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

How deep is Stump Lake?

Stump Lake has a maximum depth of 23.9 feet. The lake covers 324 acres.

Stump Lake

Beltrami County, Minnesota324 acresView map Directions

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

Max depth

23.9 ft

Bathymetric survey

Area

324 acres

Surface area

Shoreline

8.9 mi

Measured length

Impaired · Mercury
24 ft max depth

See the measurements Directions Where to stay

Stump Lake in Beltrami County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 23.9 ft. Surface area: 324 acres.

Loading map…

Stump Lake is a 324-acre lake in Beltrami County, Minnesota with a maximum depth of 24 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. Stump Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.

Whether Stump 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 Bemidji →

Get alerts for Stump Lake →

Water quality measurements for Stump Lake

These are the measurements Minnesota PCA publishes for Stump 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 Stump Lake

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

Lake Details

Max depth

23.9 ft

Surface area

324 acres

Shoreline

8.9 mi

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

Stays via Stay22

Stays near Stump Lake

Compare lakeside cabins, hotels, and vacation rentals near Stump Lake in Beltrami 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 Stump 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 Stump Lake’s readings

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

Or email

Fishing Stump Lake

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

EPA Impairment Status

Stump Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).

Causes of impairment

Mercury

Designated uses not supporting: Fish consumption.

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

Source: EPA ATTAINS assessment unit MN04-0130-01 · Official waterbody report

Nearby Lakes in Beltrami County

Stump Lake13 ft clear · Mesotrophic0.4 miView →Little Bass Lake16 ft clear · Oligotrophic1.8 miView →School Lake2.5 miView →Big Bass Lake10.5 ft clear · Mesotrophic3.4 miView →Swenson Lake20.7 ft clear · Oligotrophic3.3 miView →Ose Lake4.1 miView →

Frequently asked questions about Stump Lake

Where is Stump Lake?: Stump Lake is a lake in Beltrami County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Stump Lake?: Stump Lake in Beltrami County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 23.9 ft. Surface area: 324 acres.
Is Stump Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Stump Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
How deep is Stump Lake?: Stump Lake has a maximum depth of 23.9 feet. The lake covers 324 acres.