Lake Cornelia
Hennepin County, Minnesota29 acresView mapDirections
No nutrient or algae sampling on record from Minnesota PCA for this lake.
- Impaired · Nutrients (phosphorus, nitrogen)
Lake Cornelia in Hennepin County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Surface area: 29 acres.
Lake Cornelia is a 29-acre lake in Hennepin County, Minnesota.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder. Methodology: how these readings are compared.
Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. Lake Cornelia is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Lake Cornelia is safe to swim in today is a call for the Minnesota Pollution Control Agency and the Minnesota DNR and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lake Cornelia
These are the measurements Minnesota PCA publishes for Lake Cornelia, 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 Cornelia
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
29 acres
No bathymetric survey has been published for Lake Cornelia, so its depth is not documented here.
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Stays near Lake Cornelia
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Fishing Lake Cornelia
EPA Impairment Status
Lake Cornelia 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: Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MN27-0028-01 · Official waterbody report
Nearby Lakes in Hennepin County
Frequently asked questions about Lake Cornelia
Where is Lake Cornelia?
- Lake Cornelia is a lake in Hennepin County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Lake Cornelia?
- Lake Cornelia in Hennepin County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Surface area: 29 acres.
Is Lake Cornelia safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lake Cornelia is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
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Where this data comes from
Measurements for Lake Cornelia 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
Lake details from Minnesota DNR LakeFinder