbody ID: LA101302_00
Location: Iatt Lake
State Waterbody Type: Freshwater Lake
EPA Waterbody Type: Lakes, Reservoirs, and Ponds
Water Size: 7104
Units: acres
Watershed Name: Lower Red-Lake Iatt
2010 Waterbody Report for Iatt Lake
Click on the waterbody for an interactive map
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
Water Quality Assessment Status for Reporting Year 2010
The overall status of this waterbody is Impaired.
Description of this table
| Designated Use | Designated Use Group | Status |
|---|---|---|
| Agriculture | Agricultural | Good |
| Fish And Wildlife Propagation | Fish, Shellfish, And Wildlife Protection And Propagation | Impaired |
| Primary Contact Recreation | Recreation | Good |
| Secondary Contact Recreation | Recreation | Good |
Causes of Impairment for Reporting Year 2010
Description of this table
| Cause of Impairment | Cause of Impairment Group | Designated Use(s) | State TMDL Development Status |
|---|---|---|---|
| Dissolved Oxygen | Organic Enrichment/Oxygen Depletion | Fish And Wildlife Propagation | TMDL completed |
| Mercury in Fish Tissue | Mercury | Fish And Wildlife Propagation | TMDL completed |
| Non-Native Aquatic Plants | Nuisance Exotic Species | Fish And Wildlife Propagation | TMDL alternative |
Probable Sources Contributing to Impairment for Reporting Year 2010
Description of this table
| Probable Source | Probable Source Group | Cause(s) of Impairment |
|---|---|---|
| Atmospheric Deposition - Toxics | Atmospheric Deposition | Mercury in Fish Tissue |
| Introduction Of Non-Native Organisms (Accidental Or Intentional) | Other | Non-Native Aquatic Plants |
| Lake Fertilization | Other | Dissolved Oxygen |
| On-Site Treatment Systems (Septic Systems And Similar Decentralized Systems) | Municipal Discharges/Sewage | Dissolved Oxygen |
| Runoff From Forest/Grassland/Parkland | Other | Dissolved Oxygen |
| Source Unknown | Unknown | Mercury in Fish Tissue |
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 |
|---|---|---|---|---|
| Iatt Lake 101302 Tmdl For Do | Mar-26-2008 | Oxygen Demand | Nonpoint Source | Dissolved Oxygen |
| Iatt Lake Tmdl For Mercury In Fish Tissue | Sep-24-2007 | Mercury in Fish Tissue | Nonpoint Source | Mercury |
Previous Causes of Impairments Now Attaining All Uses
No causes of impairment are recorded as attaining all uses for this waterbody.