Where is Forsythe Lake?

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

How deep is Forsythe Lake?

Forsythe Lake has a maximum depth of 9.8 feet. The lake covers 64 acres.

Forsythe Lake

Itasca County, Minnesota64 acresView map Directions

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

Max depth

9.8 ft

Bathymetric survey

Area

64 acres

Surface area

Shoreline

1.4 mi

Measured length

Impaired · Mercury
10 ft max depth

See the measurements Directions Where to stay

Forsythe Lake in Itasca County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 9.8 ft. Surface area: 64 acres.

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Forsythe Lake is a 64-acre lake in Itasca 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. Forsythe Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.

Whether Forsythe 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 Forsythe Lake

These are the measurements Minnesota PCA publishes for Forsythe 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 Forsythe Lake

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

Lake Details

Max depth

9.8 ft

Surface area

64 acres

Shoreline

1.4 mi

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Stays near Forsythe Lake

Compare lakeside cabins, hotels, and vacation rentals near Forsythe Lake in Itasca 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.

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Fishing Forsythe Lake

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

EPA Impairment Status

Forsythe 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 MN31-0560-00 · Official waterbody report

Nearby Lakes in Itasca County

Little Bass Lake17.7 ft clear1.2 miView →Little Jay Gould Lake21.5 ft clear · Oligotrophic1.6 miView →Jay Gould Lake13 ft clear · Mesotrophic2 miView →Nagel Lake1.9 miView →Paper Mill Reservoir2.5 miView →Shoal Lake8 ft clear2.6 miView →

Frequently asked questions about Forsythe Lake

Where is Forsythe Lake?: Forsythe Lake is a lake in Itasca County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Forsythe Lake?: Forsythe Lake in Itasca County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 9.8 ft. Surface area: 64 acres.
Is Forsythe Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Forsythe Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
How deep is Forsythe Lake?: Forsythe Lake has a maximum depth of 9.8 feet. The lake covers 64 acres.