Carbondale Reservoir
Jackson County, Illinois126 acresView mapDirections
No nutrient or algae sampling on record from Illinois EPA for this lake.
- Impaired · Mercury
- 11 ft max depth
Carbondale Reservoir in Jackson County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 11 ft. Surface area: 126 acres.
Carbondale Reservoir is a 126-acre lake in Jackson County, Illinois with a maximum depth of 11 feet (3-foot average).
Source: EPA Water Quality Portal sampling records, Illinois EPA. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Carbondale Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Carbondale Reservoir is safe to swim in today is a call for the Illinois Environmental Protection Agency and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Carbondale Reservoir
These are the measurements Illinois EPA publishes for Carbondale Reservoir, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. TSI undefined.
Ask about Carbondale Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
11 ft
Average depth
3 ft
Surface area
126 acres
Shoreline
3.3 mi
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Fishing Carbondale Reservoir
EPA Impairment Status
Carbondale Reservoir is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Fish consumption, Other.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit IL_RNI · Official waterbody report
Nearby Lakes in Jackson County
Frequently asked questions about Carbondale Reservoir
Where is Carbondale Reservoir?
- Carbondale Reservoir is a lake in Jackson County, Illinois. Its water-quality measurements are published by Illinois EPA and shown on this page as reported.
What is the water quality of Carbondale Reservoir?
- Carbondale Reservoir in Jackson County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 11 ft. Surface area: 126 acres.
Is Carbondale Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Carbondale Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
How deep is Carbondale Reservoir?
- Carbondale Reservoir has a maximum depth of 11 feet and an average depth of 3 feet. The lake covers 126 acres.
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Where this data comes from
Measurements for Carbondale Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database