Lake Lou Yaeger
Montgomery County, Illinois1,369 acresView mapDirections
No nutrient or algae sampling on record from Illinois EPA for this lake.
- Impaired · Mercury
- 32 ft max depth
Lake Lou Yaeger in Montgomery County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 32 ft. Surface area: 1369 acres.
Lake Lou Yaeger is a 1,369-acre lake in Montgomery County, Illinois with a maximum depth of 32 feet (10-foot average).
Source: EPA Water Quality Portal sampling records, Illinois EPA. Methodology: how these readings are compared.
What Lake Lou Yaeger is good for
From access and monitoring records, not editorial picks.
- Deep water32 ft surveyed max depth
- Big water1,369 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Lake Lou Yaeger is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nutrients (phosphorus, nitrogen), turbidity. Check local advisories before you swim.
Whether Lake Lou Yaeger 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 Lake Lou Yaeger
These are the measurements Illinois EPA publishes for Lake Lou Yaeger, 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 Lake Lou Yaeger
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
32 ft
Average depth
9.6 ft
Surface area
1,369 acres
Shoreline
31.9 mi
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Stays near Lake Lou Yaeger
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Fishing Lake Lou Yaeger
EPA Impairment Status
Lake Lou Yaeger 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_RON · Official waterbody report
Nearby Lakes in Montgomery County
Frequently asked questions about Lake Lou Yaeger
Where is Lake Lou Yaeger?
- Lake Lou Yaeger is a lake in Montgomery County, Illinois. Its water-quality measurements are published by Illinois EPA and shown on this page as reported.
What is the water quality of Lake Lou Yaeger?
- Lake Lou Yaeger in Montgomery County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 32 ft. Surface area: 1369 acres.
Is Lake Lou Yaeger safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lake Lou Yaeger is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, nutrients (phosphorus, nitrogen), turbidity. Check local advisories before you swim.
How deep is Lake Lou Yaeger?
- Lake Lou Yaeger has a maximum depth of 32 feet and an average depth of 9.6 feet. The lake covers 1369 acres.
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Where this data comes from
Measurements for Lake Lou Yaeger 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