Elkville Reservoir
Jackson County, Illinois53 acresView mapDirections
No nutrient or algae sampling on record from Illinois EPA for this lake.
- Impaired · Nutrients (phosphorus, nitrogen)
- 12 ft max depth
Elkville Reservoir in Jackson County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 12 ft. Surface area: 53 acres.
Elkville Reservoir is a 53-acre lake in Jackson County, Illinois with a maximum depth of 12 feet (6-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. Elkville Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen), oxygen depletion (low DO), pH / acidity, turbidity. Check local advisories before you swim.
Whether Elkville 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 Elkville Reservoir
These are the measurements Illinois EPA publishes for Elkville 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 Elkville Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
12 ft
Average depth
6 ft
Surface area
53 acres
Shoreline
2.7 mi
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Fishing Elkville Reservoir
EPA Impairment Status
Elkville 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: Aquatic life, Other.
Source: EPA ATTAINS assessment unit IL_RNT · Official waterbody report
Nearby Lakes in Jackson County
Frequently asked questions about Elkville Reservoir
Where is Elkville Reservoir?
- Elkville 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 Elkville Reservoir?
- Elkville Reservoir in Jackson County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 12 ft. Surface area: 53 acres.
Is Elkville Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Elkville Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen), oxygen depletion (low DO), pH / acidity, turbidity. Check local advisories before you swim.
How deep is Elkville Reservoir?
- Elkville Reservoir has a maximum depth of 12 feet and an average depth of 6 feet. The lake covers 53 acres.
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Where this data comes from
Measurements for Elkville 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