Where is Upper Dean Lake?

Upper Dean 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.

Are there boat ramps on Upper Dean Lake?

Upper Dean Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Upper Dean Lake. Public access is listed as yes.

Can I fish at Upper Dean Lake?

Upper Dean Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Minnesota's fish and wildlife agency, so check its current regulations before you go.

Upper Dean Lake

Crow Wing County, Minnesota249 acresView map Directions

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

Area

249 acres

Surface area

Shoreline

2.9 mi

Measured length

Impaired · Mercury
Public access

See the measurements Directions Where to stay

Upper Dean Lake in Crow Wing County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Surface area: 249 acres.

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Upper Dean Lake is a 249-acre lake in Crow Wing County, Minnesota. Limited fish-species data available. Public access is available with 1 public boat landing.

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

What Upper Dean Lake is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp

Swimming conditions

No reading

Recreation use not supported

Nutrient and algae readings are not a swimming clearance. Upper Dean Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, nutrients (phosphorus, nitrogen). Check local advisories before you swim.

Whether Upper Dean 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 Upper Dean Lake

These are the measurements Minnesota PCA publishes for Upper Dean 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 Upper Dean Lake

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

Lake Details

Surface area

249 acres

Shoreline

2.9 mi

Public access

Yes

Listed by Minnesota PCA

No bathymetric survey has been published for Upper Dean Lake, so its depth is not documented here.

Recreation & Access

Boat Landings

Yes

Public Access

Upper Dean LakePublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Stays via Stay22

Stays near Upper Dean Lake

Compare lakeside cabins, hotels, and vacation rentals near Upper Dean 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.

Top-rated places to stay near Upper Dean Lake

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Fishing Upper Dean Lake

→ Upper Dean Lake fishing regulations (limits, seasons, special rules)

EPA Impairment Status

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

Causes of impairment

MercuryNutrients (phosphorus, nitrogen)

Designated uses not supporting: Fish consumption, Recreation.

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

Source: EPA ATTAINS assessment unit MN18-0170-00 · Official waterbody report

Nearby Lakes in Crow Wing County

Olson Lake1 miView →Roger Lake14 ft clear1.8 miView →Dean Lake—View →Pickerel Lake2.2 miView →Mud Lake4 ft clear—View →Nelson Lake2.5 miView →

Frequently asked questions about Upper Dean Lake

Where is Upper Dean Lake?: Upper Dean 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 Upper Dean Lake?: Upper Dean Lake in Crow Wing County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Surface area: 249 acres.
Is Upper Dean Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Upper Dean Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Are there boat ramps on Upper Dean Lake?: Upper Dean Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Upper Dean Lake. Public access is listed as yes.
Can I fish at Upper Dean Lake?: Upper Dean Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Minnesota's fish and wildlife agency, so check its current regulations before you go.