Pine Lake
Cook County, Minnesota2,110 acresView mapDirections
No nutrient or algae sampling on record from Minnesota PCA for this lake.
- Impaired · Mercury
- 113 ft max depth
Pine Lake in Cook County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 112.9 ft. Surface area: 2110 acres.
Pine Lake is a 2,110-acre lake in Cook County, Minnesota with a maximum depth of 113 feet.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder. Methodology: how these readings are compared.
What Pine Lake is good for
From access and monitoring records, not editorial picks.
- Deep water112.9 ft surveyed max depth
- Big water2,110 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Pine Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
Whether Pine 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 Pine Lake
These are the measurements Minnesota PCA publishes for Pine 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 Pine Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
112.9 ft
Surface area
2,110 acres
Shoreline
18 mi
Stays via Stay22
Stays near Pine Lake
Compare lakeside cabins, hotels, and vacation rentals near Pine 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 Pine 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 Pine Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Pine Lake
EPA Impairment Status
Pine Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Fish consumption.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MN16-0041-00 · Official waterbody report
Nearby Lakes in Cook County
Frequently asked questions about Pine Lake
Where is Pine Lake?
- Pine 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 Pine Lake?
- Pine Lake in Cook County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 112.9 ft. Surface area: 2110 acres.
Is Pine Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Pine Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
How deep is Pine Lake?
- Pine Lake has a maximum depth of 112.9 feet. The lake covers 2110 acres.
Explore Pine Lake across LakeQuality
Fish species and the cleanest lakes across Minnesota
Fish species and best lakes in Cook County
Species activity outlook by water temperature and season
Where to stay at Minnesota's top lakes, each with its readings
Lakes in the Lake Superior Basin (MN+WI), ranked by water quality
Minnesota's cleanest lakes, ranked on agency measurements
More lakes in Minnesota
State Parks Near Pine Lake
Other Lakes in Minnesota
Where this data comes from
Measurements for Pine 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