Davis Lake
Lake County, Illinois33 acresView mapDirections
No nutrient or algae sampling on record from Illinois EPA for this lake.
- Impaired · Noxious aquatic plants
- 18 ft max depth
Davis Lake in Lake County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 18.1 ft. Surface area: 33 acres.
Davis Lake is a 33-acre lake in Lake County, Illinois with a maximum depth of 18 feet (9-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. Davis Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for noxious aquatic plants, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Davis Lake 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 Davis Lake
These are the measurements Illinois EPA publishes for Davis Lake, 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 Davis Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
18.1 ft
Average depth
9 ft
Surface area
33 acres
Shoreline
1.3 mi
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Stays near Davis Lake
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Fishing Davis Lake
EPA Impairment Status
Davis Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Other.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit IL_STQ · Official waterbody report
Nearby Lakes in Lake County
Frequently asked questions about Davis Lake
Where is Davis Lake?
- Davis Lake is a lake in Lake County, Illinois. Its water-quality measurements are published by Illinois EPA and shown on this page as reported.
What is the water quality of Davis Lake?
- Davis Lake in Lake County, Illinois has water-quality measurements published by Illinois EPA, shown here as reported. Maximum depth: 18.1 ft. Surface area: 33 acres.
Is Davis Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Davis Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for noxious aquatic plants, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
How deep is Davis Lake?
- Davis Lake has a maximum depth of 18.1 feet and an average depth of 9 feet. The lake covers 33 acres.
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Where this data comes from
Measurements for Davis Lake 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