Skip to main content
LakeQuality

Jack Lake

Cook County, Minnesota117 acresView mapDirections

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

Max depth
10 ft
Bathymetric survey
Area
117 acres
Surface area
  • 10 ft max depth

Jack Lake in Cook County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 10 ft. Surface area: 117 acres.

Loading map…

Jack Lake is a 117-acre lake in Cook County, Minnesota with a maximum depth of 10 feet.

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

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Jack 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.

Compare swimming lakes near Ely →

Get alerts for Jack Lake →

Water quality measurements for Jack Lake

These are the measurements Minnesota PCA publishes for Jack 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 Jack Lake

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

Lake Details

Max depth

10 ft

Surface area

117 acres

Stays via Stay22

Stays near Jack Lake

Compare lakeside cabins, hotels, and vacation rentals near Jack 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 Jack Lake

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

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Planning a whole trip? See where to stay at Minnesota’s top lakes →

Follow Jack Lake’s readings

Email me when new measurements post for this lake. Updates stay free.


Or email

Fishing Jack Lake

Nearby Lakes in Cook County

Frequently asked questions about Jack Lake

Where is Jack Lake?

Jack 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 Jack Lake?

Jack Lake in Cook County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 10 ft. Surface area: 117 acres.

Measurements on this page ↑

Is Jack Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

How deep is Jack Lake?

Jack Lake has a maximum depth of 10 feet. The lake covers 117 acres.

Where this data comes from

Measurements for Jack 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