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

Iowa Lake

Nobles County, Minnesota220 acresView map Directions

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

Area

220 acres

Surface area

Shoreline

4.9 mi

Measured length

Impaired · Nutrients (phosphorus, nitrogen)

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Iowa Lake in Nobles County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Surface area: 220 acres.

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Iowa Lake is a 220-acre lake in Nobles County, Minnesota.

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

Swimming conditions

No reading

Recreation use not supported

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

Whether Iowa 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 Iowa Lake

These are the measurements Minnesota PCA publishes for Iowa 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.

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

Lake Details

Surface area

220 acres

Shoreline

4.9 mi

No bathymetric survey has been published for Iowa Lake, so its depth is not documented here.

Stays via Stay22

Stays near Iowa Lake

Compare lakeside cabins, hotels, and vacation rentals near Iowa Lake in Nobles 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 Iowa Lake

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Fishing Iowa Lake

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

EPA Impairment Status

Iowa Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).

Causes of impairment

Nutrients (phosphorus, nitrogen)

Designated uses not supporting: Recreation.

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit MN32-0084-00 · Official waterbody report

Nearby Lakes in Nobles County

Indian Lake2.5 ft clear · Hypereutrophic2.3 miView →Ocheda Lake7.5 miView →Lake Bella—View →Bella Lake1 ft clear—View →Ocheda Lake1.6 ft clear · Hypereutrophic—View →Okabena Lake3.3 ft clear · Eutrophic—View →

Frequently asked questions about Iowa Lake

Where is Iowa Lake?: Iowa Lake is a lake in Nobles County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Iowa Lake?: Iowa Lake in Nobles County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Surface area: 220 acres.
Is Iowa Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Iowa Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.