Where is Frontenac Lake?

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

How deep is Frontenac Lake?

Frontenac Lake has a maximum depth of 19.7 feet. The lake covers 204 acres.

Are there boat ramps on Frontenac Lake?

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

Can I fish at Frontenac Lake?

Frontenac 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.

Frontenac Lake

Hubbard County, Minnesota204 acresView map Directions

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

Max depth

19.7 ft

Bathymetric survey

Area

204 acres

Surface area

Shoreline

3.1 mi

Measured length

Impaired · Mercury
20 ft max depth
Public access

See the measurements Directions Where to stay

Frontenac Lake in Hubbard County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 19.7 ft. Surface area: 204 acres.

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Frontenac Lake is a 204-acre lake in Hubbard County, Minnesota with a maximum depth of 20 feet. 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 Frontenac Lake is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp

Swimming conditions

No reading

Not rated

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

Whether Frontenac 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 Frontenac Lake

These are the measurements Minnesota PCA publishes for Frontenac 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 Frontenac Lake

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

Lake Details

Max depth

19.7 ft

Surface area

204 acres

Shoreline

3.1 mi

Public access

Yes

Listed by Minnesota PCA

Recreation & Access

Boat Landings

Yes

Public Access

Frontenac LakePublic

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

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Stays near Frontenac Lake

Compare lakeside cabins, hotels, and vacation rentals near Frontenac Lake in Hubbard 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 Frontenac Lake

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Fishing Frontenac Lake

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

EPA Impairment Status

Frontenac 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 MN29-0241-00 · Official waterbody report

Nearby Lakes in Hubbard County

Spearhead Lake15 ft clear2.3 miView →Newman Lake17.1 ft clear · Oligotrophic3.4 miView →Evergreen Lake3.4 miView →Hennepin Lake10 ft clear · Mesotrophic2.8 miView →Hirts Lake4.3 miView →Lake Emma4.2 miView →

Frequently asked questions about Frontenac Lake

Where is Frontenac Lake?: Frontenac Lake is a lake in Hubbard County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Frontenac Lake?: Frontenac Lake in Hubbard County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 19.7 ft. Surface area: 204 acres.
Is Frontenac Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Frontenac Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
How deep is Frontenac Lake?: Frontenac Lake has a maximum depth of 19.7 feet. The lake covers 204 acres.
Are there boat ramps on Frontenac Lake?: Frontenac Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Frontenac Lake. Public access is listed as yes.
Can I fish at Frontenac Lake?: Frontenac 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.