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State: Illinois
Waterbody ID:
Other ID: ILREA _REA
State List ID: IL_REA
Location:
State Waterbody Type: Lake/Reservoir/Pond
EPA Waterbody Type: Lakes, Reservoirs, and Ponds
Water Size: 3093
Units: acres
Watershed Name: Upper Sangamon
On This Page
- Causes of Impairment
- TMDLs That Apply to This Waterbody
- Previous Causes of Impairment Now Attaining All Uses
State: Illinois
Waterbody ID:
Other ID: ILREA _REA
State List ID: IL_REA
Location:
State Waterbody Type: Lake/Reservoir/Pond
EPA Waterbody Type: Lakes, Reservoirs, and Ponds
Water Size: 3093
Units: acres
Watershed Name: Upper Sangamon
2006 Waterbody Report for Decatur
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
Causes of Impairment for Reporting Year 2006
Description of this table
| Cause of Impairment | Cause of Impairment Group | State TMDL Development Status |
|---|---|---|
| Chlordane | Pesticides | TMDL needed |
| Dissolved Oxygen | Organic Enrichment/Oxygen Depletion | TMDL completed |
| Nitrates | Nutrients | TMDL completed |
| Nitrogen, Total | Nutrients | TMDL completed |
| Phosphorus, Total | Nutrients | TMDL completed |
| Polychlorinated Biphenyls (PCBs) | Polychlorinated Biphenyls (PCBs) | TMDL needed |
| Sedimentation/Siltation | Sediment | TMDL completed |
| Silver | Metals (other than Mercury) | TMDL needed |
| Total Suspended Solids (TSS) | Turbidity | TMDL completed |
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 |
|---|---|---|---|---|
| Lake Decatur (Rea) | Sep-06-2007 | Nitrates | Point/Nonpoint Source | Phosphorus, Total; Nitrates; Dissolved Oxygen; Nutrients; Nitrogen, Total; Organic Enrichment/Low Dissolved Oxygen; Suspended Solids; Phosphorus; Sedimentation/Siltation; Total Suspended Solids (TSS); Siltation |
| Lake Decatur (Rea) | Sep-06-2007 | Phosphorus, Total | Nonpoint Source | Nitrogen, Total; Suspended Solids; Phosphorus; Organic Enrichment/Low Dissolved Oxygen; Nutrients; Phosphorus, Total; Dissolved Oxygen; Nitrates; Siltation; Total Suspended Solids (TSS); Sedimentation/Siltation |
Previous Causes of Impairments Now Attaining All Uses
No causes of impairment are recorded as attaining all uses for this waterbody.