Where is Pierce Lake?

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

Pierce Lake

Martin County, Minnesota429 acresView map Directions

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

Area

429 acres

Surface area

Shoreline

3.6 mi

Measured length

Impaired · Nutrients (phosphorus, nitrogen)

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Pierce Lake in Martin County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Surface area: 429 acres.

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Pierce Lake is a 429-acre lake in Martin 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. Pierce Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.

Whether Pierce 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 Pierce Lake

These are the measurements Minnesota PCA publishes for Pierce 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

429 acres

Shoreline

3.6 mi

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

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Stays near Pierce Lake

Compare lakeside cabins, hotels, and vacation rentals near Pierce Lake in Martin 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 Pierce Lake

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

EPA Impairment Status

Pierce 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 MN46-0076-00 · Official waterbody report

Nearby Lakes in Martin County

Bright Lake1 ft clear · Hypereutrophic3.2 miView →Clayton Lake4.3 miView →Little Tuttle Lake1 ft clear5 miView →Mud Lake1.6 ft clear · Hypereutrophic4 miView →Willmert Lake3.3 ft clear · Eutrophic4.4 miView →Amber Lake2 ft clear · Hypereutrophic4.2 miView →

Frequently asked questions about Pierce Lake

Where is Pierce Lake?: Pierce Lake is a lake in Martin County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Pierce Lake?: Pierce Lake in Martin County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Surface area: 429 acres.
Is Pierce Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Pierce Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.