Where is Koetter Lake?

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

How deep is Koetter Lake?

Koetter Lake has a maximum depth of 30.3 feet. The lake covers 160 acres.

Koetter Lake

Stearns County, Minnesota160 acresView map Directions

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

Max depth

30.3 ft

Bathymetric survey

Area

160 acres

Surface area

Shoreline

5.3 mi

Measured length

Impaired · Mercury
30 ft max depth

See the measurements Directions Where to stay

Koetter Lake in Stearns County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 30.3 ft. Surface area: 160 acres.

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Koetter Lake is a 160-acre lake in Stearns County, Minnesota with a maximum depth of 30 feet.

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

What Koetter Lake is good for

From access and monitoring records, not editorial picks.

Deep water30.3 ft surveyed max depth

Swimming conditions

No reading

Recreation use not supported

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

Whether Koetter 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 Koetter Lake

These are the measurements Minnesota PCA publishes for Koetter 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 Koetter Lake

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

Lake Details

Max depth

30.3 ft

Surface area

160 acres

Shoreline

5.3 mi

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

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Stays near Koetter Lake

Compare lakeside cabins, hotels, and vacation rentals near Koetter Lake in Stearns 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 Koetter Lake

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Fishing Koetter Lake

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

EPA Impairment Status

Koetter 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 MN73-0133-03 · Official waterbody report

Nearby Lakes in Stearns County

Cedar Island Lake3.5 ft clear · Eutrophic0.8 miView →Thein Lake10.5 ft clear0.9 miView →East Lake0.7 miView →Zumwalde Lake2.3 ft clear0.8 miView →Mud Lake1.3 miView →Horseshoe Lake4 ft clear · Eutrophic1.2 miView →

Frequently asked questions about Koetter Lake

Where is Koetter Lake?: Koetter Lake is a lake in Stearns County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Koetter Lake?: Koetter Lake in Stearns County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 30.3 ft. Surface area: 160 acres.
Is Koetter Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Koetter Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, nutrients (phosphorus, nitrogen). Check local advisories before you swim.
How deep is Koetter Lake?: Koetter Lake has a maximum depth of 30.3 feet. The lake covers 160 acres.