Skip to main content
LakeQuality

Arnolds Lake

Cottonwood County, Minnesota45 acresView mapDirections

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

Max depth
13 ft
Bathymetric survey
Area
45 acres
Surface area
Shoreline
1 mi
Measured length
  • 13 ft max depth

Arnolds Lake in Cottonwood County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 13 ft. Surface area: 45 acres.

Loading map…

Arnolds Lake is a 45-acre lake in Cottonwood County, Minnesota with a maximum depth of 13 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. Check local advisories before you swim.

Whether Arnolds 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 Mankato →

Get alerts for Arnolds Lake →

Water quality measurements for Arnolds Lake

These are the measurements Minnesota PCA publishes for Arnolds 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 Arnolds Lake

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

Lake Details

Max depth

13 ft

Surface area

45 acres

Shoreline

1 mi

Stays via Stay22

Stays near Arnolds Lake

Compare lakeside cabins, hotels, and vacation rentals near Arnolds Lake in Cottonwood 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 Arnolds 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 Arnolds Lake’s readings

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


Or email

Fishing Arnolds Lake

Nearby Lakes in Cottonwood County

Frequently asked questions about Arnolds Lake

Where is Arnolds Lake?

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

What is the water quality of Arnolds Lake?

Arnolds Lake in Cottonwood County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 13 ft. Surface area: 45 acres.

Measurements on this page ↑

Is Arnolds Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

How deep is Arnolds Lake?

Arnolds Lake has a maximum depth of 13 feet. The lake covers 45 acres.

State Parks Near Arnolds Lake

Where this data comes from

Measurements for Arnolds Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.

Other records on this page

Lake details from Minnesota DNR LakeFinder