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LakeQuality

Sea Gull Lake

Cook County, Minnesota3,984 acresView mapDirections

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

Max depth
129.9 ft
Bathymetric survey
Area
3,984 acres
Surface area
Shoreline
30.6 mi
Measured length
  • Impaired · Mercury
  • 130 ft max depth

Sea Gull Lake in Cook County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 129.9 ft. Surface area: 3984 acres.

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Sea Gull Lake is a 3,984-acre lake in Cook County, Minnesota with a maximum depth of 130 feet.

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

What Sea Gull Lake is good for

From access and monitoring records, not editorial picks.

  • Deep water129.9 ft surveyed max depth
  • Big water3,984 acres

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Sea Gull Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.

Whether Sea Gull 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 Sea Gull Lake

These are the measurements Minnesota PCA publishes for Sea Gull 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 Sea Gull Lake

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

Lake Details

Max depth

129.9 ft

Surface area

3,984 acres

Shoreline

30.6 mi

Stays via Stay22

Stays near Sea Gull Lake

Compare lakeside cabins, hotels, and vacation rentals near Sea Gull Lake in Cook 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.

Top-rated places to stay near Sea Gull Lake

Prices for Oct 16–18, 4 adults. Change dates on the map below.

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Fishing Sea Gull Lake

EPA Impairment Status

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

Causes of impairment

Mercury

Designated uses not supporting: Fish consumption.

Source: EPA ATTAINS assessment unit MN16-0629-00 · Official waterbody report

Nearby Lakes in Cook County

Frequently asked questions about Sea Gull Lake

Where is Sea Gull Lake?

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

What is the water quality of Sea Gull Lake?

Sea Gull Lake in Cook County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 129.9 ft. Surface area: 3984 acres.

Measurements on this page ↑

Is Sea Gull Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Sea Gull Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.

Swimming on this page ↑

How deep is Sea Gull Lake?

Sea Gull Lake has a maximum depth of 129.9 feet. The lake covers 3984 acres.

Where this data comes from

Measurements for Sea Gull 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