Where is Lightning Lake?

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

How deep is Lightning Lake?

Lightning Lake has a maximum depth of 11.5 feet. The lake covers 524 acres.

Are there boat ramps on Lightning Lake?

Lightning Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lightning Lake. Public access is listed as yes.

Can I fish at Lightning Lake?

Lightning Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Minnesota's fish and wildlife agency, so check its current regulations before you go.

Lightning Lake

Grant County, Minnesota524 acresView map Directions

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

Max depth

11.5 ft

Bathymetric survey

Area

524 acres

Surface area

Shoreline

4.8 mi

Measured length

Impaired · Nutrients (phosphorus, nitrogen)
12 ft max depth
Public access

See the measurements Directions Where to stay

Lightning Lake in Grant County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 11.5 ft. Surface area: 524 acres.

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Lightning Lake is a 524-acre lake in Grant County, Minnesota with a maximum depth of 12 feet. Limited fish-species data available. Public access is available with 1 public boat landing.

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

What Lightning Lake is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp

Swimming conditions

No reading

Recreation use not supported

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

Whether Lightning 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 Lightning Lake

These are the measurements Minnesota PCA publishes for Lightning 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 Lightning Lake

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

Lake Details

Max depth

11.5 ft

Surface area

524 acres

Shoreline

4.8 mi

Public access

Yes

Listed by Minnesota PCA

Recreation & Access

Boat Landings

Yes

Public Access

Lightning LakePublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

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Stays near Lightning Lake

Compare lakeside cabins, hotels, and vacation rentals near Lightning Lake in Grant 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 Lightning Lake

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

EPA Impairment Status

Lightning 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 MN26-0282-00 · Official waterbody report

Nearby Lakes in Grant County

Pletan Lake1.6 miView →Foss Lake1.4 miView →Stony Brook Lake1.8 miView →Engralson Lake2.1 miView →Ash Lake3 miView →Stony Lake3.2 miView →

Frequently asked questions about Lightning Lake

Where is Lightning Lake?: Lightning Lake is a lake in Grant County, Minnesota. Its water-quality measurements are published by Minnesota PCA and shown on this page as reported.
What is the water quality of Lightning Lake?: Lightning Lake in Grant County, Minnesota has water-quality measurements published by Minnesota PCA, shown here as reported. Maximum depth: 11.5 ft. Surface area: 524 acres.
Is Lightning Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Lightning Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
How deep is Lightning Lake?: Lightning Lake has a maximum depth of 11.5 feet. The lake covers 524 acres.
Are there boat ramps on Lightning Lake?: Lightning Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lightning Lake. Public access is listed as yes.
Can I fish at Lightning Lake?: Lightning Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Minnesota's fish and wildlife agency, so check its current regulations before you go.