Diann Lake
Sherburne County, Minnesota59 acresView mapDirections
No nutrient or algae sampling on record from Minnesota PCA for this lake.
- Impaired · Nutrients (phosphorus, nitrogen)
- 5 ft max depth
Diann Lake in Sherburne County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 5 ft. Surface area: 59 acres.
Diann Lake is a 59-acre lake in Sherburne County, Minnesota with a maximum depth of 5 feet.
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. Diann Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Whether Diann 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 Diann Lake
These are the measurements Minnesota PCA publishes for Diann 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.
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Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
5 ft
Surface area
59 acres
Shoreline
1.8 mi
The depth above comes from a bathymetric survey of this lake, not from a regional estimate.
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Fishing Diann Lake
EPA Impairment Status
Diann Lake 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: Recreation.
Source: EPA ATTAINS assessment unit MN71-0046-00 · Official waterbody report
Nearby Lakes in Sherburne County
Frequently asked questions about Diann Lake
Where is Diann Lake?
- Diann Lake is a lake in Sherburne County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Diann Lake?
- Diann Lake in Sherburne County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 5 ft. Surface area: 59 acres.
Is Diann Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Diann Lake is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
How deep is Diann Lake?
- Diann Lake has a maximum depth of 5 feet. The lake covers 59 acres.
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Where this data comes from
Measurements for Diann 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
Lake details from Minnesota DNR LakeFinder