Where is Lower Prior Lake?

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

How deep is Lower Prior Lake?

Lower Prior Lake has a maximum depth of 54.9 feet. The lake covers 941 acres.

Lower Prior Lake

Scott County, Minnesota941 acresView map Directions

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

Max depth

54.9 ft

Bathymetric survey

Area

941 acres

Surface area

Shoreline

14.4 mi

Measured length

Impaired · Impaired biota (cause unknown)
55 ft max depth

See the measurements Directions Where to stay

Lower Prior Lake in Scott County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 54.9 ft. Surface area: 941 acres.

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Lower Prior Lake is a 941-acre lake in Scott County, Minnesota with a maximum depth of 55 feet.

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

What Lower Prior Lake is good for

From access and monitoring records, not editorial picks.

Deep water54.9 ft surveyed max depth

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Lower Prior Lake is listed impaired under Clean Water Act §303(d) (IR 5) for impaired biota (cause unknown), mercury. Check local advisories before you swim.

Whether Lower Prior 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 Lower Prior Lake

These are the measurements Minnesota PCA publishes for Lower Prior 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 Lower Prior Lake

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

Lake Details

Max depth

54.9 ft

Surface area

941 acres

Shoreline

14.4 mi

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

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Stays near Lower Prior Lake

Compare lakeside cabins, hotels, and vacation rentals near Lower Prior Lake in Scott 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 Lower Prior Lake

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Fishing Lower Prior Lake

→ Lower Prior Lake fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Lower Prior Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).

Causes of impairment

Impaired biota (cause unknown)Mercury

Designated uses not supporting: Aquatic life, Fish consumption.

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

Source: EPA ATTAINS assessment unit MN70-0026-00 · Official waterbody report

Nearby Lakes in Scott County

Lower Prior Lake10 ft clear · Mesotrophic0.3 miView →Pike Lake2.3 ft clear · Eutrophic1.4 miView →Jeffers Pond1.2 miView →Cate'S Lake5.6 ft clear · Mesotrophic1.5 miView →Upper Prior Lake5 ft clear · Eutrophic1.9 miView →Crystal Lake6.8 ft clear · Eutrophic—View →

Frequently asked questions about Lower Prior Lake

Where is Lower Prior Lake?: Lower Prior Lake is a lake in Scott County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Lower Prior Lake?: Lower Prior Lake in Scott County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 54.9 ft. Surface area: 941 acres.
Is Lower Prior Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Lower Prior Lake is listed impaired under Clean Water Act §303(d) (IR 5) for impaired biota (cause unknown), mercury. Check local advisories before you swim.
How deep is Lower Prior Lake?: Lower Prior Lake has a maximum depth of 54.9 feet. The lake covers 941 acres.