Where is Sibley Lake?

Sibley Lake is a lake in Crow Wing County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.

How deep is Sibley Lake?

Sibley Lake has a maximum depth of 40 feet. The lake covers 418 acres.

Sibley Lake

Crow Wing County, Minnesota418 acresView map Directions

No nutrient or algae sampling on record from Minnesota PCA for this lake.

Max depth

40 ft

Bathymetric survey

Area

418 acres

Surface area

Shoreline

8.3 mi

Measured length

Impaired · Impaired biota (cause unknown)
40 ft max depth

See the measurements Directions Where to stay

Sibley Lake in Crow Wing County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 40 ft. Surface area: 418 acres.

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Sibley Lake is a 418-acre lake in Crow Wing County, Minnesota with a maximum depth of 40 feet.

Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder. Methodology: how these readings are compared.

What Sibley Lake is good for

From access and monitoring records, not editorial picks.

Deep water40 ft surveyed max depth

Swimming conditions

No reading

Recreation use not supported

Nutrient and algae readings are not a swimming clearance. Sibley Lake is listed impaired under Clean Water Act §303(d) (IR 5) for impaired biota (cause unknown), nutrients (phosphorus, nitrogen). Check local advisories before you swim.

Whether Sibley 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.

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Water quality measurements for Sibley Lake

These are the measurements Minnesota PCA publishes for Sibley 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 Sibley Lake

Answers come straight from the public measurements and survey records on this page.

Lake Details

Max depth

40 ft

Surface area

418 acres

Shoreline

8.3 mi

The depth above comes from a bathymetric survey of this lake, not from a regional estimate.

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Stays near Sibley Lake

Compare lakeside cabins, hotels, and vacation rentals near Sibley Lake in Crow Wing County, Minnesota — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

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Fishing Sibley Lake

→ Sibley Lake fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Sibley Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).

Causes of impairment

Impaired biota (cause unknown)Nutrients (phosphorus, nitrogen)

Designated uses not supporting: Aquatic life, Recreation.

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit MN18-0404-00 · Official waterbody report

Nearby Lakes in Crow Wing County

Sibley Lake5.6 ft clear · Eutrophic0.1 miView →Mayo Lake4.8 ft clear · Eutrophic2 miView →Cloverleaf Lake1.8 miView →East Twin Lake15 ft clear · Oligotrophic2.8 miView →West Twin Lake13.3 ft clear · Oligotrophic—View →Upper Hay Lake10.9 ft clear · Mesotrophic—View →

Frequently asked questions about Sibley Lake

Where is Sibley Lake?: Sibley Lake is a lake in Crow Wing County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Sibley Lake?: Sibley Lake in Crow Wing County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 40 ft. Surface area: 418 acres.
Is Sibley Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Sibley Lake is listed impaired under Clean Water Act §303(d) (IR 5) for impaired biota (cause unknown), nutrients (phosphorus, nitrogen). Check local advisories before you swim.
How deep is Sibley Lake?: Sibley Lake has a maximum depth of 40 feet. The lake covers 418 acres.