Where is Harriet Lake?

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

How deep is Harriet Lake?

Harriet Lake has a maximum depth of 34.9 feet. The lake covers 259 acres.

Harriet Lake

Lake County, Minnesota259 acresView map Directions

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

Max depth

34.9 ft

Bathymetric survey

Area

259 acres

Surface area

Shoreline

5.4 mi

Measured length

Impaired · Mercury
35 ft max depth

See the measurements Directions Where to stay

Harriet Lake in Lake County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 34.9 ft. Surface area: 259 acres.

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Harriet Lake is a 259-acre lake in Lake County, Minnesota with a maximum depth of 35 feet.

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

What Harriet Lake is good for

From access and monitoring records, not editorial picks.

Deep water34.9 ft surveyed max depth

Swimming conditions

No reading

Not rated

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

Whether Harriet 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 Harriet Lake

These are the measurements Minnesota PCA publishes for Harriet 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 Harriet Lake

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

Lake Details

Max depth

34.9 ft

Surface area

259 acres

Shoreline

5.4 mi

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

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Stays near Harriet Lake

Compare lakeside cabins, hotels, and vacation rentals near Harriet Lake in Lake 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 Harriet Lake

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Fishing Harriet Lake

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

EPA Impairment Status

Harriet 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 MN38-0048-00 · Official waterbody report

Nearby Lakes in Lake County

Sister Lake1 miView →Fulton Lake1.3 miView →Wanless Lake5.4 ft clear1.1 miView →Dam Five Lake1.7 miView →Scarp Lake2 miView →Canal Lake2 miView →

Frequently asked questions about Harriet Lake

Where is Harriet Lake?: Harriet Lake is a lake in Lake County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Harriet Lake?: Harriet Lake in Lake County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 34.9 ft. Surface area: 259 acres.
Is Harriet Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Harriet Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury. Check local advisories before you swim.
How deep is Harriet Lake?: Harriet Lake has a maximum depth of 34.9 feet. The lake covers 259 acres.