Hennessy Lake
Todd County, Minnesota65 acresView mapDirections
No nutrient or algae sampling on record from Minnesota PCA for this lake.
- 29 ft max depth
Hennessy Lake in Todd County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 28.9 ft. Surface area: 65 acres.
Hennessy Lake is a 65-acre lake in Todd County, Minnesota with a maximum depth of 29 feet.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Hennessy Lake 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 Hennessy Lake
These are the measurements Minnesota PCA publishes for Hennessy 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 Hennessy Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
28.9 ft
Surface area
65 acres
Shoreline
2.7 mi
The depth above comes from a bathymetric survey of this lake, not from a regional estimate.
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Fishing Hennessy Lake
Nearby Lakes in Todd County
Frequently asked questions about Hennessy Lake
Where is Hennessy Lake?
- Hennessy Lake is a lake in Todd County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Hennessy Lake?
- Hennessy Lake in Todd County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 28.9 ft. Surface area: 65 acres.
Is Hennessy Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Hennessy Lake?
- Hennessy Lake has a maximum depth of 28.9 feet. The lake covers 65 acres.
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Where this data comes from
Measurements for Hennessy Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Lake details from Minnesota DNR LakeFinder